CHAPTER 111



CHAPTER 111. TEXAS ESSENTIAL KNOWLEDGE AND SKILLS (TEKS) FOR MATHEMATICS

§111.22. Mathematics, Grade 6

(b) Knowledge and Skills

| |

|(6.1) Number, operation, and quantitative reasoning. The student represents and uses rational numbers in a variety of equivalent forms. The |

|student is expected to: |

|TEKS: |MATH FOR THE WORLD OF WORK |

| | |

|(A) compare and order non-negative rational numbers; |Pages 266, 294 |

| | |

|(B) generate equivalent forms of rational numbers including whole |Examples on pages 12, 163, 187, 202, 260, 300, 301, 308-309 |

|numbers, fractions, and decimals; | |

| | |

|(C) use integers to represent real-life situations; |Throughout. Examples on pages 8-11, 24-28, 45-48, 66, 82-85, 118-120,|

| |146-149, 162-165, 170-174 |

| | |

|(D) write prime factorizations using exponents; and |Page 275 |

| | |

|(E) identify factors and multiples including common factors and common|Pages 288, 289, 291 |

|multiples. | |

| |

|(6.2) Number, operation, and quantitative reasoning. The student adds, subtracts, multiplies, and divides to solve problems and justify |

|solutions. The student is expected to: |

|TEKS: |MATH FOR THE WORLD OF WORK |

| | |

|(A) Model addition and subtraction situations involving fractions with|Pages 12, 259, 260 |

|objects, pictures, words, and numbers; | |

(TEKS Grade 6 Math, Standard 6.2/Math for the World of Work, Cont.)

|TEKS: |MATH FOR THE WORLD OF WORK |

| | |

|(B) use addition and subtraction to solve problems involving fractions|Examples on pages 11, 12, 13, 15, 16, 19, 34-35, 198, 259, 260 |

|and decimals; | |

| | |

|(C) use multiplication and division of whole numbers to solve problems|Examples on pages 43-44, 91, 106-109, 118-120, 121-124, 125-128, |

|including situations involving equivalent ratios and rates; and |133-135, 184 |

| | |

|(D) estimate and round to approximate reasonable results and to solve |Examples on pages 34, 40, 46, 58-59, 135, 148, 188-189, 196, 200, 230,|

|problems where exact answers are not required. |251, 265 |

| |

|(6.3) Patterns, relationships, and algebraic thinking. The student solves problems involving proportional relationships. The student is |

|expected to: |

|TEKS: |MATH FOR THE WORLD OF WORK |

| | |

|(A) use ratios to describe proportional situations; |Pages 43-44 |

| | |

|(B) represent ratios and percents with concrete models, fractions, and|Examples on pages 17, 24, 43-44, 87, 142, 206, 216 |

|decimals; and | |

| | |

|(C) use ratios to make predictions in proportional situations. |Pages 43-44, 184 |

| |

|(6.4) Patterns, relationships, and algebraic thinking. The student uses letters as variables in mathematical expressions to describe how one |

|quantity changes when a related quantity changes. The student is expected to: |

|TEKS: |MATH FOR THE WORLD OF WORK |

| | |

|(A) use tables and symbols to represent and describe proportional and |Pages 146-147, 184, 200 |

|other relationships involving conversions, sequences, perimeter, area,| |

|etc.; and | |

(TEKS Grade 6 Math, Standard 6.4/Math for the World of Work, Cont.)

|TEKS: |MATH FOR THE WORLD OF WORK |

| | |

|(B) generate formulas to represent relationships involving perimeter, |Pages 67, 146-147, 182, 200, 202, 261 |

|area, volume of a rectangular prism, etc., from a table of date. | |

| |

|(6.5) Patterns, relationships, and algebraic thinking. The students uses letters to represent an unknown in an equation. |

|TEKS: |MATH FOR THE WORLD OF WORK |

| | |

|The student is expected to formulate an equation from a problem |Letters are used for unknown quantities in formulas throughout. See |

|situation. |pages 27, 40, 67, 118-124, 128, 131, 168, 170, 182, 200, 202, 261 |

| |

|(6.6) Geometry and spatial reasoning. The student uses coordinate geometry to identify location in two dimensions. The student is expected |

