Percentages

Hong Kong

Stage 1 - Stage 3

We want to increase $1300$1300 by $40%$40% by following the steps outlined below.

a

First find $40%$40% of $1300$1300.

b

Add the percentage increase to the original amount to find the amount after the increase.

c

Calculate $140%$140% of $1300$1300.

d

Is increasing an amount by $40%$40% equivalent to finding $140%$140% of that amount?

Yes

A

No

B

Easy

2min

By what percentage should a quantity be multiplied with in order to increase it by $17%$17%?

Easy

< 1min

By what percentage should a quantity be multiplied in order to increase it by $50%$50%?

Easy

< 1min

We want to decrease $1500$1500 by $15%$15% by following the steps outlined below.

Easy

1min

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