L.O. To find a percentage decrease (level 5)
Find the percentage and subtract it
Ex: Decrease £80 by 17%
17% of £80 = £13.60
so new totals = £80 - £13.60 = £66.40
Quick tip – you can do this in one go
instead of subtracting on 17%
just find the other 83%
Have a go at these 20 questions the first one is done for you.
Decrease
60 by 20%
500 by 48%
370 by 34%
940 by 68%
120 by 72%
£290 by 45%
£29 by 17%
£83 by 39%
£54 by 24%
1m by 35%
190cm by 8%
610m by 53%
180cm by 15%
48m by 70%
$60 by 15%
120 by 5%
550 by 46%
$110 by 5%
27kg by 10%
36m by 34%
Score __/20