# Use Knowledge of Percentages to Work out Values of Discounts

In this worksheet, students will work out which of the "money off" coupons represents the better value when purchasing an item.

Key stage:  KS 3

Curriculum topic:   Number

Curriculum subtopic:   Use Standard Units of Measure

Popular topics:   Money worksheets

Difficulty level:

#### Worksheet Overview

Sometimes when we go shopping, we can use discount vouchers or coupons to save money.

Some coupons give a fixed amount of discount provided that you spend at least a certain minimum amount.

Some coupons give a percentage off.

Example

Jack buys a book for £22.40.

Which of these two coupons would be better for him to use to get the better discount.

£22.40 is more than £20, so he will get a £5 discount if he uses the orange £5 off coupon.

25% is the same as a quarter.

2240 ÷ 4 = 560

So he will get a £5.60 discount if he uses the blue 25% off coupon.

The blue 25% coupon gives the better discount.

If he uses the blue coupon, he will have to pay £22.40 - £5.60 which is £16.28

Let's have a go at some questions now.

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