Envisions Math Topic 2 Review

Envisions Math Topic 2 Review

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, showing how many times one value contains or is contained within the other.

2.

FLASHCARD QUESTION

Front

If the ratio of boys to girls is 2:3 and there are 25 girls, how many boys are there?

Back

17 boys.

3.

FLASHCARD QUESTION

Front

What is the constant of proportionality in the equation y = ⅜x?

Back

The constant of proportionality is ⅜.

4.

FLASHCARD QUESTION

Front

How do you find the total cost y for x sheets of stickers if each sheet costs $2.45?

Back

Use the equation y = 2.45x.

5.

FLASHCARD QUESTION

Front

What does it mean if two quantities are proportional?

Back

Two quantities are proportional if they maintain a constant ratio to each other.

6.

FLASHCARD QUESTION

Front

On a map, if 1 inch equals 10 miles, how do you calculate the actual distance between two cities that are 7 inches apart?

Back

Multiply the distance on the map (7 inches) by the scale (10 miles/inch) to get 70 miles.

7.

FLASHCARD QUESTION

Front

What is the formula for finding the total cost of items?

Back

Total Cost = Price per Item × Number of Items.

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