1.1.1 Variables and Expressions − Worksheet
Example 1:
Give two ways to write each algebraic expression in words. 1. n − 5 2. f 3 3. c + 15
4. 9 − y
5. x
6. t + 12
7. 8 x
8. x − 3
12
Example 2:
9. George drives at 45 mi/h. Write an expression for the number of miles George travels in h hours.
10. The length of a rectangle is 4 units greater than its width w . Write an expression for the length of the rectangle.
Example 3:
Evaluate each expression for a = 3, b = 4, and c = 2. 11. a − c 12. ab
13. b ÷ c
14. ac
Example 4:
15. Brianna practices the piano 30 minutes each day. a. Write an expression for the number of hours she practices in d days.
b. Find the number of hours Brianna practices in 2, 4, and 10 days.
12
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