Write the fraction as a decimal. Then identify the decimal as terminating or repeating.
3/5?
0.6; terminating
100
Without doing the computation, explain why or why not 12.702 is a reasonable value for the expression 5.8 ⋅ 2.19.
The answer is reasonable. 5.8 rounds to 6; 2.19 rounds to 2; and 6 × 2 = 12, which is close to 12.702.
200
4.35 + 3.8 + 4.129 + 3.672
16
200
0.17 ⋅ 0.6
0.102
200
132 and 1/6 − 99 and 5/6
32 and 1/3
200
Write the fraction as a decimal. Then identify the decimal as terminating or repeating.
1/6?
0.16¯; repeating
200
17.129 − 9.7
7
300
0.34 + 495.5 + 99.008
594.848
300
14.127 ÷ 5.1
2.77
300
1/10 x 3/11
3/110
300
What is 10/11 as a decimal?
0.90; repeating.
300
Nilsa converted 1/12 to a repeating decimal and wrote 0.083 (with the bar over both the 8 and the 3) as the answer. What error did she make?
Only the 3 repeats, so the bar should only go over the 3: 0.083¯
400
At one time, the world record for running 100 yd backward was 13.5 seconds. If the record is now 12.7 seconds, how many seconds faster is the new record?
0.8 Second
400
Three people bought books for a total of $12.42. If they shared the cost equally, how much did each person pay?
$6.21
$4.14
$4.00
$4.52
$4.14
400
21 divided by 3 and 1/2
6
400
Two turtles are competing in a race. Turtle A reaches the finish line in 1 and 3/7 hours. Turtle B finished in 1 and 2/5 hours. Which turtle had the faster time?
Turtle B
400
In 1985, American swimmer Tom Jager completed a 50-meter freestyle swim in 22.40 seconds. In 1990, he was able to complete the swim in 21.81 seconds. How many seconds slower was his 1985 swim?
0.59 second
500
Linda is running in a marathon, which is 26.2 miles long. Checkpoint 1 is 3 miles past the start; checkpoint 2 is 2.5 miles after checkpoint 1; and checkpoint 3 is 3.75 miles after checkpoint 2. When Linda makes it to checkpoint 3, how many miles does she have to run to complete the marathon?
16.95 miles
500
Daniel is buying a video game that costs $52.99. The sales tax is found by multiplying the cost of the video game by 0.07. How much is the sales tax for the video game? What is the total cost, including tax?
$3.71; $56.70
500
Carrie has a 10-ft plank of wood. She wants to cut 3 pieces that are each 2 and 2/3 feet long from the plank. How long will the plank be after she cuts off the three pieces?
2 ft.
500
Order the numbers from least to greatest:
1 and 4/5,1.78,1 and 5/6,7/4,1 and 8/11
1 and 5/6, 1 and 8/11, 7/4, 1.78, 1 and 4/5
500
Cory earns $9.50 per hour for the first 40 hours he works in a week. For any hours over 40 hours per week, his hourly rate is multiplied by 1.5. How much does he earn if he works 43.5 hours in one week?