Video: Using Images to Solve Word Problems Requiring Subtraction within 20

There were 11 flies. After a frog ate some of them, there were 8 flies left. How many flies were eaten?

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Video Transcript

There were 11 flies. After a frog ate some of them, there were eight flies left. How many flies were eaten?

Here, we have 11 flies. After a frog ate some of them, there were eight flies left.

The pink group shows the number of flies that were left. So this group shows us how many flies were eaten: one, two, three.

The number of flies that were eaten is three.

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