7th Grade Percent Proportions Flashcard

Front

What is a percent proportion?

Back

A percent proportion is a way to express a relationship between a part and a whole in terms of percentage, typically written as part/whole = percent/100.

Front

How do you calculate the number of girls in a class if 20% of the students are girls and there are 30 students in total?

Back

To find the number of girls, multiply the total number of students (30) by the percentage of girls (20% or 0.20): 30 * 0.20 = 6 girls.

Tags

CCSS.6.RP.A.3C

Front

If 40 is 20% of a number, how do you find that number?

Back

To find the number, divide 40 by 20% (0.20): Number = 40 / 0.20 = 200.

Tags

CCSS.6.RP.A.3C

Front

What is the sale price of a shirt that originally costs $40 with a 25% discount?

Back

To find the sale price, calculate the discount amount (25% of $40 = $10) and subtract it from the original price: $40 - $10 = $30.

Tags

CCSS.6.RP.A.3C

Front

How do you convert 45% to a fraction?

Back

To convert 45% to a fraction, write it as 45/100 and simplify: 45/100 = 9/20.

Front

What is the decimal equivalent of 45%?

Back

The decimal equivalent of 45% is 0.45.

Front

If you scored 85% on a test with 50 questions, how do you find the number of questions answered correctly?

Back

To find the number of correct answers, multiply the total questions (50) by the percentage scored (85% or 0.85): 50 * 0.85 = 42.5, round to 43 questions.

Tags

CCSS.6.RP.A.3C

Front

What is the formula to find the percent of a number?

Back

The formula to find the percent of a number is: Percent of a number = (Percent/100) * Number.

Front

How do you express a part-to-whole relationship as a percent?

Back

To express a part-to-whole relationship as a percent, divide the part by the whole and multiply by 100: (Part/Whole) * 100.

Front

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

Back

Fractions, decimals, and percents are different ways to represent the same value. For example, 1/2 = 0.5 = 50%.