U3 Pt.1 Test: Ratios, Percents and Proportions

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.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

What is a percent?

Back

A percent is a ratio expressed as a fraction of 100, representing a part of a whole.

Front

What is a proportion?

Back

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

Tags

CCSS.7.RP.A.2A

Front

How do you find the unit rate?

Back

To find the unit rate, divide the total amount by the number of units, resulting in a rate per one unit.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

If you earn $9 per hour, how much do you earn in 3 hours?

Back

$27.

Tags

CCSS.3.OA.A.3

Front

What is the unit rate if you spend $40 on 5 pounds of concrete?

Back

$8 per pound.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

What does it mean for a relationship to be proportional?

Back

A relationship is proportional if the ratio between two quantities remains constant.

Tags

CCSS.7.RP.A.2A

Front

How do you convert miles per hour to miles per day?

Back

Multiply the speed in miles per hour by the number of hours in a day (24 hours).

Tags

CCSS.6.RP.A.3B

Front

What is the unit in the denominator of a unit rate?

Back

1.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

If a table does not represent a proportional relationship, what does that imply?

Back

It implies that the ratios of the quantities do not remain constant.

Tags

CCSS.7.RP.A.2A