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Multiply Amounts of Money by a Two-Digit Number

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

'Multiply Amounts of Money  by a Two-Digit Number' worksheet

Key stage:  KS 3

Year:  Year 7 Maths worksheets

Curriculum topic:   Number

Curriculum subtopic:   Use Standard Units of Measure

Difficulty level:  

Worksheet Overview

In this activity, we will 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


man with money


Alternatively, we can just do our normal multiplication calculation by removing the decimal point, doing the multiplication and then putting the decimal point back in, making sure that we have the same number of decimal places in our answer as in the original calculation.


17 x £2.99 had two decimal places.

17 x 299 = 5083

Put the decimal point back in to give two decimal places: 50.83

The answer is £50.83


Note that answers will have two decimal places if we are doing calculations with money!


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