12. Evaluate the expression. 9.372 - y; y = 5.4
3.972
16. Each pound of red potatoes costs $0.74. How much will 6.5 pounds of red potatoes cost?
$4.81
4. The average speed of Earth as it orbits the sun is 18.5 miles per second. On average, how many miles does Earth travel in 60 seconds?
1,110 miles
17. Leroy warms up for 15 minutes before running laps. He runs each lap in 1.5 minutes. How many minutes, m, will it take him to warm up and run 4 laps?
It will take Leroy 21 minutes to warm up and run 4 laps.
9. The rod is a unit of length still used to measure some canoeing portages. One rod is equal to 16.5 feet. A canoe portage is 3.25 rods long. How many feet long is it?
53.625 ft
3. What is the difference between 21.4 and 8.56?
12.84
14. Solve the equation and check your answer. 32.68 + t = 45.742
t= 13.062
10. Mr. Jackson bought 42 bolts. Each bolt cost $0.48. How much did he spend for the bolts?
$20.16
11. Evaluate the expression. 5.38 + x; x = 2.94
8.32
2. What is the difference of r and 7.124 when the value of r is 30.9?
23.776
7. Which shows the value of g in the following equation? g - 5.4 = 16.63
g= 22.03
19. The sixth grade class is recycling aluminum cans. They have collected 32.5 pounds of aluminum cans. They will receive $0.27 for each pound. How much will they receive in all?
$8.78
6. There was already one inch of snow on the ground when the storm started. In the storm, 2.5 inches of snow fell every hour. How much snow was on the ground at the end of 4 hours of the storm?
11.0 in.
18. Ms. Sanchez drove 42.3 miles on Saturday and 74.1 miles on Sunday. About how many more miles did she drive on Sunday than on Saturday?
About 30 more miles
13. What is the value of m if m + 3.39 = 5.2?
m = 1.81
1. The table shows the estimated populations of three states in 2012. Which of the following is the best estimate of the difference between the populations of California and Texas?
12 million
5. A charity sold 5,958 tickets for a music concert. The price of each ticket was $9.91. Which is the best estimate of the total amount of money raised from the ticket sales?
$60,000
15. What is the value of n if n + 2.066 = 6?
n= 3.934
20. Alejandro had $447.75. He gave some money to his parents to save. Now Alejandro has $95.50. How much money did Alejandro give to his parents?
$352.25
8. Juli wants to buy 2.5 yards of fabric for a project. The fabric costs $5.88 per yard. About how much will the fabric for Juli’s project cost? Explain.
About 15 because 3 x 5 = 15