Video: Finding the Missing Numbers in Addition Sentences Representing Doubles Facts

A number is doubled to get 6. What number is it?

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Video Transcript

A number is doubled to get six. What number is it?

We can use six counters to help answer this question. When we double a number, we times it by two. So we could divide our six counters into two equal groups. Now we have two equal groups of counters. We can count the number in each group. This group has three counters. This group also has three counters. The number which is doubled to make six is three.

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