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Multiplication of a Two-Digit Number by an Amount

In this worksheet, students use a shortcut method to multiply amounts such as £3.99 by a two-digit number.

'Multiplication of a Two-Digit Number by an Amount' worksheet

Key stage:  KS 3

Curriculum topic:   Number

Curriculum subtopic:   Use Standard Units of Measure

Difficulty level:  

Worksheet Overview

In this worksheet, you must multiply numbers by amounts such as £1.99 or £2.99 or £3.99 etc.

This is particularly useful when you go shopping.

 

Shortcut Method

17 × £2.99

First, we pretend that the amount is £3 and not £2.99

Multiply 17 by £3 to get £51

This is 17 × 1p too much, so we now subtract 17p from £51

£51.00 - 17p = £51.00 - £0.17 = £50.83

So 17 × £2.99 =   £50.83

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