Translating between Words and Math

1. Translating between Words and Math By Tom Eheman

2. x minus 6 • 6 subtracted from x • Subtract 6 from x • 6 less than x • x decreased by 6 • - Take 6 from x • 4 times x • x multiplied by 4 • - The product of 4 and x • x divided by 2 • The quotient of x with a divisor of 2 • - x divided into 2 equal groups • x plus 15 • Add 15 to x • The sum of x and 15 • - x increased by 15

3. Subtraction The words less than or from switch the order when writing subtraction expressions! 4 less x 4 – x 4 less than x x – 4 subtract 4 from x x – 4

4. Tables Write an expression for the missing value in the table. When Spike is age a, what age is Rusty? 2 + 4 = 6 3 + 4 = 7 4 + 4 = 8 a + 4 When Spike’s age is a, Rusty’s age is a + 4

5. Practice Write an expression for the sequence in the table. 8n

6. Practice A baseball player earns $100 dollars each game he plays in, plus $20 for each homerun he hits. Write an algebraic expression for how much money he earns each game. 100 + 20h

7. Practice The school store sells jolly ranchers from its stock of 225. Write an algebraic expression for the number of jolly ranchers the school store has in stock after selling jolly ranchers. 225 - s

8. Practice Write an expression for the sequence in the table. n + 2

9. Practice Write an expression for the sequence in the table. n ÷ 2

10. Practice Write a phrase for each algebraic expression: • r + 13 • h • 5 • 7w • z - 4

11. Practice Write a an algebraic expression for each phrase: • 1) 6 multiplied by x • 2) 7 less than d • 3) z divided by 3 • 4) 2 plus g

12. Practice Write an expression for the sequence in the table. n – 1

13. Practice Write an expression for the sequence in the table. 5n