Multiply 2-digit by 1-digit

Two ways to multiply 34 × 6: split the numbers into tens and ones and multiply the parts (you can see every piece), or line the digits up in columns.

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Method 1, split it up: break each number into its place-value parts.
Multiply every part of one number by every part of the other.
Add all the pieces.
Method 2, columns: multiply by each digit from the right, carrying when you pass 10.

Method 1: Split it up

Break 34 into 30 + 4. Multiply each piece, then add.

34 × 6

30 × 6 = 180

4 × 6 = 24

180 + 24 = 204

Method 2: Columns

Multiply each digit from the right, carrying when you pass 10.

34 × 6

Work right to left, one digit at a time, carrying as you go.

34 × 6 = 204

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Watch out

The split method and the column method always give the same answer. Use the split method to check your column working.

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