Mastering Two-Step Equations: Solve for Unknowns!

Maria has 15 apples. She gives some to her friend and now has 7 apples left. How many apples did she give away?

• 5

• 10

• 12

• 8

A book costs $12. If you have $5 and you want to buy the book, how much more money do you need?

• $7

• $3

• $10

• $5

Tom is 4 years older than his sister. If his sister is x years old and together they are 20 years old, how old is Tom?

• 10

• 8

• 12

• 14

A box contains some chocolates. If you take out 8 chocolates, there are 12 left. How many chocolates were in the box originally?

• 25

• 15

• 18

• 20

Lily has $50. She spends $18 on a toy. How much money does she have left?

• $32

• $40

• $22

• $28

A rectangle has a perimeter of 36 cm. If the length is 2 cm more than the width, what are the dimensions of the rectangle?

• Width: 4 cm, Length: 6 cm

• Width: 8 cm, Length: 10 cm

• Width: 10 cm, Length: 12 cm

• Width: 6 cm, Length: 8 cm

In a class, there are twice as many girls as boys. If there are 18 students in total, how many boys are in the class?

• 4

• 6

• 10

• 8

A farmer has some chickens. If he buys 5 more and now has 20 chickens, how many did he have before?

• 10

• 18

• 15

• 25

A movie ticket costs $10. If you buy 3 tickets and pay with a $50 bill, how much change will you receive?

• $20

• $25

• $30

• $15

Samantha has a collection of stamps. If she buys 15 more stamps and now has 45 stamps, how many did she have before?

• 30

• 40

• 25

• 35