Understanding Percentages with 'Is Over Of Equals Per Over 100'

The video tutorial from MooMoo Math and Science explains how to solve percentage problems using the formula 'is over of equals percent over 100'. It covers three types of problems: finding a percentage of a number, determining the base number from a percentage, and calculating what percentage one number is of another. Each problem is solved step-by-step, demonstrating the use of cross-multiplication and division to find the solution. The video concludes with a summary of the methods used and a reminder to be kind.

What formula is introduced in the video to solve percentage problems?

• is equals percent times of

• is over of equals per over 100

• of equals is times percent

• percent equals is over of

How do you set up the equation to find 20% of 150?

• x/150 = 20/100

• 150/x = 20/100

• x/20 = 150/100

• 20/x = 150/100

What is the result of 20% of 150?

• 30

• 20

• 300

• 150

In the problem '30 is 20% of what number?', what is the first step?

• Divide 150 by 20

• Multiply 20 by 100

• Divide 30 by 20

• Multiply 30 by 100

What number is 30, if it is 20% of that number?

• 150

• 20

• 30

• 300

How do you set up the equation for '30 is what percent of 150?'

• 30/150 = x/100

• 150/30 = x/100

• x/150 = 30/100

• x/30 = 150/100

What percent of 150 is 30?

• 10%

• 15%

• 30%

• 20%

What is the key takeaway from the video?

• Percentages are always calculated by dividing by 100.

• All percentage problems are solved the same way.

• Using 'is over of equals per over 100' helps solve various percentage problems.

• Multiplication is the only operation needed for percentage problems.

What is the final message of the video?

• Remember to use a calculator for accuracy.

• Always double-check your calculations.

• Kindness multiplies kindness, be kind to someone today.

• Practice makes perfect.

Which of the following is NOT a problem type discussed in the video?

• Finding what percent one number is of another.

• Calculating the percentage increase.

• Determining a number given a percentage of it.

• Finding a percentage of a given number.