Solving Real-Life Two-Step Equations: Check Your Work!

Maria has 12 apples. She gives away some apples and now has 5 left. How many apples did she give away? (Equation: x + 5 = 12)

• 6

• 8

• 7

• 10

A book costs $15. If you have $5, how much more do you need to buy the book? (Equation: x + 5 = 15)

• 10

• 5

• 20

• 15

Tom is 3 years older than his sister. If his sister is x years old, how old is Tom when his sister is 10? (Equation: x + 3 = 10)

• 12

• 10

• 13

• 15

A rectangle has a perimeter of 30 cm. If the length is 2 cm more than the width, what are the dimensions of the rectangle? (Equation: 2x + 2(x + 2) = 30)

• Width: 5 cm, Length: 7 cm

• Width: 6.5 cm, Length: 8.5 cm

• Width: 7 cm, Length: 9 cm

• Width: 4 cm, Length: 6 cm

Lily has twice as many marbles as Jake. If Jake has 8 marbles, how many does Lily have? (Equation: 2x = 8)

• 20

• 16

• 12

• 10

The sum of a number and 7 is 20. What is the number? (Equation: x + 7 = 20)

• 10

• 5

• 13

• 15

A farmer has 50 apples. He sells some and has 30 left. How many apples did he sell? (Equation: 50 - x = 30)

• 25

• 15

• 20

• 10

A box contains x candies. If you add 15 more candies, the total becomes 50. How many candies were in the box originally? (Equation: x + 15 = 50)

• 35

• 25

• 30

• 40

A bicycle costs $120. If you save $30 each month, how many months will it take to buy the bicycle? (Equation: 30x = 120)

• 6 months

• 8 months

• 4 months

• 2 months