|to: |

|TEKS: |MATH FOR THE WORLD OF WORK |

| | |

|(A) use angle measurements to classify angles as acute, obtuse, or |Not applicable |

|right; | |

|(B) identify relationships involving angles in triangles and | |

|quadrilaterals; and | |

|(C) describe the relationship between radius, diameter, and | |

|circumference of a circle. | |

| |

|(6.7) Geometry and spatial reasoning. The students uses coordinate geometry to identify location in two dimensions. |

|TEKS: |MATH FOR THE WORLD OF WORK |

| | |

|The student is expected to locate and name points on a coordinate |Pages 159-161 |

|plane using ordered pairs of non-negative rational numbers. | |

(TEKS Grade 6 Math/Math for the World of Work, Cont.)

| |

|(6.8) Measurement. The student solves application problems involving estimation and measurement of length, area, time, temperature, capacity,|

|weight, and angles. The student is expected to: |

|TEKS: |MATH FOR THE WORLD OF WORK |

| | |

|(A) estimate measurements and evaluate the reasonableness of results; |Pages 200, 202, 260 |

| | |

| | |

|(B) select and use appropriate units, tools, or formulas to measure |Pages 200, 202, 260 |

|and to solve problems involving length (including perimeter and | |

|circumference), area, time, temperature, capacity, and weight; | |

| | |

|(C) measure angles; and |Not applicable |

| | |

|(D) convert measures within the same measurement system (customary and|Pages 200, 202, 260, 312-313 |

|metric) based on relationships between units. | |

| |

|(6.9) Probability and statistics. The student uses experimental and theoretical probability to make predictions. The student is expected to:|

|TEKS: |MATH FOR THE WORLD OF WORK |

| | |

|(A) construct sample spaces using lists, tree diagrams, and |Not applicable |

|combinations; and | |

|(B) find the probabilities of la simple event and its complement and | |

|describe the relationship between the two. | |

(TEKS Grade 6 Math/Math for the World of Work, Cont.)

| |

|(6.10) Probability and statistics. The student uses statistical representations to analyze data. The student is expected to: |

|TEKS: |MATH FOR THE WORLD OF WORK |

| | |

|(A) draw and compare different graphical representations of the same |Pages 70, 92, 94, 97, 159, 161, 162 |

|data; | |

| | |

|(B) use median, mode, and range to describe data; |Page 277 |

| | |

|(C) sketch circle graphs to display data; and |Page 70 |

| | |

|(D) solve problems by collecting, organizing, displaying, and |Pages 70, 92, 94, 97, 159, 161, 162. In addition, see tables |

|interpreting data. |throughout; examples on pages 62, 72, 90. |

| |

|(6.11) Underlying processes and mathematical tools. The student applies Grade 6 mathematics to solve problems connected to everyday |

|experiences, investigations in other disciplines, and activities in and outside school. The student is expected to: |

|TEKS: |MATH FOR THE WORLD OF WORK |

| | |

|(A) identify and apply mathematics to everyday experiences, to |AGS Math for the World of Work teaches students math skills needed in |

|activities in and outside of school, with other disciplines, and with |the workforce. Throughout the text students are engaged in problem |

|other mathematical topics; |solving and application activities that relate mathematical concepts |

| |directly to common workplace activities. See examples on pages 72, |

| |73, 83, 93, 95,102, 169, 174, 175. |

| | |

|(B) use a problem-solving model that incorporates understanding the |Problem solving is modeled is modeled in “Example” boxes in each |

|problem, making a plan, carrying out the plan, and evaluating the |lesson. These follow the steps for problem solving by demonstrating |

|solution for reasonableness; |understanding, planning, execution, and evaluation. See examples on |

| |pages 16, 20, 34, 42, 56, 78, 82,86, 105, 119. |

(TEKS Grade 6 Math, Standard 6.11/Math for the World of Work, Cont.)

