K.OA.A.3

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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.3

## Decompose 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).

48 Lesson(s)

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

Kindergarten Math »
Unit: Addition

Kindergarten Math »
Unit: Addition

### Ways to Make 8- A Lesson on Decomposing

Kindergarten Math »
Unit: Addition

Kindergarten Math »
Unit: Addition

### Ways to Make 5- A Lesson on Decomposing

Kindergarten Math »
Unit: Addition

Kindergarten Math »
Unit: Addition

### Ways to Make 10- A Lesson on Decomposing

Kindergarten Math »
Unit: Addition

Kindergarten Math »
Unit: Addition

### Ways to Make 6- A Lesson on Decomposing

Kindergarten Math »
Unit: Addition

Kindergarten Math »
Unit: Addition

### Ways to Make 9- A Lesson on Decomposing

Kindergarten Math »
Unit: Addition

Kindergarten Math »
Unit: Addition

### Ways to Make 1 and 2- A Lesson on Decomposing

Kindergarten Math »
Unit: Addition

Kindergarten Math »
Unit: Addition

### Ways to Make 4- A Lesson on Decomposing

Kindergarten Math »
Unit: Addition

Kindergarten Math »
Unit: Addition

### Ways to Make 3- A Lesson on Decomposing

Kindergarten Math »
Unit: Addition

Kindergarten Math »
Unit: Addition

### Dot the Dog-Making Ten with Domino Patterns

Kindergarten Math »
Unit: Introduction to Addition and Subtraction

Kindergarten Math »
Unit: Introduction to Addition and Subtraction

### Farmer Fred's Fenceposts-The Plus and Equal Sign

Kindergarten Math »
Unit: Introduction to Addition and Subtraction

Kindergarten Math »
Unit: Introduction to Addition and Subtraction

Big Idea:

#### Although understanding the plus and equal sign are not a kindergarten Common Core standard, exposure to the concept provides a foundation for future learning and preparation for standardized testing.

Favorites
(5)

Resources
(17)

Reflections
(1)

### Frijoles!-Exploring Ways to Make Ten

Kindergarten Math »
Unit: Introduction to Addition and Subtraction

Kindergarten Math »
Unit: Introduction to Addition and Subtraction

### In the Pen-Joining Groups in a Ten Frame

Kindergarten Math »
Unit: Introduction to Addition and Subtraction

Kindergarten Math »
Unit: Introduction to Addition and Subtraction

### Ten in the Pen-Joining Groups in a Ten Frame

Kindergarten Math »
Unit: Introduction to Addition and Subtraction

Kindergarten Math »
Unit: Introduction to Addition and Subtraction

### Barnyard Banter-More Work with Addition

Kindergarten Math »
Unit: Introduction to Addition and Subtraction

Kindergarten Math »
Unit: Introduction to Addition and Subtraction

Common Core Math

### Kindergarten

### First Grade

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### Seventh Grade

### HS Number & Quantity

### HS Algebra

### HS Functions

### HS Geometry

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### First Grade

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### Ninth and Tenth Grade

### Kindergarten

### First grade

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### Middle School

Kindergarten

First Grade

Second Grade

Third Grade

Fourth Grade

Fifth Grade

Sixth Grade

Seventh Grade

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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