First Grade Math Unit 4 Plan - chino.k12.ca.us

First Grade Math Unit 4 Plan

Grade Level: 1 Time: November 9 ? January 8 (24 days) Previous Standard: previous CA standard needed for the essential

standard in the unit

K.OA.2 Solve addition and subtraction word problems, and add and subtract within 10, e.g., by using objects or drawings to represent the problem.

Unit: Numbers within 20: Addition & Subtraction Essential Standards: *1.OA.1, 1.OA.4, 1.OA.5, *1.OA.6, 1.OA.8 Future Standard: next CA standard students will learn for the

essential standard in the unit

1.NBT.4 Add within 100, including adding a two-digit number and a one-digit number, and adding a two-digit number and a multiple of 10, using concrete models or drawings and strategies based on place value, properties of operations, and/or the relationship between addition and subtraction; relate the strategy to a written method and explain the reasoning used. Understand that in adding two-digit numbers, one adds tens and tens, ones and ones; and sometimes it is necessary to compose a ten.

Standards for Mathematical Practice:

1. Make sense of problems and persevere in solving them. 2. Reason abstractly and quantitatively. 3. Construct viable arguments and critique the reasoning of others. 4. Model with mathematics. 5. Use appropriate tools strategically. 6. Attend to precision. 7. Look for and make use of structure. 8. Look for and express regularity in repeated reasoning.

Student Learning Targets:

1. I can use addition and subtraction within 20 to solve word problems. (1.OA.1)

2. I can relate counting to addition and subtraction. (1.OA.5) 3. I can add and subtract within 20 demonstrating fluency for

addition and subtraction within 10. (1.OA.6) 4. I can determine the unknown whole number in addition or

subtraction equations relating three whole numbers. (1.OA.4 & 1.OA.8)

Standards

Essential Standard

*1.OA.1 Use addition and subtraction within 20 to solve word problems involving situations of adding to, taking from, putting together, taking apart, and comparing, with unknowns in all positions, e.g., by using objects, drawings, and equations with a

Vocabulary

Skills

Activities (Resources)

Addition

? Add and subtract within 20 4-10: Problem Solving:

Subtraction ? Solve word problems

Draw a Picture and

Comparing

involving situations of

Write a Number

Equations

adding to and putting

Sentence

Symbol

together with unknowns in ? Consumable pg.

Unknown

all positions by using

154-156

number

objects

(1-5)

Represent

? Solve word problems

? R4-10: All

involving situations of

? P4-10: (1-3)

Assessment

Suggested Common Formative Assessments: ? After Learning

Target 1 ? After Learning

Target 2

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symbol for the unknown number to represent the problem.

Link to Sample Test Item

1.OA.4: Understand subtraction as an unknown-addend problem. For example, subtract 10 ? 8 by finding the number that makes 10 when added to 8.

Link to Sample Test Item

Unknownaddend

adding to and putting together with unknowns in all positions by using drawings and equations with a symbol for the unknown number to represent the problem ? Solve word problems involving situations of taking from, taking apart, comparing, with unknowns in all positions by using objects ? Solve word problems involving situations of adding to and putting together with unknowns in all positions by using drawings and equations with a symbol for the unknown number to represent the problem

? E4-10: (1-3) 6-7: Problem Solving: Draw a Picture and Write a Number Sentence ? Consumable pg.

230-232 (1-4, 5-7) ? R6-7: (1-2) ? P6-7: (1-3) ? E6-7: (1-3)

? After Learning Target 3

? After Learning Target 4

Common Summative Assessment covering all skills (learning target): ? Select aligned

items from Enhanced Topic Test 3, 4, 5, 6

? Add and subtract within 20 ? Use related addition to solve

subtraction problems.

3-4: Finding Missing Parts of 10 ? Consumable pg.

104-106 (1-8, 9-11) ? R3-4: (1) ? P3-4: (1-7) ? E3-4: (1-4)

Additional Resources: ? Topic 3 Reteaching

Consumable pg. o Set D (7-8)

4-7: Thinking Addition ? Consumable pg.

142-144 (Using counters 1-10, 11-13)

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? R4-7: (1-3) ? P4-7: (1-6) ? E4-7: (1-6)

4-8: Thinking Addition to 8 to Subtract ? Consumable pg.

146-148 (1-5, 6-8) ? R4-8: (1-5) ? P4-8: (1-4) ? E4-8: (1-6)

4-9: Thinking Addition to 12 to Subtract ? Consumable pg.

150-152 (1-8, 9-12) ? R4-9: (1-4) ? P4-9: (1-5) ? E4-9: (1-3)

Additional Resources: ? Topic 4 Reteaching

Consumable pg. o Set D (7-8)

6-3: Using Related Facts ? Consumable pg.

214-216 (1-6, 8-10) ? R6-3: (1-6) ? P6-3: (1-3) ? E6-3: (1-6)

6-4: Fact Families ? Consumable pg.

218-220 (1-5, 6-8) ? R6-4: (1-3) ? P6-4: (1-3)

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? E6-4: (1-4)

Additional Resources: ? Topic 6 Reteaching

Consumable pg. o Set A (1-2)

1.OA.5: Relate counting to addition and subtraction (e.g., by counting on 2 to add 2).

Link to Sample Test Item

? Relate counting to addition and subtraction

3-1: Representing Numbers on a TenFrame ? Consumable pg. 92-

94 (1-9, 10-12) ? R3-1: (1-4) ? P3-1: (1-4) ? E3-1: (1-4)

3-2: Recognizing Numbers on a TenFrame ? Consumable pg. 96-

98 (1-9, 10-12) ? R3-2: (1-4) ? P3-2: (1-4) ? E3-2: (1-6)

Additional Resources: ? Topic 3 Reteaching

Consumable pg. o Set A (1-2) o Set B (3-4)

4-1: Adding with 0, 1, 2 ? Consumable pg.

118-120 (1-12, 13-15)

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? R4-1: (1-6) ? P4-1: (1-14) ? E4-1: (1-5) 4-6: Subtraction with 0, 1, 2 ? Consumable pg.

138-140 (1-9, 10-13)

? R4-6: (none) ? P4-6: (none) ? E4-6: (1-8)

Additional Resources: ? Topic 4 Reteaching

Consumable pg. o Set A (1-2) o Set C (5-6)

* 1.OA.6: Add and subtract within 20, demonstrating fluency for addition and subtraction within 10. Use strategies such as counting on; making ten (e.g., 8 + 6 = 8 + 2 + 4 = 10 + 4 = 14); decomposing a number leading to a ten (e.g., 13 ? 4 = 13 ? 3 ? 1 = 10 ? 1 = 9); using the relationship between addition and subtraction (e.g., knowing that 8 + 4 = 12, one knows 12 ? 8 = 4); and creating equivalent but easier or known sums (e.g., adding 6 + 7 by creating the known equivalent 6 + 6 + 1 = 12 + 1 = 13).

Link to Sample Test Item

Fluency Addends Decomposing Equivalent

? Add and subtract within 20 demonstrating fluency for addition and subtraction within 10

? Use strategies such as: o Counting On o Making Ten o Decomposing a number leading to a ten o Creating equivalent but easier or known sums o Using the relationship between addition and subtraction

3-3: Parts of 10 ? Consumable pg.

100-102 (1-9, 10-12) ? R3-3: (1-6) ? P3-3: (1-7) ? E3-3: (1-3)

3-4: Finding Missing Parts of 10 ? Consumable pg.

104-106 (1-8, 9-11) ? R3-4: (1) ? P3-4: (1-7) ? E3-4: (1-4)

3-5: Problem Solving: Make a Table

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