Some Ratios of Sides

Front

What is the definition of a ratio?

Back

A ratio is a relationship between two numbers indicating how many times the first number contains the second.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

How do you express the ratio of two sides, a and b?

Back

Front

Back

Tags

CCSS.7.G.A.1

Front

Back

Tags

CCSS.4.MD.A.2

Front

What is the formula to find the ratio of two sides a and c?

Back

Front

Back

This implies that side a is one-fourth the length of side c.

Tags

CCSS.HSG.CO.C.10

Front

Back

This implies that side a is one-third the length of side c.

Tags

CCSS.7.G.A.1

Front

What is the relationship between ratios and proportions?

Back

Ratios compare two quantities, while proportions state that two ratios are equal.

Tags

CCSS.6.RP.A.3A

Front

Back

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

What is the cross-multiplication method used for in ratios?

Back

Cross-multiplication is used to determine if two ratios are equivalent.

Tags

CCSS.6.RP.A.3A