Vocabulary
This is the comparison of two numbers by division.
What is a ratio?
Solve for x: 2/3 = x/6
What is 4?
If 3 shirts cost $15, how much do 5 shirts cost?
What is $25?
On a map, 1 inch = 10 miles. How many miles does 4 inches represent?
What is 40 miles?
What is 25% of 40?
What is 10%
This is an equation stating two ratios are equal.
What is a proportion?
Solve for y: 5/8 = 10/y
What is 16?
If a car travels 120 miles in 2 hours, how far will it travel in 5 hours at the same rate?
What is 300 miles?
If a model car is built at a scale of 1:24 and the model is 7 inches long, how long is the real car?
What is 168 inches (or 14 feet)?
60 is what percent of 200?
What is 30%?
If the cross products of a proportion are equal, the proportion is said to be this.
What is true?
If 12 apples cost $3, how much do 20 apples cost?
What is $5?
If 8 pencils weigh 48 grams, how much do 15 pencils weigh?
What is 90 grams?
A scale drawing shows a room as 5 inches by 8 inches. The scale is 1 inch = 2 feet. What are the actual room dimensions?
What is 10 feet by 16 feet?
If 12 out of 50 students have blue eyes, what percent is that?
What is 24%?
The number found by multiplying the denominator of one ratio by the numerator of the other ratio is called this.
What is a cross product?
Solve for a: a/7 = 3/14
What is 1.5?
A recipe needs 4 cups of flour for 2 loaves of bread. How many cups for 5 loaves?
What is 10 cups ?
On a map, 3 cm = 12 km. How many kilometers does 9 cm represent?
What is 36 kilometers?
If a $40 shirt is discounted 20%, what is the sale price?
What is $32?
This word describes a ratio whose second term is 1.
What is a unit rate?
Solve for z: 9/z = 6/8
What is 12?
5 gallons of paint cover 800 square feet. How many square feet will 8 gallons cover?
What is 1,280 square feet?
If a blueprint’s scale is 1/4 inch = 1 foot, how many feet does 3 inches represent?
What is 12 feet?
If a test has 80 questions and a student gets 72 correct, what percent did they get right?
What is 90%?