Fractions and Decimals
Simplify 12/36
1/3
Simplify the ratio 6:18
6:18 ----> 1:3
What is the perimeter of a rectangle with length 12 cm and width 5 cm?
34 cm
Simplify 2x + 7x
9x
If you have 3 bags with 4 marbles in each bag, how many marbles do you have in total?
12 marbles
Convert 0.09 to a fraction.
9/100
There are 20 red marbles and 15 blue marbles.
Write the SIMPLIFIED ratio of blue marbles to red marbles.
15:20 ----> 3:4
What is the area of a triangle with a base of 8 cm and a height of 6 cm?
24 cm squared
Solve for x: 3x+5=14
x = 3
A pencil costs $2. If you buy 5 pencils, how much will it cost?
$10
Add 3/4 + 1/8
7/8
Solve the proportion 5/x = 10/20
x = 10
What is the volume of a cube with side length 4 cm?
64 cubic cm
Evaluate the expression 2(3+4)
14
A train travels 50 miles per hour. How far will it travel in 3 hours?
150 miles
Subtract 4.5 - 2.8
1.7
If 3 pencils cost $1.50, how much would 7 pencils cost?
$3.50
A triangle has 3 angles. Angle 1 is 85 degrees. Angle 2 is 40 degrees. What is the measure of angle 3?
55 degrees
What is the value of 6y−3when y=5?
27
If a shirt costs $15 and you buy 3 shirts, how much do you spend in total?
$45
Multiply 2/5 x 3/4
6/20 = 3/10 = 30/100 = 30% = 0.3
A recipe calls for 4 cups of sugar to make 8 cookies. How many cups of sugar are needed for 24 cookies?
12 cups of sugar
Alex is building a dog pen. It is the shape of a rectangle. The length is 14 feet and the width is 6 feet.
If fencing is $6 per foot, how much will it cost him to build the dog pen?
$120
Solve for x: 4x−3=21
x = 6
A recipe requires 2 cups of flour for every 3 cups of sugar. How many cups of sugar do you need if you use 8 cups of flour?
12 cups of sugar