Video: Identifying Equal Subtraction Sentences

Which of the following is equal to 9 − 5? [A] 3 + 1 [B] 3 − 1 [C] 3 − 3 [D] 9 + 5

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Video Transcript

Which of the following is equal to nine take away five, three plus one, three take away one, three take away three, or nine plus five?

First, we need to find out what nine take away five equals. We can use a number line to help us answer this question. We need to start at nine and count backward five places: one, two, three, four, five. Nine take away five equals four.

Which of these number sentences is also equal to four? Is three plus one equal to four? Let’s use the number line to check. We need to start at three and add one more or count forward one place.

Three plus one equals four. Three plus one is equal to nine take away five.

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