1.
Simplify:

Choose:
 336 204 -276 -336

2.
The altitude of a soaring glider changed -420 feet in 10 minutes. What was the mean change of altitude in feet per minute?

Choose:
 42 -42 70 -70

3.
To which of the following questions could the answer be zero?
Choose:
 The temperature in the morning was -10º F and it rose to +10º F by afternoon. By how much did the temperature rise between these two readings? Elevation changes from -60 feet to + 60 feet. By how many feet does this elevation change? From a cliff 7 feet above a pond, a diver jumps into the pond, sinks 7 feet into the water, and then swims up to the surface. How many feet does the diver swim? From a starting point, a hiker walks 5.4 miles due west. He then walks 5.4 miles due east. How many miles is the hiker now from his starting point?

4.
The number line shown below indicates the location of point A.
If the distance between point B and point A is 3½ units, which number could represent the location of point B?

Choose:
 3½ 1½ -2½ -4½

5.
Simplify:

Choose:

 6. Which expressions are equivalent to ? (Check all that apply!)

7.
Which situation could use the quotient of -36 ÷ 4 to answer the question?

Choose:
 A candy jar contains 36 candies. If each child takes 4 cookies, how many children can take cookies from the jar? Alan withdrew \$36 from his bank account over 4 days. If he withdrew the same amount each day, by how much did the amount in his account change each day? During a card game of Gin Rummy, Carly lost 36 points on the first hand, but gained 4 points on the second hand. How many total points did she gain on the two hands? During an experiment, the temperature of a beaker decreased 36º per hour for 4 hours. What was the overall change of the temperature of the beaker?

8.
Simplify:

Choose:
 -39 -9 15 39

 9. Which expressions have positive products? (Check all that apply!) (-14)(0.12)(-8) (7)(-4)(-9)(3) (-3.2)(-5.6)(2.9)(-0.4)

10.
A number, n, is multiplied by .
If this product is -0.25, what is the value of n?

Choose:

11.
Find the value of:
Choose:

 12. Which expressions are equivalent to -5 - (1.25 + 4.5)? (Check all that apply!) - (1.25 + 4.5) - 5 -(5 - 1.25) + 4.5 - (1.25 + 4.5) +5 -5 - (4.5 + 1.25) (1.25 + 4.5) - 5 -5 + (-1.25 + 4.5)

13.
Find:

Choose:

14.
Find:

Choose:
 15 30 60 90

15.
Which expression is equivalent to 5 - (- 4)?

Choose:
 4 + 5 5 - 4 -4 - 5 -5 + 4

16.
A seagull flying feet above the surface of a pond spots a fish feet below the surface of the pond. What is the distance, in feet, between the seagull and the fish?
Choose:

17.
Simplify: -4(3n - 1) - 4n

Choose:
 -12n -20n -16n - 4 -16n + 4

18.
Simplify:
Choose:

19.
Nicole had \$10 in her checking account. She wrote a check for \$54.00. The bank charged her a fee of \$15.95 for being overdrawn. What was the new status of her account after these occurrences?

Choose:
 + \$59.95 \$59.95       in debt + \$79.95 \$79.95       in debt

20.
A proton has a charge of positive one. An electron has a charge of negative one. What is the total charge of an ion with 42 protons and 38 electrons?

Choose:
 80 4 - 4 -80