Video: Determining Whether to Add or Subtract to Solve Word Problems with Numbers up to 20

There are 12 ducks swimming in a pond. 5 of them fly away. Which expression shows how many ducks are still in the pond? [A] 12 + 5 [B] 12 − 5

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Video Transcript

There are 12 ducks swimming in a pond. Five of them fly away. Which expression shows how many ducks are still in the pond? Is it 12 plus five or 12 minus five?

The picture shows five ducks fly away. There were 12 ducks, and five flew away. This is the expression that shows how many ducks are still in the pond.

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