PDF 2013 Math Framework, Grade 7 - Curriculum Frameworks (CA Dept ...
Grade-Seven Chapter
of the
Mathematics Framework
for California Public Schools: Kindergarten Through Grade Twelve
Adopted by the California State Board of Education, November 2013 Published by the California Department of Education Sacramento, 2015
8 Grade Seven
7
6
As students enter grade seven, they have an understanding of variables and how to apply properties of operations to write and solve simple one-step
equations. They are fluent in all positive rational number
operations. Students who are entering grade seven have been
5
introduced to ratio concepts and applications, concepts of
negative rational numbers, absolute value, and all four quad-
rants of the coordinate plane. They have a solid foundation for
4
understanding area, surface area, and volume of geometric
figures and have been introduced to statistical variability and
distributions (adapted from Charles A. Dana Center 2012).
3
Critical Areas of Instruction
In grade seven, instructional time should focus on four
critical areas: (1) developing understanding of and applying
2
proportional relationships, including percentages; (2) develop-
ing understanding of operations with rational numbers and
working with expressions and linear equations; (3) solving
1
problems that involve scale drawings and informal geometric
constructions and working with two- and three-dimensional
shapes to solve problems involving area, surface area, and
K
volume; and (4) drawing inferences about populations based on samples (National Governors Association Center for Best
Practices, Council of Chief State School Officers 2010n).
Students also work toward fluently solving equations of the
form
and
.
California Mathematics Framework
Grade Seven 327
Standards for Mathematical Content
The Standards for Mathematical Content emphasize key content, skills, and practices at each grade level and support three major principles: ? Focus--Instruction is focused on grade-level standards. ? Coherence--Instruction should be attentive to learning across grades and to linking major
topics within grades. ? Rigor--Instruction should develop conceptual understanding, procedural skill and fluency,
and application.
Grade-level examples of focus, coherence, and rigor are indicated throughout the chapter.
The standards do not give equal emphasis to all content for a particular grade level. Cluster headings can be viewed as the most effective way to communicate the focus and coherence of the standards. Some clusters of standards require a greater instructional emphasis than others based on the depth of the ideas, the time needed to master those clusters, and their importance to future mathematics or the later demands of preparing for college and careers.
Table 7-1 highlights the content emphases at the cluster level for the grade-seven standards. The bulk of instructional time should be given to "Major" clusters and the standards within them, which are indicated throughout the text by a triangle symbol ( ). However, standards in the "Additional/Supporting" clusters should not be neglected; to do so would result in gaps in students' learning, including skills and understandings they may need in later grades. Instruction should reinforce topics in major clusters by using topics in the additional/supporting clusters and including problems and activities that support natural connections between clusters.
Teachers and administrators alike should note that the standards are not topics to be checked off after being covered in isolated units of instruction; rather, they provide content to be developed throughout the school year through rich instructional experiences presented in a coherent manner (adapted from Partnership for Assessment of Readiness for College and Careers [PARCC] 2012).
Table 7-1. Grade Seven Cluster-Level Emphases
Ratios and Proportional Relationships
7.RP
Major Clusters
? Analyze proportional relationships and use them to solve real-world and mathematical problems. (7.RP.1?3 )
The Number System
7.NS
Major Clusters
? Apply and extend previous understandings of operations with fractions to add, subtract, multiply, and divide rational numbers. (7.NS.1?3 )
Expressions and Equations
7.EE
Major Clusters
? Use properties of operations to generate equivalent expressions. (7.EE.1?2 ) ? Solve real-life and mathematical problems using numerical and algebraic expressions and equations.