|TEKS: |MATH FOR THE WORLD OF WORK |

| | |

|(C) select or develop an appropriate problem-solving strategy from a |A variety of problem-solving methods is used in the Student Text. See|

|variety of different types, including drawing a picture, looking for a|examples on pages 119, 135, 136, 152, 158. In addition, the Teacher’s|

|pattern, systematic guessing and checking, acting it out, making a |Edition presents many other types of methods in “Learning Styles” |

|table, working a simpler problem, or working backwards to solve a |boxes in the marginal notes. See examples on TE pages 43, 48, 56, 72,|

|problem; and |81, 94, 104, 111. |

| | |

|(D) select tools such as real objects, manipulatives, paper/pencil, |(Paper/pencil and computers/calculators are the primary tools used in |

|and technology or techniques such as mental math, estimation, and |the Student Text. For computer/calculator exercises, see “Technology |

|number sense to solve a problem. |Connection” exercises on pages 23, 48, 69, 87, 108, 123, 147, 164, |

| |181, 202, 219, 233, 262. The Teacher’s Edition has additional |

| |technology exercises (Examples on TE pages 39, 48, 55, 61, 68, 84). |

| |(Techniques such as mental math, estimation, and number sense are |

| |encouraged throughout the Student Text (Examples on pages 9, 20, 34, |

| |135, 196, 251, 259) and the Teacher’s Edition (Examples on TE pages |

| |26, 35, 64, 88, 108, 128, 165). |

| |

|(6.12) Underlying processes and mathematical tools. The student communicates about Grade 6 mathematics through informal and mathematical |

|language, representations, and models. The student is expected to: |

|TEKS: |MATH FOR THE WORLD OF WORK |

| | |

|(A) communicate mathematical ideas using language, efficient tools, |See Exercises and Problem Solving assignments throughout. |

|appropriate units, and graphical, numerical, physical, or algebraic | |

|mathematical models; and | |

| | |

|(B) evaluate the effectiveness of different representations to |Different representations, including formulas, charts, graphs, and so |

|communicate ideas. |forth, are used throughout. |

(TEKS Grade 6 Math/Math for the World of Work, Cont.)

| |

|(6.13) Underlying processes and mathematical tools. The student uses logical reasoning to make conjectures and verify conclusions. The |

|student is expected to: |

|TEKS: |MATH FOR THE WORLD OF WORK |

| | |

|(A) make conjectures from patterns or sets of examples and |Not applicable |

|nonexamples; and | |

|(B) validate his/her conclusions using mathematical properties and | |

|relationships. | |

§111.23. Mathematics, Grade 7

(b) Knowledge and Skills

| |

|(7.1) Number, operation, and quantitative reasoning. The student represents and uses numbers in a variety of equivalent forms. The student |

|is expected to: |

|TEKS: |MATH FOR THE WORLD OF WORK |

| | |

|(A) compare and order integers and positive rational numbers; |Pages 266, 278, 294 |

| | |

|(B) convert between fractions, decimals, whole numbers, and percents |Examples on pages 12, 17, 24, 87, 142, 163, 187, 202, 206, 216, 260, |

|mentally, on paper, or with a calculator; and |300, 301, 308-309 |

| | |

|(C) represent squares and square roots using geometric models. |Not applicable |

(TEKS Grade 7 Math/Math for the World of Work, Cont.)

| |

|(7.2) Number, operation, and quantitative reasoning. The student adds, subtracts, multiplies, or divides to solve problems and justify |

|solutions. The student is expected to: |

|TEKS: |MATH FOR THE WORLD OF WORK |

| | |

|(A) represent multiplication and division situations involving |Examples on pages 58-61, 100, 118-120, 121-124, 133-136, 252-255 |

|fractions and decimals with concrete models, pictures, words, and | |

|numbers; | |

| | |

|(B) use addition, subtraction, multiplication, and division to solve |Examples on pages 27, 35-36, 61, 105, 112, 118-120, 121-124, 128, 135 |

|problems involving fractions and decimals; | |

| | |

|(C) use models to add, subtract, multiply, and divide integers and |Examples on pages 8, 11, 12, 66, 188, 198, 204, 216, 224, 230, 259, |

|connect the actions to algorithms; |260 |

| | |

|(D) use division to find unit rates and ratios in proportional |Examples on pages 43-44, 54-57, 91-92, 118-120, 135, 243 |

