Rates, Ratios, and Proportions

Rates, Ratios, and Proportions

Assessment

Flashcard

Mathematics

7th Grade

Hard

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15 questions

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1.

FLASHCARD QUESTION

Front

What is a ratio?

Back

A ratio is a comparison of two quantities by division, showing how many times one value contains or is contained within the other.

2.

FLASHCARD QUESTION

Front

What is a proportion?

Back

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

3.

FLASHCARD QUESTION

Front

How do you calculate the cost per pound?

Back

To calculate the cost per pound, divide the total cost of the item by its weight in pounds.

4.

FLASHCARD QUESTION

Front

What is the cost per pound of an 8-lb bag that costs $9.88?

Back

$1.23 per pound (calculated as $9.88 ÷ 8).

5.

FLASHCARD QUESTION

Front

What is the cost per pound of a 20-lb bag that costs $23.44?

Back

$1.17 per pound (calculated as $23.44 ÷ 20).

6.

FLASHCARD QUESTION

Front

What is the cost per pound of a 40-lb bag that costs $49.00?

Back

$1.23 per pound (calculated as $49.00 ÷ 40).

7.

FLASHCARD QUESTION

Front

What does it mean for ratios to be equivalent?

Back

Ratios are equivalent if they represent the same relationship between quantities.

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