Free Putting Groups Together Worksheet (K-1)

Grades K-1 Math

K.OA.A.5 K.OA.A.1 K.OA.A.2

Worksheet 1: Putting Groups Together

Introduction to Addition — Combining Two Groups • Standards: K.OA.A.1, K.OA.A.5

Name: Date:

Directions: Count each group. Then put the groups together and write how many in all.

Problems 1–3: Count each group. Put them together.

1. Count the apples in each group:

Group A:

Group B:

Group A has . Group B has . Put them together: in all.

2. Count the eggs in each group:

Group A:

Group B:

Group A has . Group B has . Put them together: in all.

3. Count the tractors in each group:

Group A:

Group B:

Group A has . Group B has . Put them together: in all.

Problems 4–6: Count each side. Write how many in all.

and

and makes in all.

and

and makes in all.

and

and makes in all.

Problems 7–8: Write the addition equation.

and

+ =

Hint: The + sign means “put together.” The = sign means “is the same as.”

and

+ =

Problems 9–10: Draw the objects, then write the equation.

9. Draw 1 apple on the left and 3 apples on the right.

+ =

10. Draw 2 eggs on the left and 2 eggs on the right.

+ =

This is 1 of 5 worksheets in the Addition & Subtraction Within 20. Get the complete pack with all worksheets and full answer keys.