|relationships such as speed, density, price, recipes, and | |

|student-teacher ratio; | |

| | |

|(E) simplify numerical expressions involving order of operations and |Not applicable |

|exponents; | |

| | |

|(F) select and use appropriate operations to solve problems and |See Exercises and Problem Solving assignments throughout. Examples on|

|justify the selections; and |pages 47, 57, 59, 91, 93, 120, 123-124, 174 |

| | |

|(G) determine the reasonableness of a solution to a problem. |Students can determine reasonableness in many problems throughout by |

| |using estimation or by examining the answer in the context of the |

| |problem. |

(TEKS Grade 7 Math/Math for the World of Work, Cont.)

| |

|(7.3) Patterns, relationships, and algebraic thinking. The student solves problems involving proportional relationships. The student is |

|expected to: |

|TEKS: |MATH FOR THE WORLD OF WORK |

| | |

|(A) estimate and find solutions to application problems involving |Examples on pages 24-28, 34, 36, 37, 45, 60-61, 82-85, 118-120, |

|percent; and |121-124, 125-128 |

| | |

|(B) estimate and find solutions to application problems involving |Examples on pages 8-11, 43-44, 158-161, 184, 200 |

|proportional relationships such as similarity, scaling, unit costs, | |

|and related measurement units. | |

| |

|(7.4) Patterns, relationships, and algebraic thinking. The student represents a relationship in numerical, geometric, verbal, and symbolic |

|form. The student is expected to: |

|TEKS: |MATH FOR THE WORLD OF WORK |

| | |

|(A) generate formulas involving conversions, perimeter, area, |Pages 146-147, 200, 202, 260, 261, 310 |

|circumference, volume, and scaling; | |

| | |

|(B) graph data to demonstrate relationships in familiar concepts such |Examples on pages 94, 146-147, 159, 161 |

|as conversions, perimeter, area, circumference, volume, and scaling; | |

|and | |

| | |

|(C) describe the relationship between the terms in a sequence and |Not applicable |

|their positions in the sequence. | |

(TEKS Grade 7 Math/Math for the World of Work, Cont.)

| |

|(7.5) Patterns, relationships, and algebraic thinking. The student uses equations to solve problems. The student is expected to: |

|TEKS: |MATH FOR THE WORLD OF WORK |

| | |

|(A) use concrete models to solve equations and use symbols to record |See Exercises, Problem Solving, and Application assignments |

|the actions; and |throughout. |

| | |

|(B) formulate a possible problem situation when given a simple |Not applicable |

|equation. | |

| |

|(7.6) Geometry and spatial reasoning. The student compares and classifies shapes and solids using geometric vocabulary and properties. The |

|student is expected to: |

|TEKS: |MATH FOR THE WORLD OF WORK |

| | |

|(A) use angle measurements to classify pairs of angles as |Not applicable |

|complementary or supplementary; | |

|(B) use properties to classify shapes including triangles, | |

|quadrilaterals, pentagons, and circles; | |

|(C) use properties to classify solids, including pyramids, cones, | |

|prisms, and cylinders; and | |

|(D) use critical attributes to define similarity. | |

| |

|(7.7) Geometry and spatial reasoning. The student uses coordinate geometry to describe location on a plane. The student is expected to: |

|TEKS: |MATH FOR THE WORLD OF WORK |

| | |

|(A) locate and name points on a coordinate plane using ordered pairs |Pages 159-161 |

|of integers; and | |

|(B) graph translations on a coordinate plane. | |

(TEKS Grade 7 Math/Math for the World of Work, Cont.)

