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MathOn grade · 8 min3.OA.C.7
Multiply and Divide Within 100
Multiplication is the shortcut for counting equal groups — once it's fast, you can build bigger things without losing your place.
The idea
Multiplying is adding the same number over and over: 4 x 6 means four groups of six. Dividing undoes it: 24 ÷ 6 asks how many sixes fit inside 24, so every fact you know forwards you also know backwards.
Fact 1 of 10
2 × 2
Work all the way through to finish. 8 of 10 right and it’s hers.