Question Video: Breaking Apart a Group of Up to 10 Objects into Two Parts Mathematics • Kindergarten

A cube train has 8 cubes. If 5 of them are red, how many green cubes are there?

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Video Transcript

A cube train has eight cubes. If five of them are red, how many green cubes are there?

In this question, we’re shown a cube train with eight cubes. So this is our cube train. And we can see that the cube train has been broken into two parts. We’re told that five of the cubes are red, but we’re not told how many green cubes there are. Let’s write this information in our part–whole model. We know the cube train has eight cubes, and we know the red part has five cubes. Let’s count how many green cubes there are. There’s one, two, three. The green part has three cubes. If a cube train has eight cubes and five of them are red, then three of them must be green.

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