Operations with Fractions & Decimals
3 1/4 + 1.25
4 1/2 or 4.5
Write the ratio of 12 boys to 18 girls in simplest form.
2:3
Evaluate: 4x+7 when x=3
19
Find the area of a rectangle with length 9 cm and width 4 cm
36 cm2
Mean of 6, 8, 10, 12
9
5/6 - 1/4
7/12
A car travels 90 miles in 2 hours. What is the unit rate?
45 mph
Simplify: 6+3(y−2)
3y
Find the area of a triangle with base 12 cm and height 5 cm.
30 cm2
Find the median and mode of: 3, 7, 7, 9, 11.
Median = 7, Mode = 7
2 1/3 x 0.6
1.4 or 1 2/5
Find 35% of 160
56
x+5=3x-7
x=6
Find the area of a trapezoid with bases 6 cm and 10 cm and height 4 cm.
32 cm2
A data set has a mean of 12 for 5 numbers. Four numbers are 10, 11, 12, and 15. What is the fifth number?
12
7/8 / 2/3
1 5/16
A jacket originally costs $80 and is discounted by 25%. What is the sale price?
$60
4(2x−3)=2x+10
x=3 2/3
Find the volume of a rectangular prism that measures 5 cm × 4 cm × 6 cm.
120 cm3
Which measure of center (mean, median, or mode) best represents the data:
2, 3, 3, 4, 50? Explain.
A recipe uses 3/4 cup of sugar per batch. You make 2 2/3 batches and then spill 1/6 cup. How much sugar is left?
1 5/6 cups of sugar
After a 20% discount, a video game costs $48. What was the original price?
$60
A number increased by 6 is equal to twice the number minus 9. What is the number?
x=15
A rectangular prism has a volume of 180 cubic units. Two dimensions are 5 and 6 units. What is the surface area?
156 square units
Two different data sets both have a mean of 10. One has a range of 4, and the other has a range of 18. What does this tell you about the data sets?
The data sets have the same average, but the second set is more spread out and has greater variability.