Rational Numbers
Write the decimal equivalent for 5/8
0.625
109 + (-162)
-155
Which expression has a product of -20?
-2 * -10 or 5 * -4
5 * -4
What is the opposite of the integer −12?
12
Dominic buys 4 books at $13 per book. What integer represents the total change in the amount of money Dominic has?
-$52
Write the decimal equivalent for 8/11.
0.7272...
-17 - 44
-61
Which expression has a quotient of -6?
-18/3 or -36 ÷ -6
-18/3
Which 2 numbers has an absolute value of 8?
8 and -8
Tanner rolls a ball down a ramp that is 18 feet long. If the ball rolls down 2 feet each second, what integer represents the amount of time, in seconds, the ball takes to reach the end of the ramp?
9 seconds
Which fraction's decimal equivalent repeats, 13/65 or 11/12?
11/12
-2.63 + 3 1/4
0.62
-2 2/3 * -4 3/7
11 17/21
A submarine is at an elevation of −200 feet relative to sea level. It then rises 75 feet. What is its new elevation?
−125 feet
*** DAILY DOUBLE ***
A boat drops an anchor 17.5 feet to the bottom of a lake. If the anchor falls at a rate of 0.07 feet each second, how long will it take the anchor to reach the bottom of the lake?
250 seconds
Which fraction's decimal equivalent repeats, 141/47 or 19/3?
19/3
*** DAILY DOUBLE ***
-4 1/2 - (-1.07)
-3.43
8/9 ÷ -1 4/15
-120/171 or -40/57
On a particularly cold day, the temperature in the morning was −10∘F. By noon, the temperature had risen to 5∘F. What was the change in temperature?
15∘F
Kazley signed up for a program that costs $10.50 per month to stream movies to her computer. She decided to cancel her service after only 5/6 of the month. She only has to pay for the time she used the service. How much will she end up paying?
$8.75
Give me a definition of a rational number.
Any number that can be written as a fraction (or ratio) of two integers, where the denominator is not zero.
0.74 + (-3/5)
0.14
-3.6 ÷ 2 1/7
-1 17/25
A deep-sea diver is at an elevation of −35 feet. The diver then descends at a constant rate of −5 feet per minute for 6 minutes. What is the diver's new elevation?
−65 feet
A half-marathon is 13.1 miles long. There is a water station every 1 1/3 miles along the race trail and at the finish line. How many water stations are needed for this half-marathon?
10 stations