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Rational Number Operations
Test Description: I can solve problems involving fractions, decimals, percents, and integers.
Instructions: Answer all questions to get your test result.
1) Riley has $47.00 in her checking account. If she withdraws $55.00 what will Riley's balance be?
A
-$102.00
B
$102.00
C
-$8.00
D
$8.00
2) Mrs. Garcia bought 144 pencils for her math students. If she gave away 1/3 of her pencils in one week, how many does she have left?
A
48 pencils
B
96 pencils
C
33 pencils
D
66 pencils
3) Fernando paid for 8 bags of mulch to be delivered to his house. Each bag of mulch costs $3.75. The delivery fee is $15.99. How much does Fernando pay for the mulch including delivery?
A
$157.92
B
$45.99
C
$30.00
D
$19.74
4) In Anchorage, Alaska, the temperature was -14°F in the morning. If the temperature dropped 7°F, what is the temperature now?
A
21°F
B
-21°F
C
-7°F
D
7°F
5) The 25 students in the robotics club want to raise $650 to buy robot parts. They have already raised $116.25. If each student raises the same amount, how much more money must each student raise?
A
$30.65
B
$533.75
C
$21.35
D
$4.65
6) Natalie and her three friends decide to evenly split the cost of lunch. If the total bill was $34.56, how much did each person pay? Round to the nearest cent.
A
$11.52
B
$10.56
C
$17.28
D
$8.64
7) The choir students at Morgan Middle School sold 450 candy bars during a fundraiser. The 6th graders sold 1/3 of the candy bars. The 7th graders sold 2/5 of the candy bars. How many candy bars did the 8th graders sell?
A
150 candy bars
B
330 candy bars
C
120 candy bars
D
180 candy bars
8) A submarine that is 225 feet below sea level descends 67 feet and then ascends 110 feet. Which integer represents the current location of the submarine?
A
-268 feet
B
-402 feet
C
268 feet
D
-182 feet
9) The January record high temperature in Austin, Texas is 90°F. The January record low temperature is -2°F . What is the difference between the record high and low temperatures?
A
-88°F
B
88°F
C
-92°F
D
92°F
10) Bryan works at Game Galaxy. Last month, he had gross earnings of $328.60 on his check stub. If federal taxes are 14% of his gross earnings, how much money was taken out of his paycheck for taxes? Round to the nearest cent.
A
$14.00
B
$46.00
C
$188.60
D
$282.60
11) Jesse had 500 baseball cards in his collection. He sold 25% of his collection. He then gave his brother 2/5 of the remaining cards. How many baseball cards does Jesse have left?
A
150 cards
B
225 cards
C
275 cards
D
125 cards
12) Mrs. Rhodes drove a total of 487.5 miles in 7.5 hours to visit her cousins. What was her average speed per hour?
A
70 miles per hour
B
55 miles per hour
C
60 miles per hour
D
65 miles per hour
*select an answer for all questions
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