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