| |

|(7.8) Geometry and spatial reasoning. The student uses geometry to model and describe the physical world. The student is expected to: |

|TEKS: |MATH FOR THE WORLD OF WORK |

| | |

|(A) sketch a solid when given the top, side, and front views; |Not applicable |

|(B) make a net (two-dimensional models) of the surface area of a | |

|solid; and | |

|(C) use geometric concepts and properties to solve problems in fields | |

|such as art and architecture. | |

| |

|(7.9) Measurement. The student solves application problems involving estimation and measurement. |

|TEKS: |MATH FOR THE WORLD OF WORK |

| | |

|The student is expected to estimate measurements and solve application|Pages 200, 202, 260, 310 |

|problems involving length (including perimeter and circumference), | |

|area, and volume. | |

| |

|(7.10) Probability and statistics. The student recognizes that a physical or mathematical model can be used to describe the probability of |

|real-life events. The student is expected to: |

|TEKS: |MATH FOR THE WORLD OF WORK |

| | |

|(A) construct sample space for compound events (dependent and |Not applicable |

|independent); and | |

|(B) find the approximate probability of a compound event through | |

|experimentation. | |

(TEKS Grade 7 Math/Math for the World of Work, Cont.)

| |

|(7.11) Probability and statistics. The student understands that the way a set of data is displayed influences its interpretation. The |

|student is expected to: |

|TEKS: |MATH FOR THE WORLD OF WORK |

| | |

|(A) select and use an appropriate representation for presenting |Pages 70, 92, 94, 97, 159, 161, 162 |

|collected data and justify the selection; and | |

| | |

|(B) make inferences and convincing arguments based on an analysis of |Pages 70, 92, 94, 97, 159, 161, 162, 176 |

|given or collected data. | |

| |

|(7.12) Probability and statistics. The student uses measure of central tendency and range to describe a set of data. The student is expected|

|to: |

|TEKS: |MATH FOR THE WORLD OF WORK |

| | |

|(A) describe a set of data using mean, median, mode, and range; and |Not applicable |

|(B) choose among mean, median, mode or range to describe a set of data| |

|and justify the choice for a particular situation. | |

| |

|(7.13) Underlying processes and mathematical tools. The student applies Grade 7 mathematics to solve problems connected to everyday |

|experiences, investigations in other disciplines, and activities in and outside of school. The student is expected to: |

|TEKS: |MATH FOR THE WORLD OF WORK |

| | |

|(A) identify and apply mathematics to everyday experiences, to |AGS Math for the World of Work teaches students math skills needed in |

|activities in and outside of school, with other disciplines, and with |the workforce. Throughout the text students are engaged in problem |

|other mathematical topics; |solving and application activities that relate mathematical concepts |

| |directly to common workplace activities. See examples on pages 72, |

| |73, 83, 93, 95,102, 169, 174, 175. |

(TEKS Grade 7 Math, Standard 7.13/Math for the World of Work, Cont.)

|TEKS: |MATH FOR THE WORLD OF WORK |

| | |

|(B) use a problem-solving model that incorporates understanding the |Problem solving is modeled is modeled in “Example” boxes in each |

|problem, making a plan, carrying out the plan, and evaluating the |lesson. These follow the steps for problem solving by demonstrating |

|solution for reasonableness; |understanding, planning, execution, and evaluation. See examples on |

| |pages 16, 20, 34, 42, 56, 78, 82,86, 105, 119. |

| | |

|(C) select or develop an appropriate problem-solving strategy from a |A variety of problem-solving methods is used in the Student Text. See|

|variety of different types, including drawing a picture, looking for a|examples on pages 119, 135, 136, 152, 158. In addition, the Teacher’s|

|pattern, systematic guessing and checking, acting it out, making a |Edition presents many other types of methods in “Learning Styles” |

|table, working a simpler problem, or working backwards to solve a |boxes in the marginal notes. See examples on TE pages 43, 48, 56, 72,|

|problem; and |81, 94, 104, 111. |

| | |

|(D) select tools such as real objects, manipulatives, paper/pencil, |(Paper/pencil and computers/calculators are the primary tools used in |

|and technology or techniques such as mental math, estimation, and |the Student Text. For computer/calculator exercises, see “Technology |

|number sense to solve problems. |Connection” exercises on pages 23, 48, 69, 87, 108, 123, 147, 164, |

| |181, 202, 219, 233, 262. The Teacher’s Edition has additional |

| |technology exercises (Examples on TE pages 39, 48, 55, 61, 68, 84). |

| |(Techniques such as mental math, estimation, and number sense are |

| |encouraged throughout the Student Text (Examples on pages 9, 20, 34, |

| |135, 196, 251, 259) and the Teacher’s Edition (Examples on TE pages |

| |26, 35, 64, 88, 108, 128, 165). |

(TEKS Grade 7 Math/Math for the World of Work, Cont.)

