**A worksheet using rainbow numbers.**

Use this worksheet in your classroom to show your students how each of the numbers from 0–10 connect to make 10.

Use in conjunction with the Rainbow Numbers Poster.

teaching resource

**A worksheet using rainbow numbers.**

Use this worksheet in your classroom to show your students how each of the numbers from 0–10 connect to make 10.

Use in conjunction with the Rainbow Numbers Poster.

#### CCSS.MATH.CONTENT.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.

#### CCSS.MATH.CONTENT.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).

#### CCSS.MATH.CONTENT.K.OA.A.4

For 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.

#### CCSS.MATH.CONTENT.1.OA.C.6

Add and subtract within 20, demonstrating fluency for addition and subtraction within 10. Use strategies such as counting on; making ten (e.g., 8 + 6 = 8 + 2 + 4 = 10 + 4 = 14); decomposing a number leading to a ten (e.g., 13 - 4 = 13 - 3 - 1 = 10 - ...

#### CCSS.MATH.CONTENT.2.OA.B.2

Fluently add and subtract within 20 using mental strategies. By end of Grade 2, know from memory all sums of two one-digit numbers.

#### Math K.2(I)

Compose and decompose numbers up to 10 with objects and pictures.

#### Math 1.3(C)

Compose 10 with two or more addends with and without concrete objects;

#### Math 1.3(E)

Explain strategies used to solve addition and subtraction problems up to 20 using spoken words, objects, pictorial models, and number sentences; and

#### Math 2.4(A)

Recall basic facts to add and subtract within 20 with automaticity;

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