Draw and label a picture to show how knowing 7+7 helps you find 7+8

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asked Dec 18, 2017 40.5k views

1 Answer

Ephtron · Answer 1 · 2017-12-24T14:24:31+0000

Lets say we have 7 items, and we add 7 more.
Then, in the next situation, we have 7 items and we add 8 more. Now we know that 8 = 7 + 1, so we are actually performing 7 + 7 +1. Our diagram already shows us the value of 7 + 7 so we just add 1.
The items can be represented by circles, triangles etc

Draw and label a picture to show how knowing 7+7 helps you find 7+8

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