Inverse Operation
Mild
Medium
Spicy
Random
100

X - 3 = 9

Addition.

x -3 +3 = 9+3

x = 9+3


100

x+5=12

x = 7

100

3x = 9

x = 3

100

12x = 132

x = 11

100

Who created the Harry Potter book series?

J.K. Rowling

200

x + 9 = 21

subtraction.

x + 9 - 9 = 21 - 9

200

x−4=10

x = 14

200

x ÷ 4 = 5

x = 20

200

x ÷ 7 = 8

x = 56

200

How many bones are there in the human body?

206

300

5x = 25

Division

5x ÷ 5 = 25 ÷ 5

x = 25

300

x+18=45

x = 27

300

9x=36

x = 4

300

7x = 84

x = 12

300

In which country would you find the Great Barrier Reef?

Australia

400

x ÷ 7 = 11

Multiplication

x ÷ 7 (7) = 11 (7)


400

17 - x = 5

x = 12

400

x ÷ 7 = 9

x = 63

400

12x = 60

x = 5

400

What is the capital city of Canada?

Ottawa

500

A pizza shop sells each slice for $3. If Mr.McDonald bought x slices for $18, how many slices did he buy?

Division

500

After giving away 6 apples, there are 14 apples left. How many apples were originally in the basket?

x = 20

500

Hannah paid $36 for some craft supplies. If each item costs $6, how many items did she buy?

x = 6

500

After reading 27 pages, Rick still has 73 pages left to read. How many pages does the book have in total?

x = 100

500

What is Mr.McDonald's dog's name?

Atlas