(7.EE.3?4 )
Geometry
7.G
Additional/Supporting Clusters
? Draw, construct, and describe geometrical figures and describe the relationships between them. (7.G.1?3)
? Solve real-life and mathematical problems involving angle measure, area, surface area, and volume. (7.G.4?6)
Statistics and Probability
7.SP
Additional/Supporting Clusters
? Use random sampling to draw inferences about a population.1 (7.SP.1?2) ? Draw informal comparative inferences about two populations.2 (7.SP.3?4) ? Investigate chance processes and develop, use, and evaluate probability models. (7.SP.5?8)
Explanations of Major and Additional/Supporting Cluster-Level Emphases
Major Clusters ( ) -- Areas of intensive focus where students need fluent understanding and application of the core concepts. These clusters require greater emphasis than others based on the depth of the ideas, the time needed to master them, and their importance to future mathematics or the demands of college and career readiness.
Additional Clusters -- Expose students to other subjects; may not connect tightly or explicitly to the major work of the grade.
Supporting Clusters -- Designed to support and strengthen areas of major emphasis.
Note of caution: Neglecting material, whether it is found in the major or additional/supporting clusters, will leave gaps in students' skills and understanding and will leave students unprepared for the challenges they face in later grades.
Adapted from Smarter Balanced Assessment Consortium 2012b, 87.1
1. The standards in this cluster represent opportunities to apply percentages and proportional reasoning. In order to make inferences about a population, one needs to apply such reasoning to the sample and the entire population.
2. Probability models draw on proportional reasoning and should be connected to the major work in those standards.
California Mathematics Framework
Grade Seven 329
Connecting Mathematical Practices and Content
The Standards for Mathematical Practice (MP) are developed throughout each grade and, together with the content standards, prescribe that students experience mathematics as a rigorous, coherent, useful, and logical subject. The MP standards represent a picture of what it looks like for students to understand and do mathematics in the classroom and should be integrated into every mathematics lesson for all students.
Although the description of the MP standards remains the same at all grade levels, the way these standards look as students engage with and master new and more advanced mathematical ideas does change. Table 7-2 presents examples of how the MP standards may be integrated into tasks appropriate for students in grade seven. (Refer to the Overview of the Standards Chapters for a complete description of the MP standards.)
Table 7-2. Standards for Mathematical Practice--Explanation and Examples for Grade Seven
Standards for Mathematical Practice
Explanation and Examples
MP.1
Make sense of problems and persevere in solving them.
In grade seven, students solve problems involving ratios and rates and discuss how they solved them. Students solve real-world problems through the application of algebraic and geometric concepts. They seek the meaning of a problem and look for efficient ways to represent and solve it. They may check their thinking by asking themselves "Does this make sense?" or "Can I solve the problem in a different way?" When students compare arithmetic and algebraic solutions to the same problem (7.EE.4a ), they identify correspondences between different approaches.
MP.2
Reason abstractly and quantitatively.
Students represent a wide variety of real-world contexts through the use of real numbers and variables in mathematical expressions, equations, and inequalities. Students contextualize to understand the meaning of the number or variable as related to the problem and decontextualize to manipulate symbolic representations by applying properties of operations.
MP.3
Construct viable arguments and critique the reasoning of others.
Students construct arguments with verbal or written explanations accompanied by expressions, equations, inequalities, models, graphs, and tables. They further refine their mathematical communication skills through mathematical discussions in which they critically evaluate their own thinking and the thinking of other students. For example, as students notice when geometric conditions determine a unique triangle, more than one triangle, or no triangle (7.G.2), they have an opportunity to construct viable arguments and critique the reasoning of others. Students should be encouraged to answer questions such as these: "How did you get that?" "Why is that true?" "Does that always work?"
MP.4
Model with mathematics.
Seventh-grade students model real-world situations symbolically, graphically, in tables, and contextually. Students form expressions, equations, or inequalities from real-world contexts and connect symbolic and graphical representations. Students use experiments or simulations to generate data sets and create probability models. Proportional relationships present opportunities for modeling. For example, for modeling purposes, the number of people who live in an apartment building might be taken as proportional to the number of stories in the building. Students should be encouraged to answer questions such as "What are some ways to represent the quantities?" or "How might it help to create a table, chart, or graph?"
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