| |

|(7.14) Underlying processes and mathematical tools. The student communicates about Grade 7 mathematics through informal and mathematical |

|language, representations, and models. The student is expected to: |

|TEKS: |MATH FOR THE WORLD OF WORK |

| | |

|(A) communicate mathematical ideas using language, efficient tools, |See Exercises and Problem Solving assignments throughout. |

|appropriate units, and graphical, numerical, physical, or algebraic | |

|mathematical models; and | |

| | |

|(B) evaluate the effectiveness of different representations to |Different representations, including formulas, charts, graphs, and so |

|communicate ideas. |forth, are used throughout. |

| |

|(7.15) Underlying processes and mathematical tools. The student uses logical reasoning to make conjectures and verify conclusions. The |

|student is expected to: |

|TEKS: |MATH FOR THE WORLD OF WORK |

| | |

|(A) make conjectures from patterns or sets of examples and |Not applicable |

|nonexamples; and | |

|(B) validate his/her conclusions using mathematical properties and | |

|relationships. | |

§111.24. Mathematics, Grade 8

(b) Knowledge and Skills

| |

|(8.1) Number, operation, and quantitative reasoning. The student understands that different forms of numbers are appropriate for different |

|situations. The student is expected to: |

|TEKS: |MATH FOR THE WORLD OF WORK |

| | |

|(A) compare and order rational numbers in various forms including |Pages 266, 278, 294 |

|integers, percents, and positive and negative fractions and decimals; | |

| | |

|(B) select and use appropriate forms of rational numbers to solve |Throughout. Examples on pages 60-61, 64-65, 118-120, 121-124, |

|real-life problems including those involving proportional |180-183, 184-187, 188-190 |

|relationships; | |

| | |

|(C) approximate (mentally and with calculators) the value of |Not applicable |

|irrational numbers as they arise from problem situations ((, √2); and | |

| | |

|(D) express numbers in scientific notation, including negative |Page 299 |

|exponents, in appropriate problem situations using a calculator. | |

| |

|(8.2) Number, operation, and quantitative reasoning. The student selects and uses appropriate operations to solve problems and justify |

|solutions. The student is expected to: |

|TEKS: |MATH FOR THE WORLD OF WORK |

| | |

|(A) select and use appropriate operations to solve problems and |See Exercises and Problem Solving assignments throughout. Examples on|

|justify the selections; |pages 47, 57, 59, 91, 93, 120, 123-124, 174 |

| | |

|(B) add, subtract, multiply, and divide rational numbers in problem |Examples on pages 27, 35-36, 61, 105, 112, 118-120, 121-124, 128, 135 |

|situations; | |

(TEKS Grade 8 Math, Standard 8.2/Math for the World of Work, Cont.)

|TEKS: |MATH FOR THE WORLD OF WORK |

| | |

|(C) evaluate a solution for reasonableness; and |Students can determine reasonableness in many problems throughout by |

| |using estimation or by examining the answer in the context of the |

| |problem. |

| | |

|(D) use multiplication by a constant factor (unit rate) to represent |Examples on pages 8-10, 16-19, 20-23, 24-28, 56-57, 158-161 |

|proportional relationships; for example, the arm span of a gibbon is | |

|about 1.4 times its height, a = 1.4h. | |

| |

|(8.3) Patterns, relationships, and algebraic thinking. The student identifies proportional relationships in problem situations and solves |

|problems. The student is expected to: |

|TEKS: |MATH FOR THE WORLD OF WORK |

| | |

|(A) compare and contrast proportional and non-proportional |Examples on pages 118-120, 121-124, 158-161 |

|relationships; and | |

| | |

|(B) estimate and find solutions to application problems involving |Examples on pages 8-11, 24-28, 43-44, 58-61, 158-161, 184, 200 |

|percents and proportional relationships such as similarity and rates. | |

| |

|(8.4) Patterns, relationships, and algebraic thinking. The student makes connections among various representations of a numerical |

|relationship. |

|TEKS: |MATH FOR THE WORLD OF WORK |

| | |

|The student is expected to generate a different representation given |Throughout the text, students are given equations that they use to |

|one representation of data such as a table, graph, equation, or verbal|fill in a graph or vice versa. See examples on pages 26, 28, 41, 46, |

|description. |47, 59, 83. In addition, students use graphs to generate equations or|

| |descriptions. See examples on pages 70, 94, 159, 161, 176 |

(TEKS Grade 8 Math/Math for the World of Work, Cont.)

