Math End of Year Review

Front

If 45% of a number, n, is 225, what is 74% of n?

Back

370

Front

An airplane travels at a constant speed of 320 miles per hour. How far, in miles, will the airplane travel in 15 minutes?

Back

80 miles

Front

During which week did Trevor spend a mean amount of $0.85 per day on snacks?

Back

Week 2

Front

Seventy-five 6th-grade students chose to watch a movie on the last day of school. This is 25% of the 6th-grade class. How many total students are in the 6th grade?

Back

300

Front

A motorcycle can go 50 miles using one gallon of gas. About how many gallons of gas will be used to go 150 kilometers? (Note: 1 mile is approximately 1.6 kilometers.)

Back

2 gallons

Front

What is the formula to calculate the percentage of a number?

Back

Percentage = (Part/Whole) x 100

Front

How do you convert miles to kilometers?

Back

Multiply the number of miles by 1.6.

Front

What is the mean of a set of numbers?

Back

The mean is the sum of all numbers divided by the count of numbers.

Front

What is the relationship between speed, distance, and time?

Back

Distance = Speed x Time.

Front

How do you find the total number of students if a percentage is known?

Back

Total Students = Part / (Percentage/100).