Fractions and Decimals
Compare these rational numbers. Use >, <, or =
5 1/2 5 2/3
5 1/2 < 5 2/3
Subtract these rational numbers.
-12.4 - 8.39
-20.79
Which expression is equivalent to 4.2-(-3.7)?
A. 4.2+(-3.7)
B. -4.2+3.7
C. -4.2+(-3.7)
D. 4.2+3.7
Convert these fractions to their decimal values.
2/3
0.hat6
14 - 25
-11
Convert these fractions to their decimal values.
6 1/10
6.1
Subtract these rational numbers.
-3 1/3 - 2 1/3
-5 2/3
Which expression is equivalent to -8-5 when written as an addition expression?
A. -8+5
B. 8+(-5)
C. -8+(-5)
D. 8+5
C. -8+(-5)
Add these rational numbers. (Simplify any FRACTION answers)
7 2/5 + (-5 1/3)
2 1/15
-2 - (-8)
6
Convert this fraction to its decimal value.
WRITE FRACTIONS IN SIMPLEST FORM.
1/5
.2
Subtract these rational numbers.
-23.01 - 8.2
-31.21
Which expression is equivalent to -6-(-9)?
A. -6+(-9)
B. -6+9
C. 6+(-9)
D. 6+9
B. -6+9
The difference between two negative numbers is positive.
A. Always
B. Sometimes
C. Never
B. Sometimes
-14 - 21
-35
Convert these repeating decimals to fractions.
WRITE FRACTIONS IN SIMPLEST FORM.
0.21
21/100
Subtract these rational numbers.
-5/6-(-4/5)
-1/30
A swimming pool's water level rises 12 centimeters on Monday. The next day the water level drops 1.8 centimeters. Which expression represents the water level change over the 2 days, including Monday's rise?
A. 12+(1.8)
B. 12-(1.8)
C. -12+1.8
D. 1.8-12
B. 12-(1.8)
The sum of two negative numbers is negative.
A. Always
B. Sometimes
C. Never
A. Always
-7 + 6 -(-8)
7
Worth double points!
Identify each number as RATIONAL or NOT RATIONAL
12, 1/8, 3.141529..........
1. Rational
2. Rational
3. Irrational (does not terminate or repeat)
Subtract these rational numbers.
2/3 - 3/4
-1/12
At 6 a.m., the temperature is -4 degrees. It increases by 3 degrees at 10 am and decreases 2 degrees at noon. What is the temperature at noon?
Double points!!
-3 degrees
Compare these rational numbers. Use >, <, or =
-10 3/4 -10.75
-10 3/4 = -10.75
18 + (-6)
12