Video: Using Bar Models to Find the Number of Groups

James has 18 cookies. He can put 6 cookies on each plate. Find the number of plates he needs by finishing the bar model. 18 ÷ 6 = _.

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Video Transcript

James has 18 cookies. He put six cookies on each plate. Find the number of plates he needs by finishing the bar model. 18 divided by six equals blank.

If we break 18 up into two pieces, we can say that 18 equals six plus 12. If you take six away from 18, you have 12 left. And if James is putting six cookies on each plate, then we need to take six from 12. 12 minus six equals six. And that means that 18 can be divided into three groups of six. It shows us that 18 divided by six equals three.

If James filled three plates with six cookies each, he would use 18 cookies, which is what he started with. This is another way to show that 18 divided by six equals three.

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