## CCSS.MATH.CONTENT.1.OA.A.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.

### Displaying 1 - 31 of 31 resources:

Thumbnail Image Title Description Curriculum Nodes

### INSTRUCTIONAL RESOURCE: Tutorial: Sums Greater Than 10

INSTRUCTIONAL RESOURCE: Tutorial: Sums Greater Than 10

This PowerPoint Presentation presents a series of questions using red and yellow counters.

### Quizlet Flash Card Set: Word Problems (Sums to 20), Set 1

Quizlet Flash Card Set | Word Problems (Sums to 20), Set 1

In this set of flash cards, students add three numbers in the context of a word problem.

### Quizlet Flash Card Set: Word Problems (Sums to 20), Set 2

Quizlet Flash Card Set | Word Problems (Sums to 20), Set 2

In this set of flash cards, students solve a missing addend problem with three addends.

### Quizlet Flash Card Set: Word Problems (Sums to 20), Set 3

Quizlet Flash Card Set | Word Problems (Sums to 20), Set 3

In this set of flash cards, students solve a missing addend problem with three addends.

### Quizlet Flash Card Set: Word Problems (Sums to 20), Set 4

Quizlet Flash Card Set | Word Problems (Sums to 20), Set 4

In this set of flash cards, students solve a missing addend problem with three addends.

### Quizlet Flash Cards: Adding Objects

Description

Using counting skills to add numbers.

Note: The download is the teacher's guide for using Media4Math's Quizlet Flash Cards.

### Quizlet Flash Cards: Sums Greater Than 10

Find the numbers that make up the sum in this set of Quizlet flash cards.

Note: The download is the teacher's guide for using Media4Math's Quizlet Flash Cards.

### Test Prep Interactive Quiz--Sums to 10

Test Prep Interactive Quiz--Sums to 10

This is part of a collection of self-scoring interactive math quizzes on a variety of topics.

### Test Prep Interactive Quiz--Sums to 100

Test Prep Interactive Quiz--Sums to 100

This is part of a collection of self-scoring interactive math quizzes on a variety of topics.

### Test Prep Interactive Quiz--Sums to 20

Test Prep Interactive Quiz--Sums to 20

This is part of a collection of self-scoring interactive math quizzes on a variety of topics.

### Test Prep Interactive Quiz--Word Problems (Sums to 20)

Test Prep Interactive Quiz | Word Problems (Sums to 20)

This is part of a collection of self-scoring interactive math quizzes on a variety of topics.

### Worksheet: Associate and Add, Worksheet 1

Worksheet: Associate and Add, Worksheet 1

This is part of a collection of math worksheets on the topic of using the associative property to add.

### Worksheet: Associate and Add, Worksheet 2

Worksheet: Associate and Add, Worksheet 2

This is part of a collection of math worksheets on the topic of using the associative property to add.

### Worksheet: Associate and Add, Worksheet 3

Worksheet: Associate and Add, Worksheet 3

This is part of a collection of math worksheets on the topic of using the associative property to add.

### Worksheet: Associate and Add, Worksheet 4

Worksheet: Associate and Add, Worksheet 4

This is part of a collection of math worksheets on the topic of using the associative property to add.

### Worksheet: Associate and Add, Worksheet 5

Worksheet: Associate and Add, Worksheet 5

This is part of a collection of math worksheets on the topic of using the associative property to add.

### Worksheet: Find the Missing Number, Worksheet 1

Worksheet: Find the Missing Number, Worksheet 1

This is part of a collection of math worksheets in which students are asked to find the missing value from addition equations.

### Worksheet: Find the Missing Number, Worksheet 10

Worksheet: Find the Missing Number, Worksheet 10

This is part of a collection of math worksheets in which students are asked to find the missing value from addition equations.

### Worksheet: Find the Missing Number, Worksheet 2

Worksheet: Find the Missing Number, Worksheet 2

This is part of a collection of math worksheets in which students are asked to find the missing value from addition equations.

### Worksheet: Find the Missing Number, Worksheet 3

Worksheet: Find the Missing Number, Worksheet 3

This is part of a collection of math worksheets in which students are asked to find the missing value from addition equations.

### Worksheet: Find the Missing Number, Worksheet 4

Worksheet: Find the Missing Number, Worksheet 4

This is part of a collection of math worksheets in which students are asked to find the missing value from addition equations.

### Worksheet: Find the Missing Number, Worksheet 5

Worksheet: Find the Missing Number, Worksheet 5

This is part of a collection of math worksheets in which students are asked to find the missing value from addition equations.

### Worksheet: Find the Missing Number, Worksheet 6

Worksheet: Find the Missing Number, Worksheet 6

This is part of a collection of math worksheets in which students are asked to find the missing value from addition equations.

### Worksheet: Find the Missing Number, Worksheet 7

Worksheet: Find the Missing Number, Worksheet 7

This is part of a collection of math worksheets in which students are asked to find the missing value from addition equations.

### Worksheet: Find the Missing Number, Worksheet 8

Worksheet: Find the Missing Number, Worksheet 8

This is part of a collection of math worksheets in which students are asked to find the missing value from addition equations.

### Worksheet: Find the Missing Number, Worksheet 9

Worksheet: Find the Missing Number, Worksheet 9

This is part of a collection of math worksheets in which students are asked to find the missing value from addition equations.

### Worksheet: Switch Places and Add, Worksheet 1

Worksheet: Switch Places and Add, Worksheet 1

This is part of a collection of math worksheets on the topic of the commutative property.

### Worksheet: Switch Places and Add, Worksheet 2

Worksheet: Switch Places and Add, Worksheet 2

This is part of a collection of math worksheets on the topic of the commutative property.

### Worksheet: Switch Places and Add, Worksheet 3

Worksheet: Switch Places and Add, Worksheet 3

This is part of a collection of math worksheets on the topic of the commutative property.

### Worksheet: Switch Places and Add, Worksheet 4

Worksheet: Switch Places and Add, Worksheet 4

This is part of a collection of math worksheets on the topic of the commutative property.