Real-Life Variables: Interpret & Check Your Answers!

1. Sarah has x apples. If she buys 5 more apples, how many apples does she have now? Interpret the context and define x.

• x + 5

• 5 - x

• x + 10

• x - 5

2. A book costs y dollars. If you buy 3 books, how much do you spend in total? Define y and check if your answer makes sense.

• 6y

• 3y

• 2y

• y+3

3. Tom has z marbles. If he gives away 10 marbles, he has 15 left. What is the value of z? Define z and verify your solution.

• 30

• 25

• 15

• 20

4. A box can hold w toys. If you have 4 boxes, how many toys can you store? Define w and check if your answer is reasonable.

• 2w

• w

• 4w

• 8w

5. Lisa read m pages of a book each day. If she reads for 5 days, how many pages does she read in total? Define m and check your answer.

• m*5

• m+5

• 5m

• 10m

6. There are n students in a class. If 3 students are absent, how many students are present? Define n and ensure your answer is logical.

• n - 3

• n - 2

• n + 3

• n - 1

7. A car travels p miles per hour. If it travels for 2 hours, how far does it go? Define p and check if your answer is reasonable.

• p miles

• 2p + 1 miles

• 4p miles

• 2p miles

8. A pizza has q slices. If you eat 2 slices, how many slices are left? Define q and verify your solution.

• q - 1

• 2 slices left

• q - 2

• q + 2

9. If a pencil costs r dollars, how much do 10 pencils cost? Define r and check if your answer is sensible.

• 15r dollars

• 5r dollars

• 10r dollars

• r dollars

10. A garden has s flowers. If 5 flowers bloom, how many flowers are still closed? Define s and ensure your answer is logical.

• 5 - s

• s - 10

• s + 5

• s - 5