Understanding Percent Increases

The video tutorial from MooMooMath explains how to calculate percent increases, a common question in word problems. It provides two examples: calculating the percent increase in student population from 2010 to 2011 and from 2010 to 2012. The tutorial outlines the rule for finding percent increases by taking the difference between two values, dividing by the original amount, and converting the result to a percentage. The video concludes with a summary of the method and encourages viewers to apply the learned concepts.

What was the student population at the high school in 2010?

• 1800

• 1000

• 2000

• 1200

How do you calculate the percent increase from 2010 to 2011?

• Multiply the difference by the original value

• Subtract the original value from the new value and divide by the original

• Add the original value to the new value and divide by two

• Divide the difference by the new value

What is the percent increase from 2010 to 2011?

• 10%

• 25%

• 15%

• 20%

What is the first step in calculating a percent increase?

• Multiply the two values

• Add the two values

• Find the difference between the two values

• Divide the two values

What is the final step in converting a fraction to a percent?

• Multiply by 100

• Divide by 100

• Add 100

• Subtract 100

In the second example, what is the difference in student population from 2010 to 2012?

• 800

• 600

• 400

• 1000

What is the percent increase from 2010 to 2012?

• 50%

• 33%

• 25%

• 75%

What is the original student population used in the second example?

• 1800

• 1500

• 1200

• 1000