Calculating
Written multiplication
When we want to multiply, we can use a formal written method.
1 4 6 2 4
Multiply each digit in turn.
1 4 6 2 4 8
6 tens multiplied by 4 is 24 tens.
1 4 6 2 4 24 8
1 4 6 2 4
4 8
2
We can regroup the 20 tens to 2 hundreds.
1 4 6 2 4 24 4 8
4 hundreds multiplied by 4 is 16 hundreds.
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