RATIO
PROPORTION
PERCENT
Riddle
100

There are 6 green apples and 7 red apples in a basket. What is the ratio of all apples in the basket to red apples?

13:7

100

Solve for w

2/4 = w/6

3

100

Write 1.6 as a percentage.

160%

100

 What has to be broken before you can use it?

An egg

200

The ratio of plates to bowls at a home store is 8:7 

There are 8 bowls to every 7 plates at the store.

True or False? 

FALSE

200

Solve for y 

(y-5)/10 = 4/5

y = 13

200

Write 86% as a fraction in simplest form.

43/50

200

I’m tall when I’m young, and I’m short when I’m old. What am I?
 

A candle

300

Write the ratio as a fraction in simplest form, with natural numbers in the numerator and denominator. 

36:27

4:3

300

78/x = 6 

13

300

Write 68% as a fraction in simplest form.

17/25

300

What goes up but never comes down?

Your age

400

A copy machine makes 187 copies in 4 minutes and 15 seconds. How many copies does it make per minute?

44 

400

Suppose a person is painting a fence and can paint 3 meters of the fence in 2 hours. If they want to paint the entire fence, which is 15 meters long, how many hours will it take to complete the job?

10

400

The price of an item has been reduced by 60%

The original price was $200.What is the price of the item now? 

80

400

I am an odd number. Take away a letter and I become even. What number am I?

SEVEN

500

A car travels at an average speed 88 of kilometers per hour. How many kilometers does it travel in 3 hours and 15 minutes?

286

500

In a school, the ratio of third-year students to fourth-year students is 5:2. If the total number of students in both years is 315, how many students are in the fourth year?

90

500

The price of an item has dropped to $570 today. Yesterday it was $950. Find the percentage decrease. 

40

500

What can you hold in your right hand, but never in your left hand?


Your left hand.

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