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Rates

4 videos
2 skills
How fast can a robot possum fly? What is the rate at which a hungry you can consume avocados? This tutorial helps you make sense of these fundamental questions in life.

Finding average speed or rate

VIDEO 13:15 minutes
Using the formula for finding distance we can determine Usian Bolt's average speed, or rate, when he broke the world record in 2009 in the 100m. Watch.

Solving unit rates problem

VIDEO 2:31 minutes
Finding a unit rate is a skill often required in real life. How fast is that plane flying? How many lawns can you mow in an afternoon? You see, with our knowledge of ratios and fractions, we can now solve unit rates problems like this.

Solving unit price problem

VIDEO 2:01 minutes
Using our knowledge of fractions, we can solve this unit price problem. Remember to keep your units of measure consistent.

Rate problems 0.5

PRACTICE PROBLEMS

Multiple rates word problem

VIDEO 6:28 minutes
Sometimes you'll need to solve for multiple parts of the equation before getting at the answer. Here we solve for average speed, but first we have to determine total distance and total time.

Rate problems 2

PRACTICE PROBLEMS