1. Section 4-1

2. 1. Objective: Write verbal phrases and sentences as simple algebraic expressions and equations.

3. 2.Expression: a combination of variables, numbers, and at least one operation.

4. 3. Equation: Same as an expression but will have an equal sign.

5. 4. The word is means =.

6. 5. Addition words: Plus Sum More than Increased by In all

7. Examples: A number increased by 3 N + 3 Three more runs than the Pirates scored. P + 3

8. 6. Subtraction words: Minus Difference Less than Less Decreased by

9. Examples: Five dollars less than Jennifer earned. D – 5 7 decreased by 2 7-2

10. 7. When the word than is in a phrase, you write it backwards.

11. The Than Family (Write it Backwards) The than family is dysfunctional – Write backwards

12. 8. Multiplication Words: Times Product Multiplied Twice, Tripled, ect…. Each

13. Examples: Twice a number 2x The product of 4 and a number 4n

14. 9. Division words: Divided Quotient Per separate

15. Emily’s age divided by 3 𝒆𝟑 125 students separated into n classes. 𝟏𝟐𝟓𝒏

16. 15 + t Fifteen increased by t

17. J-9 Nine dollars less than j

18. 8r The product of r and 8

19. 𝑳𝟑 Larry’s age divided by 3

20. N+4 = -8 The sum of a number and four is -8

21. 5d=-20 The product of a number and five is -20

22. h-10 = 26 Ten inches less than her height equals 26.

23. 2a + 7=51 Seven more than twice his age is 51.

24. C + 2 = 4 Two more than the number of cookies is 4.

25. 10k = 280 Ten times the number of students is 280.

26. N-5 = 31 Five less than a number equals 31.

27. 2z + 3 = 15 Three more than twice a number is 15.