Basic Proportions
Converting Units
Working with Fractions
Percent Problems
Rate and Ratio
100

Find the missing number: 2/3 = x/9.

What is 6?

100

Convert 20 inches to feet.

What is 1.67 feet?

100

What is 1/4 of 100?

What is 25?

100

What is 50% of 200?

What is 100?

100

 If a car travels 60 miles in 2 hours, what is the rate of speed?

What is 30 miles per hour?

200

Solve the proportion: 5/x = 10/4.

What is 2?

200

How many centimeters are in 5 meters?

What is 500 centimeters?

200

Simplify the fraction 8/12.

What is 2/3?

200

20% of a number is 15. What is the number?

What is 75?

200

Write the ratio of 8 to 12 in simplest form.

What is 2:3?

300

What is x if 7/9 = x/36?

What is 28? 

300

Convert 3 kilometers to meters.

What is 3000 meters?

300

What is 3/5 of 50?

What is 30?

300

A meal costs $80, and the tax is 7%. What is the total cost of the meal with tax?

What is $85.60?

300

If a recipe calls for 3 cups of flour to 5 cups of sugar, what is the flour to sugar ratio?

What is 3:5?

400

If 3/x = 9/15, what is x?

What is 5?

400

If 1 pound is 16 ounces, how many ounces are in 7 pounds?

What is 112 ounces?

400

Convert the improper fraction 11/4 to a mixed number.

What is 2 3/4?

400

If a product is discounted by 30% and the original price was $150, what is the discounted price?

What is $105?

400

 In a class, there are 18 girls and 12 boys. What is the ratio of girls to total students?

What is 3:5?

500

Solve for x: x/18 = 6/9.

What is 12? 

500

Convert 250 milliliters to liters.

What is 0.25 liters?

500

Multiply and simplify 3/8 by 2/3.

What is 1/4?

500

A shirt was sold for $45 after a 10% discount. What was the original price?

What is $50?

500

A car travels 300 miles using 10 gallons of fuel. What is the car's fuel efficiency in miles per gallon?

What is 30 miles per gallon?