Multiply Whole Numbers

To multiply by a 1-digit number, first multiply the ones, then the tens, and so on

Regroup at each stage, if necessary

For example, when finding 396 x 7, using the following steps:   
Step 1: Multiply the ones (6). Regroup if necessary
Step 2: Multiply the tens (9). Add any new tens. Regroup if necessary
Step 3: Multiply the hundreds (3). Add any new hundreds. Regroup if necessary
396 x 7 = 2,772

To multiply by two-digits, multiply the ones, followed by the tens; then add

Remember to place the zero when multiplying a 2-digit number

To multiply by three-digits, multiply the ones, the tens, followed by the hundreds; then add

Remember to place two zeros when multiplying by a 3-digit number

To find the product of three factors, first multiply the first two factors. Then multiply the product of the first two factors by the third factor

Remember to place the zero when multiplying a 2-digit number