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

In this worksheet, students must carry out formal written multiplications of two-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 regroup if necessary.

Example

Work out

78 × 7

1. Rewrite the calculation vertically, like this: 2. Then multiply the numbers in the ones column together, so 8 × 7 = 56

Write the 6 in the ones column and regroup the 5 tens below in the tens column. 3. Next multiply the numbers in the tens column together, so 7 × 7 = 49 and add the 5 that was regrouped. This gives us 49 + 5 = 54, so we write the 4 in the tens column and the 5 in the hundreds column. So      78 × 7 = 546

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