Add and Subtract Rational Numbers
Simplify:
-35 + 22 - 51 + (-4)
-68
A decimal that stops
terminating decimal
Jane scored a 20 out of 27 on her quiz. Write this as a decimal rounded to the nearest hundredths place.
.74
The temperature at 8:00PM was 12 degrees, it dropped 15 degrees overnight. What was the temperature in the morning?
-3
Simplify the fraction:
3 13/65
3 1/5
Simplify:
| 80 - 120 | + (-9) + (13) + | 7 |
51
any number that can be written as a fraction
rational
A standard pencil is 7 3/4 inches long. If 56 pencils are lined up end to end how long would the chain of pencils be?
434 inches
Jack was playing in a golf tournament and scored a -5 on the first 9 holes. On the next 9 holes he shot a -7 what was his final score for 18?
-12
Put the numbers in order from smallest to largest
4/5, -13, 4.21, 3/4, -4, 5.5
-13, -4, 3/4, 4/5, 4.21, 5.5
Simplify:
-3.45 + 9.2 - (-15) - 24
-3.25
distance a number is from zero on the number line
absolute value
If Nora is baking cookies and the recipe requires 2.75 cups of flour and 1.55 cups of sugar, how many cups of flour and sugar combined is in the recipe? Write your answer as a fraction.
4 3/10
Mira had $506 in her savings account. Each month she pays $212 in rent. How much money would she have left in her bank account after 3 months?
-$130
Which equation is true?
A.) (-3x +2) = (2 +3x)
B.) (-3x + 2) = (-2 -3x)
C.) (-3x + 2) = (2 - 3x)
D.) (-3x + 2) = (-2 + 3x)
C.) (-3x + 2) = (2 - 3x)
Simplify:
-3 2/3 + 7 1/9
3 4/9
all natural numbers, their opposites and zero
integers
What is the product of -21 3/4 and 13.4, write your answer as a decimal.
-291.45
Savannah went scuba diving to look at some coral. The first reef was 15 feet below sea level. She had to dive another 35 feet to reach the second reef. How many feet below sea level was she?
-50
Which equation is not equal to the other 3
a.) 3 = | -3 |
b.) -3 = -(3)
c.) -3 = |-3|
d.) 3 = |3|
c.) -3 = |-3|
3/4 + (-1/8) - 2/3 + 5/6
19/24
A number multiplied by this will always give you positive 1.
Multiplicative Inverse or Reciprocal
Jon ran 4.82 miles, Lisa ran 5 3/4 miles. How many more miles did Lisa run than Jon? Write your answer as a fraction.
93/100
Jackie traveled across the International Date Line (0 degrees longitude). She began her trip 23 miles to the west of the Date Line and ended her trip 54 miles to the east of the Date Line. What is the DISTANCE that Jackie traveled?
77 miles 23 + 54 = 77
What is another name for opposite?
Additive Inverse