  # Multiply Three-Digit Numbers by One-Digit Numbers Using Carrying

In this worksheet, students will carry out formal written multiplications of three-digit numbers by single-digit numbers. Carrying is involved. Key stage:  KS 2

Curriculum topic:   Number: Multiplication and Division

Curriculum subtopic:   Use Written Form for Multiplication

Difficulty level:   #### Worksheet Overview

Written multiplication can be done step-by-step by setting out the calculation carefully and remembering to carry numbers if necessary.

Example

Work out:

947 × 7

Rewrite the calculation vertically, like this: Multiply the numbers in the ones column together, so 7 × 7 = 49

Write the 9 in the ones column and carry the 4 tens below to the doorstep of the tens column. Next, multiply the numbers in the tens column together, so 4 × 7 = 28 and add the 4 tens that were on the doorstep. This gives us 28 + 4 = 32 , so we write the 2 in the tens column and carry the 3 hundreds below on to the doorstep of the hundreds column. Lastly, multiply the numbers in the hundreds column, so 9 × 7 = 63 and add the 3 that was on the doorstep.

This gives us 63 + 3 = 66 in the thousands. So, in full, we have: So      947 × 7 = 6,629

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