Fractions and Decimals
Compare these rational numbers. Use >, <, or =
5.5 5 2/3
5 1/2 < 5 2/3
Add these rational numbers.
-12 2/5 + 8.39
-4.01 or -4 1/100
Multiply rational numbers
(Simplify any FRACTION answers)
-0.47 * 5 3/5
-2.632 or -2 79/125
DOUBLE JEOPARDY
How do you find the multiplicative inverse of a number? Give an example of a number and its multiplicative inverse
The Reciprocal
EX: 2/5 AND 5/2
Convert this mixed number to an improper fraction
3 2/5
17/5
DOUBLE JEOPARDY !
Classify each number ( Rational, Natural, Whole or Integer)
1. -0.24
2. 0
3. -9/3
4. 8/2
1. Rational Numbers
2. Whole Number
3. Integer
4. Natural Number
Joaquin recorded a temperature of 62°F this morning for science class. The temperature increased 6 1/2 °F in the afternoon before decreasing 8.7°F in the evening. What was the evening temperature?
59.8 or 59 4/5
Multiply rational numbers (Simplify any FRACTION answers)
-2.3*(-1 2/5)*-1.1
-3.542
A charge of $12.99 is automatically deducted from Kye’s bank account each month for a live TV streaming service. What is the change in Kye’s bank account after 6 months for this service?
$ -77.94
Find the quotient of
(-2/9) ÷ (- 2/13 ÷ 1/9)
Simplify !
13/81
Convert this fraction to its decimal values.
6 5/8
6.625
Add these rational numbers.
-3 1/3 + 2.5
-5/6 or -0.8333333
Multiply rational numbers (Simplify any FRACTION answers)
-2/3÷(-1 1/2)
4/9
The Basement in a building is 10.5 feet below ground level. The 5th floor of the building, is 35.75 feet above ground level. What is the distance of the basement and the 5th floor?
46.25
Add these rational numbers. (WRITE as a fraction..Simplify any FRACTION answers)
12.4 + (-5 1/3)
7 1/15
Convert this decimal to its fraction value.
WRITE FRACTIONS IN SIMPLEST FORM.
-0.585
-117/200
Subtract these rational numbers.
-23.01 - 8.2
-31.21
Divide rational numbers (Simplify any FRACTION answers)
1/2 ÷ 3
1/6
Regina spent $45.50 over 61 2 months on music downloads. If she spent the same amount of money each month, how much money, in dollars, did Regina spend per month on music downloads?
$7
Divide rational numbers (Simplify any FRACTION answers)
3 ÷ (-0.375)
-8
Convert Fraction to a decimal.
3 7/8
3.875
Subtract these rational numbers.
-5/6-(-0.8)
-1/30
Divide rational numbers (Simplify any FRACTION answers)
-9 9/10 ÷ (-2 3/4)
3 3/5
A tanker truck fills the gas station’s reservoir at the rate of 121 2 gallons per minute. If the reservoir was empty and it is now 35 gallons full, how many minutes has the tanker been filling the reservoir?
2.8
Convert improper fraction to a mixed number (Simplify)
38/6
6 1/3