Quiz Question

Solution

Zamir: 75%
Caleb: 72%
Rosa: 76%
Avi: 74%
Sonya: 72%

Make a chart to show the students' names, number of questions, number correct, fraction correct, and percentage.

Remember, % means a number divided by 100.

To find the percentage correct, make a fraction:

Number answered correctly

Number of questions in all

Make the fraction equivalent to a fraction with 100 in the denominator. The numerator will be equal to the percent correct.

Another way to find the percent is to divide the numerator by the denominator for a decimal. Multiply the decimal by 100 to find the percent.

Name	Number of questions in all	Number answered correctly	Fraction	Percentage
Zamir	40	30	Think: $thirty over forty$ = $three-fourths$ = $seventy-five over one-hundred$	75%
Caleb	25	18	$eighteen over twenty-five$ = $seventy-two over one-hundred$	72%
Rosa	25	19	$nineteen over twenty-five$ = $seventy-six over one-hundred$	76%
Avi	50	37	$thirty-seven over fifty$ = $seventy-four over one-hundred$	74%
Sonya	75	54	$fifty-four over seventy-five$ = $seventy-two over one-hundred$	72%