WARMUPS

1
WARMUPS

• IF A 2 B 3, C 5 SOLVE
• A ( B C ) A ( C A)
• C x A
• (A x B)2 (A x B)
• C x C
• C (B x A) (A x A)

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HOMEWORK

• Page 60 1-30
• IF YOU CAN DO THESE YOU ARE A SUPER MATHEMATICIAN

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Algebraic Expressions and Integers
PRE-ALGEBRA CHAPTER 1
1. n 19 2. 3 10 3. 5x 4. y
5 5. 10 6. 56 7. 22 8. 18 9. 5
10. 9 11. 7 12. 15 13. lt 14. gt 15. lt 16. gt
17. 8 18. 4
19. 63 20. 9 21. 288 22. 8 23. 143 24. 68
25. 66 26. 180 27. 46
1-A
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Algebraic Expressions and Integers
PRE-ALGEBRA CHAPTER 1
28. 16 29. 26 30. 0 31. II 32. y-axis 33. III
34. (3, 2) 35. (1, 2) 36. (2, 0)
37. (2, 2) 38. a. 25j 15s b. 150 c.
2 39. D 40. 175 41. Start with 100 and
alternately subtract 10 and 5 55, 45,
40. 42. 15th floor
43. Place them on a number line and write them as
they appear from left to right.
1-A
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VARIABLES AND EXPRESSIONS

• CHAPTER 1-3

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VARIABLES

• VARIABLE
• IT IS A PLACEHOLDER
• IT IS USUALLY LETTERS
• A VARIABLE IS A LETTER OR SIGN THAT REPRESENTS A
  NUMERICAL VALUE.
• WE USE VARIABLES IN MATH SENTENCES OR EXPRESSIONS.

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WHAT IS AN EXPRESSION?

• AN EXPRESSION IS
• A COMBINATION OF NUMBERS
• A COMBINATION OF VARIABLES
• USES AT LEAST ONE MATH OPERATION
• ADD, SUBTRACT, DIVIDE, MULTIPLY

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REVIEW TOPICS 1ST QUARTER TEST

• CHAPTER 1-3

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WHAT ALGEBRAIC EXPRESSION EXPRESSES THE PRODUCT
OF 26 AND R?

• CHAPTER 1-3

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SOLVE 3X 2X 25 FOR X 15

• CHAPTER 1-3

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SOLVE 2(X2 4X 12) 4X
3FOR X -5

• CHAPTER 1-3

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SOLVE 53(R 1/2) FOR R 3

• CHAPTER 1-3

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SOLVE A3 AB B A BFOR
A -3 AND B 4

• CHAPTER 1-3

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WHAT PHRASE WOULD DESCRIBE THE ALGEBRAIC
EXPRESSION Z 3 ?

• CHAPTER 1-3

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SOLVE X 2X 15 FOR X -5

• CHAPTER 1-3

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SOLVE

• 5 (3 5) (6 5 - 15) 150

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REVIEW 1USE THE DISTRIBUTIVE PROPERTY TO
REWRITE-R ( R R2 3 S)
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REVIEW 2REWRITE THE EXPRESSION- ( - 4S2)
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REVIEW 3SIMPLIFY3R2 3R2 3R2 3R
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REVIEW 4SIMPLIFY(3ST2 x 3S2T x 4ST) 3ST
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REVIEW 5COMBINE THE TERMS4S Y - 6X 9
2S - 10
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REVIEW 6(2GS2 2G2 x 2GS2) 2G
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REVIEW 7SOLVE THE EQUATIOND -459
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REVIEW 8SOLVE THE EQUATION-15R - 150 5R
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REVIEW 9SOLVE THE EQUATION100 12 X - 44
26
REVIEW 10SOLVE THE EQUATIONX (-55) -75
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REVIEW 11SOLVE THE EQUATIONM 45 -3M
155
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REVIEW 12SOLVE THE EQUATIONR 24 5R 48
2R
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REVIEW 13SOLVE THE EQUATIONS 24 36
2S6
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REVIEW 14A 36 24 A 28 - A
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REVIEW 15150 10R 5R - 50
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HOMEWORK page 120 do 1-29 do odd

• IF YOU CAN DO THESE YOU ARE A SUPER MATHEMATICIAN