Change into...
Percentage of
Percentage change
Increase/Decrease
Challenges
(double points)
200

change 25% as a fraction in its simplest form

1/4

200

find 15% of $300

$45

200

find the percentage change when I sell a $30 item for $45

50% or 50% increase

200

increase $30 by 25%

$37.5

200

last year there were 60 students in lower 6. This year there are 30% more students in lower 6, how many students are there this year in lower 6? 

78 students

400

change 10% into a decimal

0.1

400

find 25% of 1250m

312.5m

400

find the percentage change if I take 30 minutes to do something that normally takes 45 minutes

-33.333...% or 33.333...% decrease

400

decrease 78m by 40%

46.8m

400

A TV normally costs $575. If in a sale all prices go down by 25%, what is the sale price of the same TV during a sale?

$431.25

600

change 0.45 into a fraction in its simplest form

9/20

600

find 18% of 1kg in grams

18g

600

find the percentage change from 185 to 130

-25% or 25% decrease

600

calculate the new price of a game if its on a 20% sale as a percentage

80%

600

Richard owns a coffee shop, he sold 4500 hot chocolates in February, he then sold 3% less in March, how many hot chocolates were sold over the two months?

8865 hot chocolates

800

change 9/8 into a decimal

1.125

800

find 30% of 30%

9%

800

A toy car is sold for $45, if it cost $25 to make the toy car, what's percentage change from the production cost?

80% or 80% increase

800

a store has decrease they products by 35%, if the original sale price of a bottle of perfume was €275 what is it's new sale price?

€178.75

800

a man normally takes 15 minutes to get to his work. If one of the days he took 25 minutes to get to work, how much longer did he take to arrive to work as a percentage.

66.67%

1000

change 1/3 into a percentage

33.333...%

1000

find 32% of $285

$91.2

1000

Originally it took 2 hours to complete a task. After several improvements it now takes 15 minutes. What is the percentage change after the improvements?

-87.5% or 87.5% decrease

1000

After several days of training, I've increased my run times by 20%. if I am now running for 2.5 hours, what was my run times, in minutes, at the start?

125 minutes

1000

over a 3 year period, a population of a town increased by 10% per year. if it started at 1000 people, how many people were there by the tenth year?

1331

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