Unit 4

Understanding Addition and Subtraction

Section A

Count to Add and Subtract

Count 2 Groups of Objects

Let’s count objects in 2 groups.

Count 2 Groups of Images

Let’s count things in 2 groups.

Count 2 Groups of Scattered Images

Let’s count things in 2 groups.

Add with Objects

Let’s use counters to add.

Subtract with Objects

Let’s subtract with counters.

Section A Practice Problems

Section A

Count to Add and Subtract

Count 2 Groups of Objects

Let’s count objects in 2 groups.

Count 2 Groups of Images

Let’s count things in 2 groups.

Count 2 Groups of Scattered Images

Section B

Represent and Solve Story Problems

Tell and Act Out Stories

Let’s tell and act out stories.

Use Objects to Represent Stories

Let’s use objects to show a story.

Represent and Solve Story Problems

Let’s show what happens in a story problem and solve it.

Solve Story Problems

Let’s solve story problems.

Compare Drawings

Let’s draw a story problem.

Drawings to Represent Story Problems

Let’s draw a picture of a story problem.

Compare Addition and Subtraction Story Problems

Let’s find out what’s the same and what’s different.

Create Story Problems

Let’s make story problems.

Section B Practice Problems

Section B

Represent and Solve Story Problems

Tell and Act Out Stories

Let’s tell and act out stories.

Use Objects to Represent Stories

Let’s use objects to show a story.

Represent and Solve Story Problems

Section C

Addition and Subtraction Expressions

Expressions and Story Problems

Let’s match expressions with story problems.

Expressions and Drawings

Let’s match expressions to drawings.

Find the Value of Expressions

Let’s find the value of expressions.

Add 0 and 1

Let’s see what happens when we add 0 or 1.

Tell Story Problems for Expressions

Let's create our own story problems.

Section C Practice Problems

Section C

Addition and Subtraction Expressions

Expressions and Story Problems

Let’s match expressions with story problems.

Expressions and Drawings

Let’s match expressions to drawings.

Find the Value of Expressions

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Unit

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Language

Audience

Assessment Access

Understanding Addition and Subtraction

Count to Add and Subtract

Count 2 Groups of Objects

Count 2 Groups of Images

Count 2 Groups of Scattered Images

Add with Objects

Subtract with Objects

Section A Practice Problems

Count to Add and Subtract

Count 2 Groups of Objects

Count 2 Groups of Images

Count 2 Groups of Scattered Images

Represent and Solve Story Problems

Tell and Act Out Stories

Use Objects to Represent Stories

Represent and Solve Story Problems

Solve Story Problems

Compare Drawings

Drawings to Represent Story Problems

Compare Addition and Subtraction Story Problems

Create Story Problems

Section B Practice Problems

Represent and Solve Story Problems

Tell and Act Out Stories

Use Objects to Represent Stories

Represent and Solve Story Problems

Addition and Subtraction Expressions

Expressions and Story Problems

Expressions and Drawings

Find the Value of Expressions

Add 0 and 1

Tell Story Problems for Expressions

Section C Practice Problems

Addition and Subtraction Expressions

Expressions and Story Problems

Expressions and Drawings

Find the Value of Expressions

Have a correction or suggestion?

Unit 4 Resources

Add with Objects

Subtract with Objects

Solve Story Problems

Compare Drawings

Drawings to Represent Story Problems

Compare Addition and Subtraction Story Problems

Create Story Problems

Add 0 and 1

Tell Story Problems for Expressions

Count to Add and Subtract

Count 2 Groups of Objects

Count 2 Groups of Images

Count 2 Groups of Scattered Images

Add with Objects

Subtract with Objects

Section A Practice Problems

Represent and Solve Story Problems

Tell and Act Out Stories

Use Objects to Represent Stories

Represent and Solve Story Problems

Solve Story Problems

Compare Drawings

Drawings to Represent Story Problems

Compare Addition and Subtraction Story Problems

Create Story Problems

Section B Practice Problems

Addition and Subtraction Expressions

Expressions and Story Problems

Expressions and Drawings

Find the Value of Expressions

Add 0 and 1

Tell Story Problems for Expressions