- 1. Simplify the following expression , 20 - 10 / 2
A) 15
B) -18
C) all
D) 12
E) 5
- 2. Simplify the following expression, 20+(-4+1)
A) 20
B) 27
C) 17
D) none
E) 23
A) 31
B) 21
C) 19
D) 27
E) none
- 4. Evaluate the expression 12y-9 when y = 4
A) 39
B) 12x
C) none
D) 23
E) 45
- 5. evaluate the expression 5m-11, when m = 7
A) 24
B) 23
C) none
D) 45
E) 78
- 6. in the term 134ym, identify the coefficient
A) none
B) 134
C) y
D) x
E) m
- 7. The product of m and 6 divided by 4
A) m+6/4
B) none
C) 4/6m
D) 6+ m4
E) 6m/4
A) none
B) y/4
C) 4y
D) 4/y
E) 4-y
- 9. The difference of y and 7 divided by 2
A) (7-y)/2
B) 14-2y
C) (y-7)/2
D) none
E) 14-y
- 10. What expression is represented? 5 less than some number
A) s-5
B) y-5
C) n-5
D) m-5
E) all could work
- 11. Which expression is represented? Half a number decreased by 9
A) 9-2n
B) none
C) 9-n/2
D) n/2 - 9
E) 1/1-9
- 12. Which of these is equivalent to 3(y + r + 4)
A) 3yr = 4
B) 3y+r+4
C) none
D) yr + 12
E) 3y+3r+12
- 13. Given the expression 3 + 6, which property is shown if rewritten as 6 + 3
A) Multiplicative Identity
B) none
C) difference
D) associative
E) commutitive
- 14. Which symbol is not associated with expressions?
A) powers
B) equals sign
C) Mr. Miller's Cadillac
D) Order of operations
E) Distributive property
- 15. In the equation 5w=90, what is the solution?
A) 18
B) There is no solution
C) 905
D) who cares
E) 85
- 16. Alejandro has 24 bagels to sell. He already sold 9. Which equation could represent this situation?
A) 9b=24
B) 9+b=24
C) 24 - 9-n=24
D) 9-b=24
E) none
- 17. (Fill in the blank) The additive Identity property basically says that if you ____ to the original value, you get that value back
A) none
B) mulitply by zero
C) multiply by 1
D) add zero
E) divide by 1
- 18. Which answer shows the associative property? (2+4)+6
A) none
B) 6+6
C) (2+6)+4
D) 6+ (2+4)
E) 12
- 19. Six less than seven times some number is shown by which expression?
A) none
B) 7n-6
C) 6-7n
D) 7n=6
E) 7n/6
- 20. A square has a perimeter of 20 feet. If y represents the length of one side, which expression(s) would work?
A) 2y+2y
B) 4y
C) none
D) y+y+y+y
E) Three of these answers work
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