Mastering Two-Step Equations: Inverse Operations Fun

Maria has 12 apples. She gives some to her friend and now has 5 apples left. How many apples did she give away?

• 6

• 4

• 3

• 7

A book costs $15. If you have $5 and you earn some money, you can buy the book. How much money do you need to earn?

• 10

• 20

• 15

• 5

Tom is 3 years older than his sister. If his sister is x years old and together they are 21 years old, how old is Tom?

• 12

• 10

• 8

• 15

A box contains some chocolates. If you take out 8 chocolates, there are 20 left. How many chocolates were in the box originally?

• 30

• 18

• 24

• 28

Lily has twice as many stickers as Jake. If Jake has 10 stickers, how many stickers does Lily have?

• 15

• 25

• 20

• 30

A car travels 60 miles in 1 hour. If it travels for 2 hours and then stops for 30 minutes, how far has it traveled?

• 90 miles

• 150 miles

• 100 miles

• 120 miles

The sum of a number and 7 is 15. What is the number?

• 8

• 10

• 6

• 12

A rectangle has a length of 10 cm and a width that is 4 cm less than the length. What is the width of the rectangle?

• 8 cm

• 6 cm

• 5 cm

• 7 cm

If you buy 3 notebooks and 2 pens for $10, and each notebook costs $2, how much does each pen cost?

• $2

• $4

• $1

• $3

A farmer has some chickens and cows. If he has 10 animals in total and there are 4 more chickens than cows, how many cows does he have?

• 5

• 3

• 4

• 2