Mastering Percent Proportion Word Problems

The video tutorial explains the concept of percent proportion, which is the relationship between part and whole expressed as a percentage. It uses three examples to illustrate this concept: Mario's homework, Jamar's test score, and Brandy's free throws. Each example demonstrates how to determine either the part, whole, or percentage using the cross product rule and basic arithmetic operations.

What is the basic formula for percent proportion?

• part over whole equals percent over 100

• whole over part equals percent over 100

• whole over percent equals part over 100

• percent over whole equals part over 100

In the first example, what percentage of the problems did Mario answer correctly?

• 50%

• 30%

• 75%

• 40%

In the first example, how many problems did Mario answer correctly out of 40?

• 35

• 20

• 25

• 30

In the second example, what percentage did Jamar score on his test?

• 75%

• 80%

• 85%

• 90%

In the second example, how many problems did Jamar get correct?

• 15

• 20

• 25

• 30

Tags

CCSS.2.OA.C.4

In the second example, how many total problems were on Jamar's test?

• 20

• 25

• 30

• 35

Tags

CCSS.2.OA.C.4

In the third example, how many free throws did Brandy make?

• 65

• 50

• 55

• 60

Tags

CCSS.4.OA.C.5

In the third example, how many free throws did Brandy attempt?

• 80

• 75

• 70

• 85

In the third example, what percentage of free throws did Brandy make?

• 70%

• 75%

• 80%

• 85%

What is the cross product rule used for in percent proportion problems?

• To add percentages

• To multiply percentages

• To find the part, whole, or percentage

• To subtract percentages

Tags

CCSS.6.RP.A.3C