Ratio Laws
Multiplication and Division
Addition and Subtraction
Percentages
Animal Groups
100

Simplify the ratio 4:2.

2:1

100

What is 5 multiplied by 3?

15

100

What is the sum of 8 and 5?

13

100

What is 10% of 50?

5

100

What is a group of fish swimming together called?

School

200

If a recipe calls for a ratio of 3 parts flour to 1 part sugar, how much sugar is needed for 9 parts flour?

3 parts sugar

200

Divide 36 by 6

6

200

Subtract 7 from 15.

8

200

What is 50% of 120?

60

200

What do you call a group of lions?

Pride

300

Simplify the ratio 15:5

3:1

300

What is 7 multiplied by 8?

56

300

What is 45 plus 27?

72

300

What is 25% of 80? 

20

300

What is a group of wolves known as?

Pack

400

The ratio of red to blue marbles is 5:3. If there are 20 red marbles, how many blue marbles are there?

 12 blue marbles

400

Divide 81 by 9.

9

400

What is 100 minus 58?

42

400

A shirt costs $40, and there is a 15% discount. What is the discount amount?

$6

400

What is the term for a group of owls?

Parliament

500

A bag contains red, green, and blue balls in the ratio 4:5:6. If there are 30 blue balls, how many total balls are in the bag?

75 balls

500

If a car travels at a speed of 60 km/h, how far does it travel in 4.5 hours?

270 km

500

Add 123, 89, and 47.

259

500

If a population increases by 20% from 500, what is the new population?

600

500

What do you call a group of flamingos?

flamboyance

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