Percentages
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
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
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Quick tip – you can do this in one go
instead of subtracting on 17%
just find the other 83%
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