# Written Multiplication of Three-Digit Numbers by One-Digit

In this worksheet, students must carry out formal written multiplications of three-digit numbers by single-digit numbers. Carrying is involved.

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Key stage:  KS 2

Curriculum topic:   Maths and Numerical Reasoning

Curriculum subtopic:   Mixed Problems

Difficulty level:

#### Worksheet Overview

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

Example

Work out

947 × 7

Set out the calculation like this:

Then multiply the units together, so 7 × 7 = 49

Remember to carry the 4 tens below the next column.

Then multiply the tens, so 4 × 7 = 28 and add the 4 that was carried.

This gives us 28 + 4 = 32 , so we carry the 3 into the hundreds column and write the 2 in the tens column.

Then multiply the hundreds, so 9 × 7 = 63 and add the 3 that was carried.

This gives us 63 + 3 = 66 in the thousands.

So, in full, we have:

So      947 × 7 = 6629

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