Fractions & Decimals
Add 1/2 to 3/8
7/8
There are 5 dogs and 2 cats.
What is the ratio of cats to dogs?
2:5
What is 50% of 100?
50
Solve: x + 5 = 12
x = 7
How many degrees in a right angle?
90 degrees
Convert 0.6 to a fraction. Simplify.
3/5
Solve 4/5 = x/10
x=8
Convert 0.25 to a percent
25%
Solve: 3x = 18
x = 6
What is the perimeter of a square with side length 5 cm?
20 cm
Multiply 0.4 x 0.25
0.1 or 1/10
Are the ratios 6/9 and 2/3 equivalent?
Yes
What is 30% of 200?
60
Simplify: 2(x + 3)
2x + 6
Area of a triangle with base 10 and height 5.
25 square units
Divide 3/4 by 1/8. Simplify
6
A recipe uses 2 cups of sugar for every 5 cups of flour. How much sugar for 15 cups of flour?
6 cups
A shirt originally costs $40 and is on sale for 25% off. What is the sale price?
$30
Solve: 2x - 4 = 10
x = 7
Volume of a cube with side 3 inches.
27 cubic inches
Simplify (5/6 + 2/3) divided by 1/2
3
Solve the proportion: x/12 = 3/4
x = 9
15 is 30% of what number?
50
Factor 4x + 16 (by factoring out the GCF)
4(x+4)
The angles in a triangle add up to how many degrees?
180 degrees