| |

|(8.5) Patterns, relationships, and algebraic thinking. The student uses graphs, tables, and algebraic representations to make predictions and|

|solve problems. The student is expected to: |

|TEKS: |MATH FOR THE WORLD OF WORK |

| | |

|(A) estimate, find, and justify solutions to application problems |See Exercises, Problem Solving, and Application assignments |

|using appropriate tables, graphs, and algebraic equations; and |throughout. |

| | |

|(B) use an algebraic expression to find any term in a sequence. |Not applicable |

| |

|(8.6) Geometry and spatial reasoning. The student uses transformational geometry to develop spatial sense. The student is expected to: |

|TEKS: |MATH FOR THE WORLD OF WORK |

| | |

|(A) generate similar shapes using dilations including enlargements and|Not applicable |

|reductions; and | |

|(B) graph dilations, reflections, and translations on a coordinate | |

|plane. | |

| |

|(8.7) Geometry and spatial reasoning. The student uses geometry to model and describe the physical world. The student is expected to: |

|TEKS: |MATH FOR THE WORLD OF WORK |

| | |

|(A) draw solids from different perspectives; |Not applicable |

|(B) use geometric concepts and properties to solve problems in fields | |

|such as art and architecture; | |

|(C) use pictures or models to demonstrate the Pythagorean Theorem; and| |

|(D) locate and name points on a coordinate plane using ordered pairs | |

|of rational numbers. | |

(TEKS Grade 8 Math/Math for the World of Work, Cont.)

| |

|(8.8) Measurement. The student uses procedures to determine measures of solids. The student is expected to: |

|TEKS: |MATH FOR THE WORLD OF WORK |

| | |

|(A) find surface area of prisms and cylinders using concrete models |Not applicable |

|and nets (two-dimensional models); | |

|(B) connect models to formulas for volume of prisms, cylinders, | |

|pyramids, and cones; and | |

|(C) estimate answers and use formulas to solve application problems | |

|involving surface area and volume. | |

| |

|(8.9) Measurement. The student uses indirect measurement to solve problems. The student is expected to: |

|TEKS: |MATH FOR THE WORLD OF WORK |

| | |

|(A) use the Pythagorean Theorem to solve real-life problems; and |Not applicable |

|(B) use proportional relationships in similar shapes to find missing | |

|measurements. | |

| |

|(8.10) Measurement. The student describes how changes in dimensions affect linear, area, and volume measures. The student is expected to: |

|TEKS: |MATH FOR THE WORLD OF WORK |

| | |

|(A) describe the resulting effects on perimeter and area when |Not applicable |

|dimensions of a shape are changed proportionally; and | |

|(B) describe the resulting effect on volume when dimensions of a solid| |

|are changed proportionally. | |

(TEKS Grade 8 Math/Math for the World of Work, Cont.)

| |

|(8.11) Probability and statistics. The student applies concepts of theoretical and experimental probability to make predictions. The student|

|is expected to: |

|TEKS: |MATH FOR THE WORLD OF WORK |

| | |

|(A) find the probabilities of compound events (dependent and |Not applicable |

|independent); | |

|(B) use theoretical probabilities and experimental results to make | |

|predictions and decisions; and | |

|(C) select and use different models to simulate an event. | |

| |

|(8.12) Probability and statistics. The student uses statistical procedures to describe data. The student is expected to: |

|TEKS: |MATH FOR THE WORLD OF WORK |

| | |

|(A) select the appropriate measure of central tendency to describe a |Not applicable |

|set of data for a particular purpose; | |

|(B) draw conclusions and make predictions by analyzing trends in | |

|scatterplots; and | |

| | |

|(C) construct circle graphs, bar graphs, and histograms, with and |Pages 70, 93-94, 158-159, 160-161 |

|without technology. | |

| |

|(8.13) Probability and statistics. The student evaluates predictions and conclusions based on statistical data. The student is expected to: |

|TEKS: |MATH FOR THE WORLD OF WORK |

| | |

|(A) evaluate methods of sampling to determine validity of an inference|Not applicable |

|made from a set of data; and | |

|(B) recognize misuses of graphical or numerical information and | |

|evaluate predictions and conclusions based on data analysis. | |

(TEKS Grade 8 Math/Math for the World of Work, Cont.)

