What is the cross product of the ratios $$\frac{a}{b}$$ and $$\frac{c}{d}$$ ?

The cross product is $$a \times d = b \times c$$ .

What does it mean if two ratios are equivalent?

It means they represent the same relationship or value.

What is an example of a real-life situation that can be modeled with proportions?

Cooking recipes often use proportions to scale ingredients.

How can you check if your solution to a proportion is correct?

Substitute your solution back into the original proportion to see if both sides are equal.

What is the relationship between fractions and proportions?

Proportions are equations that compare two fractions.

What is the formula for finding a missing value in a proportion?

If $$\frac{a}{b} = \frac{c}{d}$$ , then $$a \times d = b \times c$$ .

What is a common mistake when solving proportions?

A common mistake is forgetting to cross-multiply correctly.

Proportions & Solving Proportions

Flashcard

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Mathematics

•

6th Grade

•

Practice Problem

•

Easy

•

CCSS

7.RP.A.2A, 6.RP.A.3A, 7.RP.A.2C

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FLASHCARD QUESTION

Front

What is a proportion?

Back

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

Tags

CCSS.7.RP.A.2A

FLASHCARD QUESTION

Front

How do you determine if two ratios form a proportion?

Back

Two ratios form a proportion if their cross products are equal.

Tags

CCSS.7.RP.A.2A

FLASHCARD QUESTION

Front

Back

Tags

CCSS.6.RP.A.3A

FLASHCARD QUESTION

Front

Back

No, they do not form a proportion.

Tags

CCSS.7.RP.A.2A

FLASHCARD QUESTION

Front

Back

No, they do not form a proportion.

Tags

CCSS.7.RP.A.2A

FLASHCARD QUESTION

Front

Back

x = 9.

Tags

CCSS.7.RP.A.2C

FLASHCARD QUESTION

Front

Back

Yes, they form a proportion.

Tags

CCSS.7.RP.A.2A

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