Proportions

Proportions

Assessment

Flashcard

Mathematics

7th Grade

Hard

Created by

Wayground Content

FREE Resource

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15 questions

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1.

FLASHCARD QUESTION

Front

What is a proportion?

Back

A proportion is an equation that states that two ratios are equal.

2.

FLASHCARD QUESTION

Front

How do you set up a proportion to solve a problem?

Back

To set up a proportion, you can use the formula a/b = c/d, where a and b are the first ratio, and c and d are the second ratio.

3.

FLASHCARD QUESTION

Front

What is the cross-multiplication method in solving proportions?

Back

The cross-multiplication method involves multiplying the numerator of one ratio by the denominator of the other ratio, and setting the two products equal to each other.

4.

FLASHCARD QUESTION

Front

If 3 pounds of hamburger meat cost $6, what is the cost per pound?

Back

The cost per pound is $2, calculated by dividing $6 by 3.

5.

FLASHCARD QUESTION

Front

How do you find the total cost when buying multiple items at a constant rate?

Back

Multiply the cost per item by the number of items purchased.

6.

FLASHCARD QUESTION

Front

What is the formula to estimate a population based on a sample?

Back

The formula is (number of items in sample / total sample size) = (number of items in population / total population size).

7.

FLASHCARD QUESTION

Front

How do you convert currency using an exchange rate?

Back

To convert currency, multiply the amount of money you have by the exchange rate.

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