Chapter 2- Subtraction Concepts

Lesson 2.1

- Objective:Use Pictures to Show "taking from" and find difference.

- Objective: Use concrete objects to solve "taking from" subtraction problems.
- Vocabulary
- minus
- difference
- subtraction sentence

Lesson 2.3- Model Taking Apart

- Objective: Use concrete objects to solve "taking apart" subtraction problems
- Vocabulary:
- Subtract

- Objective: Solve taking from and taking apart subtraction problems using the strategy make a model.

- Objective: Compare pictorial groups to understand subtraction.
- Vocabulary
- compare
- fewer
- more

- Objective: Model and compare groups to show the meaning of subtraction.

- Objective: Identify how many are left when subtracting all of zero.

Lesson 2.8- Take Apart Numbers

- Objective: Model and record all the ways to take apart a number.

Lesson 2.9- Subtraction From 10 or Less

- Objective: Build fluency for subtraction within 10.

Chapter 2 Review Video

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