| |

|(8.14) Underlying processes and mathematical tools. The student applies Grade 8 mathematics to solve problems connected to everyday |

|experiences, investigations in other disciplines, and activities in and outside of school. The student is expected to: |

| | |

|(A) identify and apply mathematics to everyday experiences, to |AGS Math for the World of Work teaches students math skills needed in |

|activities in and outside of school, with other disciplines, and with |the workforce. Throughout the text students are engaged in problem |

|other mathematical topics; |solving and application activities that relate mathematical concepts |

| |directly to common workplace activities. See examples on pages 72, |

| |73, 83, 93, 95,102, 169, 174, 175. |

| | |

|(B) use a problem-solving model that incorporates understanding the |Problem solving is modeled is modeled in “Example” boxes in each |

|problem, making a plan, carrying out the plan, and evaluating the |lesson. These follow the steps for problem solving by demonstrating |

|solution for reasonableness; |understanding, planning, execution, and evaluation. See examples on |

| |pages 16, 20, 34, 42, 56, 78, 82,86, 105, 119. |

| | |

|(C) select or develop an appropriate problem-solving strategy from a |A variety of problem-solving methods is used in the Student Text. See|

|variety of different types, including drawing a picture, looking for a|examples on pages 119, 135, 136, 152, 158. In addition, the Teacher’s|

|pattern, systematic guessing and checking, acting it out, making a |Edition presents many other types of methods in “Learning Styles” |

|table, working a simpler problem, or working backwards to solve a |boxes in the marginal notes. See examples on TE pages 43, 48, 56, 72,|

|problem; and |81, 94, 104, 111. |

| | |

|(D) select tools such as real objects, manipulatives, paper/pencil, |(Paper/pencil and computers/calculators are the primary tools used in |

|and technology or techniques such as mental math, estimation, and |the Student Text. For computer/calculator exercises, see “Technology |

|number sense to solve problems. |Connection” exercises on pages 23, 48, 69, 87, 108, 123, 147, 164, |

| |181, 202, 219, 233, 262. The Teacher’s Edition has additional |

| |technology exercises (Examples on TE pages 39, 48, 55, 61, 68, 84). |

| |(Techniques such as mental math, estimation, and number sense are |

| |encouraged throughout the Student Text (Examples on pages 9, 20, 34, |

| |135, 196, 251, 259) and the Teacher’s Edition (Examples on TE pages |

| |26, 35, 64, 88, 108, 128, 165). |

(TEKS Grade 8 Math/Math for the World of Work, Cont.)

| |

|(8.14) Underlying processes and mathematical tools. The student communicates about Grade 7 mathematics through informal and mathematical |

|language, representations, and models. The student is expected to: |

|TEKS: |MATH FOR THE WORLD OF WORK |

| | |

|(A) communicate mathematical ideas using language, efficient tools, |See Exercises and Problem Solving assignments throughout. |

|appropriate units, and graphical, numerical, physical, or algebraic | |

|mathematical models; and | |

| | |

|(B) evaluate the effectiveness of different representations to |Different representations, including formulas, charts, graphs, and so |

|communicate ideas. |forth, are used throughout. |

| |

|(7.15) Underlying processes and mathematical tools. The student uses logical reasoning to make conjectures and verify conclusions. The |

|student is expected to: |

|TEKS: |MATH FOR THE WORLD OF WORK |

| | |

|(A) make conjectures from patterns or sets of examples and |Not applicable |

|nonexamples; and | |

|(B) validate his/her conclusions using mathematical properties and | |

|relationships. | |

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