1. What is the number of sides of a polygon having the sum of the interior angles equal to 900º?

A. 3

B. 5

C. 7

D. 9

E. 11

Talk to your partner about the strategies students might use to answer the previous problem.

2. Given the equation ,what is the value of v when L = 50?

A. 105

B. 35

C. 15

D. 5

E. .

2L= ( v+140)7

2547

How well do your students substitute values for variables?

A. Not well

B. Somewhat well

C. Moderately well

D. Well

E. Very well

3. If k is 0, which one of the following is NOT a real number?

A. 6k

B. .C. k2

D. .E. .

6k

kk6

What percent of your students will correctly answer the previous question?

A. 0%B. 25%C. 50%D. 75%E. 100%

4. If the radius of a cylinder is doubled and the original height is maintained, what is true of the volume?

A. It is multiplied by 2

B. It is multiplied by π

C. It is multiplied by 4

D. It is multiplied by

E. It is multiplied by 2π

2

I drew a sketch to solve this problem.

True

False

5. A tank may be filled by water flowing at the same speed through a 1-inch diameter pipe or a 2-inch diameter pipe. The time required to fill the tank using the small pipe is how may times as long as the time required using the larger pipe?

A. 1

B. Twice as long

C. 3 times as long

D. 4 times as long

E. 5 times as long

1

2

Talk to a partner about how helpful a calculator would be in solving the previous problem.

6. Which are two numbers whose geometric mean is 6?

A. 18 and 1B. 4 and 8C. 12 and 0D. 9 and 4E. 8 and 2

Which two answers can be eliminated quickly? Why?

A. A and CB. A and EC. B and ED. C and DE. D and E

7. 10x • 10y =

A. 10xyB. 10x + 10yC. 10(x + y)D. 10xy

E. 10x+y

What rules of exponents might be reviewed after this question?

8. If 3x – y < -2, which of the following is an equivalent open sentence?

A. y > 2 + 3xB. y > 2 – 3x C. y < 2 + 3xD. y < 3x – 2E. None of these

Which answers are obviously invalid? Why?

A. A and BB. B and CC. A and DD. C and DE. B and D

9. If the diagonal of a face of a cube is 3 inches, how long is the edge of the cube in inches?

A. 4B. 5C. .D. .E. None of these

3 22

23

3

Talk with your partner about how you might use the previous question to talk about operations on radicals.

10. A collection of nickels, dimes, and quarters amounts to $4.50. If there are 57 coins in all and there are three times as many nickels as there are dimes, how many quarters are in the collection?

A. 2

B. 4

C. 5

D. 13

E. 16

What strategies were used to solve this problem?