Find the Missing Value: Real-World Equations for 6th Graders

1. Sarah has x apples. If she buys 5 more apples, she will have 12 apples. How many apples did she start with?

• 10

• 8

• 6

• 7

2. A book costs x dollars. If you buy 3 books and spend 24 dollars, how much does each book cost?

• 6 dollars

• 8 dollars

• 10 dollars

• 12 dollars

3. Tom is x years old. If he is 4 years younger than his brother who is 15, how old is Tom?

• 11

• 10

• 12

• 14

4. A rectangle has a length of x meters. If the width is 3 meters and the perimeter is 30 meters, what is the length of the rectangle?

• 12 meters

• 8 meters

• 15 meters

• 10 meters

5. Lisa has x stickers. If she gives away 7 stickers and has 13 left, how many stickers did she have originally?

• 18

• 15

• 25

• 20

6. The total cost of x pencils is 20 dollars. If each pencil costs 2 dollars, how many pencils did Lisa buy?

• 5

• 10

• 15

• 12

7. A train travels x miles in 2 hours. If it travels at a speed of 60 miles per hour, how far does it travel in that time?

• 100 miles

• 80 miles

• 120 miles

• 150 miles

8. A box contains x toys. If you add 10 more toys and now have 25 toys, how many toys were in the box originally?

• 10

• 5

• 15

• 20

9. The temperature is x degrees. If it increases by 15 degrees and reaches 30 degrees, what was the original temperature?

• 10 degrees

• 15 degrees

• 20 degrees

• 25 degrees

10. A car can travel x miles on a full tank. If it can travel 300 miles and the tank holds 15 gallons, how many miles can it travel per gallon?

• 15 miles per gallon

• 30 miles per gallon

• 25 miles per gallon

• 20 miles per gallon