Question Video: Subtracting One-Digit Numbers from Teen Numbers Mathematics • 1st Grade

Daniel drew this model to help him subtract. Which of these has the same answer as 16 − 5? [A] 10 + 5 [B] 10 + 1 [C] 1 + 1, What is 16 − 5?

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Video Transcript

Daniel drew this model to help him subtract. Which of these has the same answer as 16 take away five? Is it ten plus five, ten plus one, or one plus one? What is 16 take away five?

In this ten frame, there are 10 counters. And in this ten frame, there’s one counter. So 10 plus one has the same answer as 16 minus five. So 16 minus five is the same as 10 plus one, which is 11.

The expression which has the same answer is 16 take away five is 10 plus one. 10 plus one is 11. So 16 minus five equals 11.

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