Fractions
Decimals
Ratios
Geometry
Brain Teasers
100

Simplify 12/18

2/3

100

4.6 + 2.2 = ?

6.8

100

Find the missing number.

3:5 = ?:20

12

100

What is the area of a rectangle length 8 and width 5?

40

100

A farmer has 17 sheep. All but 9 die. How many are left?

9 sheep

200

3/4 x 2/3 = ?

6/12 = 1/2

200

7.2 - 3.85 = ?

3.35

200

A classroom has 6 girls and 9 boys. What is the ratio in its simpliest form?

2:3

200

What is the area of a triangle base 12 and height 6?

36

200

What gets wetter the more it dries?

A towel?

300

3/5 / 1/10 = ?

3/5 x 10/1 = 30/5 = 6

300

2.5 x 1.2 = ?

3.0

300

If 5 notebooks cost $15, how much do 8 notebooks cost?

$24

300

What is the perimeter of a rectangle base 10 and height 4?

28

300

The more you take, the more you leave behind. What am I?

Footsteps

400

A recipe calls for 2/3 cups of milk. You only want to make half of the recipe. How much milk do you need?

2/3 x 1/2 = 1/3 cup

400

4.8 / 1.2 = ?

4.0

400

Which ratio is larger? 2/5 or 7/15?

7/15

400

What is the area of a rectangle height 1/3 width 12?

4

400

A bat and a ball costs $1.10. The bat costs $1.00 more than the ball. How much does the ball cost?

The ball costs 5 cents and the bat costs $1.10.

500

Emma ate 3/8 of a pizza. Her sister ate 1/4 of the pizza. Who ate more? How much is left?

Emma ate 1/8 more.

3/8 of the pizza remains.

500
A shirt costs $18.75. You want to buy 2 shirts. How much do you spend?

$37.50

500

A recipe uses 3 cups of flour for 8 cookies. How many cups of flour are needed for 24 cookies?

9 cups

500

What is the area of a triangle width 2/3 height 3/4?

1/4

500

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

Seven