Ratios
The ratio of males to the total number of students in a science class is 12 to 36. What fraction of the class is male in lowest terms?
12/36= 1/3 male
Lucy has a package of 4 noise makers for $1.50. At this rate, how many packages will she need to buy so that all 16 people have 1?
4 packages
Compare the fraction using >, <, or =.
-2/4 and -7/12
>
TRUE OR FALSE.
0.40, 4/100, and 4% are equivalent.
FALSE
A comparison of 2 values or quantities.
Ratio
2 out of 8 apples were eaten. What is this as a fraction, decimal, and percent?
1/4, 0.25, 25%
5 packages of Halloween candy costs $18. What is the unit price per package?
$3.60
Find three numbers in between -0.55 and -0.54
-0.541, -0.542, -0.543, etc.
Write 18/20 as a decimal and percentage.
0.90 and 90%
Another word for equal or the same.
My truck can get 50 miles per gallon. How many gallons will it take to travel 400 miles?
8 gallons
Arrange the decimals in order from least to greatest:
5.00, 0.46, 0.046, 0.4, 0.04
0.04, 0.046, 0.4, 0.46, 5.00
TRUE OR FALSE.
10/12 and 3/4 are equivalent.
False
A student got 20 correct out of 25 problems on test. Write this as a fraction, decimal, and percent.
4/5, 0.8, and 80%
Absolute Value
Name 3 equivalent ratios for 2:5.
Answers will vary. Some examples include:
4:10, 6:15, 8:20
One flashlight costs $5. How many flashlights can I purchase with $23?
4 flashlights
Compare using <, >, or =.
- |13| ____ |-13|
<
Write the decimal as a fraction in simplest form: 0.05
5/100 = 1/20
A set of whole numbers, their opposites and zero.
Integers
A package of 20 glow necklaces costs $8. What is the unit price of a glow necklace?
$0.40 per necklace
A dozen Halloween masks cost $3.60. What is the unit rate of a mask?
$0.30 per mask
Put the following numbers in order from GREATEST to LEAST:
-1/3, -5, 0, 2/3, -2.1
2/3, 0, -1/3, -2.1, -5
What is 1/3 and 2/3 as a decimal and percentage?
1/3= 0.3 repeating and 33.3%
2/3= 0.6 repeating and 66.7%
A ratio comparing 2 different quantities where the second quantity is one unit.
Unit Rate