Solve One-Step Equations: Find the Unknown Value!

Maria has some apples. If she buys 5 more apples, she will have 12 apples. How many apples did she start with?

• 8

• 6

• 10

• 7

A book costs $15. If you have $x, how much more money do you need to buy the book?

• 15 - x

• 15 + x

• x + 15

• x - 15

Tom has 20 marbles. He gives away some marbles to his friend and now has 12 left. How many marbles did he give away?

• 5

• 10

• 15

• 8

A box contains x chocolates. If you eat 3 chocolates, there are 10 left. How many chocolates were in the box originally?

• 10

• 20

• 13

• 15

Lily is 3 years older than her brother. If her brother is x years old, how old is Lily?

• x - 3

• x + 2

• x + 3

• x + 5

A car travels 60 miles in one hour. If it travels for x hours, how far does it go?

• 60x miles

• x miles

• 60 + x miles

• 30x miles

The temperature was 5 degrees in the morning. If it rises by x degrees and becomes 15 degrees, what is the value of x?

• 10

• 15

• 5

• 20

A gardener planted x flowers. If he plants 4 more flowers, he will have 20 flowers in total. How many flowers did he plant initially?

• 18

• 16

• 12

• 14

A pizza has x slices. If you eat 2 slices, there are 6 slices left. How many slices were there originally?

• 4

• 8

• 10

• 6

A movie ticket costs $10. If you have $x, how much more do you need to buy 3 tickets?

• 20 - x

• 30 - x

• 15 - x

• 25 - x