Properties and Strategies to Add and Subtract

Subtract.

10 - 4 =

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Subtract.

10 - 2 =

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Nine minus one equals .

14 + 5

Marciela got 8 gifts for her birthday. She then gave 5 gifts to Jake. How many gifts does she have left?

• 3

• 13

• 12

• 15

Kelly found 9 bears in the toy basket. Stephen found some bears in the toy basket. They found 15 bears in all.

How many bears did Stephen find?

• 6

• 7

• 16

• 9

Fred saw 10 butterflies on Monday. On Tuesday, there were only 8. How many butterflies flew away?

• 5

• 7

• 2

• 1

Maddie has _______ colored pencils. She gives ________ to her friend. How many colored pencils does she have now? Which operation will you use to solve this?

• addition

• subtraction

There were ______ frogs on the log. ______ more hopped on the log. How many frogs are there total? Which operation would you use to solve the problem?

• addition

• subtraction

The red team had ______ players. The blue team had _______ players. How many players are there altogether? Which operation would you use to solve this problem?

• addition

• subtraction