Knaph

Multiplication

Multiplying is adding the same number again and again: 4 × 6 means 4 groups of 6, which is 24. An array of rows and columns shows that the order doesn't matter, and place value shows why times ten moves every digit one place to the left.

Depth 1 · Foundation

You can see multiplying as equal groups or an array, know 4 × 6 = 6 × 4, and multiply by ten by moving digits one place left.

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