1. An algebraic expression is a mathematical sentence that doesn't have an equal sign.
We can use math terminology to translate verbal expressions into algebraic expressions.

2. Example One A number increased by 10 D). Two times a number plus 5
B) A number increased by another number
E) The difference of one number and 6
a + b
f - 6
C) 10 increased by a number
F) Four less than a number b.
10 + d
g - 4

3. You Try 1: Twice a number 2. Three times the sum of a number and six
3. The product of two numbers
B ∙ Z
4. The difference of twice a number and 9
2y - 9

4. You Try 1: 5. The quotient of 7 and a number
7. Three-fifths of a number y
6. Five times the sum of b and fourteen
8. Three times a number minus eight

5. Which expression represents “6 times a number decreased by 10”?

6. Which verbal expression represents x3 - x?
the sum of a number cubed and twice a number
the difference of a number and three times a number
the difference of a number cubed and 3
a number less than a number cubed

7. Which expression represents “the sum of -7 and four times a number”?

8. Which expression represents “four less than a number cubed”?

9. Which verbal expressions represents 2x + 4?
4 more than twice a number
a number increased by four
twice a number decreased by four
four less than twice a number

10. Which expression represents “21 less six times a number”?