First Grade Math Unit 3 Plan - chino.k12.ca.us

First Grade Math Unit 3 Plan

Grade Level: 1 Time: October 9 ? November 8 (23 Days) Previous Standard: previous CA standard needed for the essential

standard in the unit

Unit: Number Within 20: Addition Essential Standards: *1.OA.1, 1.OA.2, 1.OA.3, *1.OA.6, Future Standard: next CA standard students will learn 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.

2.OA.2 Fluently add and subtract within 20 using mental strategies.* By end of Grade 2, know from memory all sums of two one-digit numbers.

Standards for Mathematical Practice:

Student Learning Targets:

1. Make sense of problems and persevere in solving them.

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

2. Reason abstractly and quantitatively.

2. I can solve word problems that call for addition of three whole

3. Construct viable arguments and critique the reasoning of others. 4. Model with mathematics.

numbers whose sum is less than or equal to 20. (1.OA.2) 3. I can apply properties of operations as strategies to add (1.OA.3)

5. Use appropriate tools strategically.

4. I can add within 20 demonstrating fluency for addition within 10.

6. Attend to precision.

(1.OA.6)

7. Look for and make use of structure.

8. Look for and express regularity in repeated reasoning.

Standards

Vocabulary

Skills

Activities (Resources)

Assessment

Essential Standard

Addition

? Add within 20

5-4: Problem Solving:

Suggested

Equations

? Solve word problems

Two-Question Problems Common

*1.OA.1 Use addition and subtraction within Symbol

involving situations of

? Consumable pg.

Formative

20 to solve word problems involving situations Unknown

adding to and putting

176- 178 (1-4, 5- 7)

Assessments:

of adding to, taking from, putting together,

number

together with unknowns in ? R5-4: (1-2)

? After Learning

taking apart, and comparing, with unknowns Represent

all positions by using

? P5-4: (1-2)

Target 1 & 2

in all positions, e.g., by using objects, drawings, and equations with a symbol for

objects ? Solve word problems

? E5-4: (1-4)

? After Learning Target 3 & 4

the unknown number to represent the

involving situations of

problem.

adding to and putting together with unknowns in

Common Summative

Link to Sample Test Item

all positions by using

Assessment

drawings and equations

covering all skills

with a symbol for the

(learning target):

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unknown number to represent the problem

? Select aligned items from Enhanced Topic Test 5

1.OA.2 Solve word problems that call for addition of three whole numbers whose sum is less than or equal to 20, e.g., by using objects, drawings, and equations with a symbol for the unknown number to represent the problem.

Link to Sample Test Item

1.OA.3 Apply properties of operations as strategies to add and subtract.* Examples: If 8 + 3 = 11 is known, then 3 + 8 = 11 is also known. (Commutative property of addition.) To add 2 + 6 + 4, the second two numbers can be added to make a ten, so 2 + 6 + 4 = 2 + 10 = 12. (Associative property of addition.)

Link to Sample Test Item

Whole numbers

Sum Less than Equal to Addends

Commutative Property

Associative Property

? Add three numbers within 20

? Solve word problems with three whole numbers by using objects Solve word problems with three whole numbers by using drawings and equations with a symbol for the unknown number to represent the problem

? Apply the Commutative Property to add within 20

? Apply the Associative Property to add within 20

5-9: Word Problems with Three Addends ? Consumable pg.

196- 198 (1-6, 7-9) ? R5-9: (All) ? P5-9: (1-4)

Additional Resources: ? Topic 5 Reteaching

Consumable pg.

? Set D (8)

5-8: Adding Three Numbers ? Consumable pg.

192-194 (1-10, 11-13)

? R5-8: (1-3) ? P5-8: (1-4) ? E5-8: (1-6)

5-9: Word Problems with Three Addends ? Consumable pg.

196-198 (1-6, 7-9)

? R5-9: (All)

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? P5-9: (1-3) ? E5-9: (1-4)

*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).

Fluency Addends Decomposing Equivalent

Link to Sample Test Item

? Add within 20 demonstrating fluency for addition 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

5-1: Doubles ? Consumable pg.

164- 166 (1-20, 21-23) ? R5-1: (1-5) ? P5-1: (1-5) ? E5-1: (1-4)

5-2: Doubles Plus 1 ? Consumable pg.

168- 170 (1-9, 10-12) ? R5-2: (1-3) ? P5-2: (1-5) ? E5-2: (1-3)

5-3: Doubles Plus 2 ? Consumable pg.

172- 174 (1-10, 11-13) ? R5-3: (1-4) ? P5-3: (1-4) ? E5-3: (1-3)

5-5: Making 10 to Add ? Consumable pg.

180- 182 (1-6, 7-9) ? R5-5: (1-3) ? P5-5: (1-4) ? E5-5: (1-2)

5-6: Making 10 to Add 9 ? Consumable pg.

184- 186 (1-6, 7-9) ? R5-6: (1-2) ? P5-6: (1-3) ? E5-6: (1-4)

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Reflection:

Note: *1.OA.1 and 1.OA.6 will be revisited in Unit 4

List strategies or "things to remember" when teaching and when planning the unit

5-7: Make 10 to Add 8 ? Consumable pg.

188- 190 (1-6, 7-9) ? R5-7: (1-2) ? P5-7: (1-3) ? E5-7: (1-4)

Additional Resources: ? Topic 5 Reteaching

Consumable pg. ? Set A (1-4) ? Set B (5-6)

? Set C (7)

After the unit, document what worked well and what needs to change for the next year

Elementary Curriculum and Instruction

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Monday

Date I can...

Focus (skill or daily objective students will learn for the day)

Tuesday

Calendar

Wednesday

Thursday

Friday

*Identify dates for CFAs and end of unit assessments on the calendar.

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