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Operations with Rational Numbers. Review Sheet 3. Question #1 . A wooden toy box is 48 inches long, 21 inches wide, and 18 inches high. What is the volume of the toy box in cubic feet?. Question #2.
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Operations with Rational Numbers Review Sheet 3
Question #1 • A wooden toy box is 48 inches long, 21 inches wide, and 18 inches high. What is the volume of the toy box in cubic feet?
Question #2 • Eric is making a wooden model of a flag. If his flag is to be 9 inches by 5 inches, what is a reasonable area for the square piece of wood he must purchase if he only wants to make one cut in the wood? • A. 36 square inches • B. 45 square inches • C. 64 square inches • D. 81 square inches
Question #3 • The salvation army was calculating the total weight of three boxes donated by Mrs. Boehme. The first box weighed 3.6 pounds, the second box weighed 4.25 pounds, and the third box weighed 6 1/3 pounds. What was the total weight of the three boxes?
Question #4 • Amanda’s closet is full of shoes. Being a math nerd, she decided to calculate the percentage of each type of shoe she had. She discovered that 35% of her shoes were flip flops, 25% of her shoes were boots, and 40% of the shoes were dress shoes. If there were 120 different types of shoes, how many were flip flops?
Question #5 • During last years playoff game between the Pittsburgh Steelers and the Denver Broncos, the temperature dropped from 2 degrees to -6 degrees in three hours. What was the change in temperature over that three hours?
Question #6 • A dolphin can swim at a rate of 35 mph. The relationship between a dolphins rate and the average humans rate can be found using the equation 3.5h + 14 = 35. Based on this information, how fast can a human run? • A. 3 mph • B. 6 mph • C. 9 mph • D. 5 mph
Question #7 • The equation y = 18x + 35 is used to determine the cost of dental work at a local dentists office, where “y” represents the total cost and “x” represents the number of hours worked. Based on this information, what would be the cost for 2 ½ hours of dental work?
Question #8 • Isabel wants to buy a new Monster High doll from Target that costs $49. She already has $12 in her piggy bank. If she earns $5 for every “A” she receives on her report card, which equation below could be used to determine how many A’s she would need to receive to buy the doll? • A. 12a + 5 = 49 • B. 5a – 12 = 49 • C. 49 = 12 – 5a • D. 49 = 12 + 5a