Spark CoachBuild Expeditions
Skills
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.

Powers Expedition 1 · My Math-Fact Smoke Detector
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.