K.OA.A.2

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- K.OA.A.1Represent addition and subtraction with objects, fingers, mental images, drawings (drawings need not show details, but should show the mathematics in the problem), sounds (e.g., claps), acting out situations, verbal explanations, expressions, or equations.
- K.OA.A.2Solve addition and subtraction word problems, and add and subtract within 10, e.g., by using objects or drawings to represent the problem.
- K.OA.A.3Decompose numbers less than or equal to 10 into pairs in more than one way, e.g., by using objects or drawings, and record each decomposition by a drawing or equation (e.g., 5 = 2 + 3 and 5 = 4 + 1).
- K.OA.A.4For any number from 1 to 9, find the number that makes 10 when added to the given number, e.g., by using objects or drawings, and record the answer with a drawing or equation.
- K.OA.A.5Fluently add and subtract within 5.

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## K.OA.A.2

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

61 Lesson(s)

### Ways to Make 7- A Lesson on Decomposing

Kindergarten Math »
Unit: Addition

Kindergarten Math »
Unit: Addition

### Introducing the Minus Sign

Kindergarten Math »
Unit: Subtraction

Kindergarten Math »
Unit: Subtraction

### Solving Subtraction Number Stories- Under the Sea

Kindergarten Math »
Unit: Subtraction

Kindergarten Math »
Unit: Subtraction

Big Idea:

#### When introducing subtraction, students can become easily overwhelmed with numbers and symbols. In this lesson, students will learn using cubes to solve subtraction word problems related to under the sea.

Favorites
(13)

Resources
(18)

Reflections
(1)

### Solving Subtraction Number Stories- Writing the Answer Day 1

Kindergarten Math »
Unit: Subtraction

Kindergarten Math »
Unit: Subtraction

Big Idea:

#### In order to share the answer to a word problem, it is common practice to write a numeral as the solution to the problem. In this lesson, the students will keep practicing using manipulatives to solve subtraction word problems but will also write the answe

Favorites
(11)

Resources
(18)

Reflections
(1)

### Solving Addition Number Stories- In Space

Kindergarten Math »
Unit: Addition

Kindergarten Math »
Unit: Addition

### Solving Subtraction Number Stories- In Space

Kindergarten Math »
Unit: Subtraction

Kindergarten Math »
Unit: Subtraction

### Solving Addition Number Stories- Under the Sea

Kindergarten Math »
Unit: Addition

Kindergarten Math »
Unit: Addition

### Solving Addition Number Stories- Writing the Answer Day 1

Kindergarten Math »
Unit: Addition

Kindergarten Math »
Unit: Addition

Big Idea:

#### In order to share the answer to a word problem, it is common practice to write a numeral as the solution to the problem. In this lesson, the students will keep practicing using manipulatives to solve addition word problems but will also write the answer.

Favorites
(7)

Resources
(17)

Reflections
(1)

### Solving Addition Number Stories- Writing the Answer Day 2

Kindergarten Math »
Unit: Addition

Kindergarten Math »
Unit: Addition

Big Idea:

#### In order to share the answer to a word problem, it is common practice to write a numeral as the solution to the problem. In this lesson, the students will keep practicing using manipulatives to solve addition word problems but will also write the answer.

Favorites
(4)

Resources
(17)

Reflections
(1)

### Solving Subtraction Number Stories- Writing the Answer Day 2

Kindergarten Math »
Unit: Subtraction

Kindergarten Math »
Unit: Subtraction

Big Idea:

#### In order to share the answer to a word problem, it's common practice to write a numeral as the solution to the problem. In this lesson, the students will keep practicing using manipulatives to solve subtraction word problems but will also write the answer

Favorites
(5)

Resources
(18)

Reflections
(1)

### Reviewing the Equal Sign

Kindergarten Math »
Unit: Subtraction

Kindergarten Math »
Unit: Subtraction

### Subtraction Number Stories- Day 2

Kindergarten Math »
Unit: Subtraction

Kindergarten Math »
Unit: Subtraction

Common Core Math

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First Grade

Second Grade

Third Grade

Fourth Grade

Fifth Grade

Sixth Grade

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HS Number & Quantity

HS Algebra

HS Functions

HS Geometry

Kindergarten

First Grade

Second Grade

Third Grade

Fourth Grade

Fifth Grade

Sixth Grade

Seventh Grade

Eighth Grade

Ninth and Tenth Grade

Kindergarten

First grade

Second grade

Third Grade

Fourth grade

Fifth grade

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