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This game offers students an opportunity to practice calculating fractions and percentages of amounts.
For some students it may be appropriate to have access to calculators or pencil and paper, or you could challenge students to work out the calculations in their heads.
Bring the class together and ask for any tips or strategies that help with the game.
You could invite students to create their own sets of cards that they can share and use to play their own versions of the game.
Which fractions and percentages are easy to work out?
Which are more difficult?
If you know 10% of a quantity, how could you work out 30%? 5%? 15%?
Students could work on Matching Fractions, Decimals and Percentages first.
If the base of a rectangle is increased by 10% and the area is unchanged, by what percentage is the width decreased by ?
Equal circles can be arranged so that each circle touches four or six others. What percentage of the plane is covered by circles in each packing pattern? ...
Prove that the shaded area of the semicircle is equal to the area of the inner circle.