Rational Numbers
What is the decimal equivalent of 11/20?
0.55
29 + (-28)
41 - 275
-234
3.2 - (-5.7)
8.9
-12 x -20
240
-81 / -9
9
-3/5 / 2 1/4
-4/15
Peter signed up for a program that costs $10.50 per month to stream movies to his computer. He decided to cancel his service after 5/6 of a month. He only has to pay for the amount of time he used the service. What number represents the total change in the amount of money Peter has after paying for the service?
-10.50 x 5/6 = $-8 3/4 or $-8.75
What is the decimal equivalent of -25/20?
-1.25
-89 + 89
0
-9 - (-5)
-4
-0.35 - (-0.25)
-0.10 or -.10
-18 x 5
-90
-123 / 4
-30 3/4
-2/7 / 1 1/3
-3/14
In 9 rounds of a game, Jill scored -9, 8, -10, 7, 2, 3, 4, -8, and 12. What integer represents her average score for the 9 rounds?
1
What is the decimal equivalent of 7 7/9? Use a bar over any repeating digits?
7.7 with a bar over the 7 in the tenths place
-66 + 42
-24
-72 - (-151)
79
50 1/2 + (-12.3). Represent the answer as a decimal.
38.2
19 x -11
-209
-60 / -2 / -3
-10
-3 1/2 / 4 1/3
-21/26
What is the decimal equivalent of -60/22?
-2.72 with a bar over the 7 and 2 in the tenths and hundredths place
John's rowboat drifts 23 feet from shore, followed by 11 more feet. The rowboat's current position can be represented by (-23) + (-11). What integer represents the rowboat's position?
-34
612 - (-144)
756
-12 1/2 + 7 1/2
-5
-5 x (-9) x (-4)
-180
-240 / -40
6
4 1/8 / -2 1/4
-1 5/6
Write the decimal equivalent of -6 7/8?
-6.875
What is (-156) + 98?
-58
-987 - (-1000)
13
-7 1/3 + -8 2/5
-15 11/15
-6 x (-2) x (-12) x (-6)
864
-94 / 4
-23 1/2
9 1/2 / -2 4/5
-3 11/28
What is the decimal equivalent of 19 11/16?
19.6875
-987 + 234
-753
-78 - 1,985
-2,063
-60.35 + 12 3/8 = ________.
-47.975
-12 x (-3) x (-6) x 10 = ___________.
-2,160
-200 / -5 / -2 / 2
-10
12 1/2 / -6 3/4
-1 23/27