APA Percent Proportion/Equation Review

Front

What is the formula to calculate the percentage of a part compared to a whole?

Back

Percentage = (Part / Whole) × 100

Front

If a class has 28 students and 25% are home sick, how do you calculate the number of students home sick?

Back

Multiply the total number of students (28) by the percentage (0.25): 28 × 0.25 = 7 students.

Front

How do you convert a fraction to a percentage?

Back

Divide the numerator by the denominator and multiply by 100.

Front

What is the percentage of correct answers if a student answers 36 questions correctly out of 40?

Back

Percentage = (36 / 40) × 100 = 90%.

Front

How do you find the percentage of students who stayed at school if 94 out of 126 students went on a field trip?

Back

First, find the number of students who stayed: 126 - 94 = 32. Then, calculate the percentage: (32 / 126) × 100 = 25%.

Front

What equation would you use to find the percentage score of a test?

Back

Correct Answers = x × Total Questions.

Front

If a student scores 85% on a test with 25 questions, how do you find the number of correct answers?

Back

Multiply the total questions (25) by the percentage (0.85): 25 × 0.85 = 21 questions.

Front

What does it mean to round to the nearest whole percent?

Back

It means to adjust the percentage to the closest whole number.

Front

How do you calculate the percentage of a number?

Back

To calculate the percentage of a number, multiply the number by the percentage (in decimal form).

Front

What is the relationship between fractions, decimals, and percentages?

Back

Fractions can be converted to decimals, which can then be converted to percentages.