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