Understanding Percentages with Omar's Class

The video tutorial explains how to determine the percentage of students in Omar's class who take the bus to school. It introduces the problem, visualizes it using a double number line, calculates the fraction of students taking the bus, and converts this fraction into a percentage. The tutorial demonstrates that 21 out of 28 students take the bus, which is equivalent to 75% of the class.

How many students in Omar's class take the bus?

• 14

• 7

• 28

• 21

Tags

CCSS.1.NBT.A.1

What is the total number of students in Omar's class?

• 14

• 35

• 28

• 21

Tags

CCSS.7.RP.A.2C

What is the purpose of using a double number line in this problem?

• To compare two different classes

• To visualize the relationship between numbers and percentages

• To calculate the total number of students

• To find the average number of students

Tags

CCSS.3.NF.A.1

CCSS.3.NF.A.2B

What fraction represents the students taking the bus?

• 3/4

• 1/2

• 5/8

• 2/3

How do you simplify the fraction 21/28?

• Divide both by 3

• Divide both by 4

• Divide both by 7

• Divide both by 5

What percentage is equivalent to the fraction 3/4?

• 50%

• 75%

• 25%

• 100%

Tags

CCSS.3.NF.A.1

CCSS.3.NF.A.2B

How many fourths is 21 out of 28 on the number line?

• Two-fourths

• One-fourth

• Three-fourths

• Four-fourths

What is one-fourth of 100%?

• 75%

• 50%

• 25%

• 10%

What is two-fourths of 100%?

• 75%

• 100%

• 50%

• 25%

What percentage of students in Omar's class take the bus?

• 50%

• 80%

• 60%

• 75%