7th Grade Math Review

7th Grade Math Review

Assessment

Flashcard

Mathematics

7th Grade

Hard

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15 questions

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1.

FLASHCARD QUESTION

Front

What is the formula to calculate percentage decrease?

Back

Percentage Decrease = ((Original Value - New Value) / Original Value) * 100

2.

FLASHCARD QUESTION

Front

If a house sells for $250,000 and then for $210,000, what is the percentage decrease in price?

Back

16%

3.

FLASHCARD QUESTION

Front

What does it mean for two expressions to be equivalent?

Back

Two expressions are equivalent if they have the same value for all values of their variables.

4.

FLASHCARD QUESTION

Front

Simplify the expression: 6r - r + 8(15 - r) + 23 - 6.

Back

-3r + 137

5.

FLASHCARD QUESTION

Front

What is a graph?

Back

A graph is a visual representation of data that shows the relationship between different variables.

6.

FLASHCARD QUESTION

Front

What does the slope of a line represent in a graph?

Back

The slope represents the rate of change between the two variables.

7.

FLASHCARD QUESTION

Front

In a cooking scenario, if chicken loses 10% of its weight, how do you calculate the original weight needed to achieve a desired cooked weight?

Back

Original Weight = Desired Weight / (1 - Percentage Loss)

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