Big Ideas Chapter 5 Mid Flashcard Practice

Front

What is a ratio?

Back

A ratio is a comparison of two quantities that shows the relative size of one quantity to another, often expressed as 'a:b'.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

How do you find the missing values in a ratio table?

Back

To find missing values in a ratio table, maintain the same ratio by using cross-multiplication or equivalent fractions.

Front

What is a unit rate?

Back

A unit rate is a rate in which the second quantity is 1. It is found by dividing the first quantity by the second.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

How do you calculate the unit rate for $12 for 5 hamburgers?

Back

Divide the total cost by the number of hamburgers: $12 ÷ 5 = $2.40 per hamburger.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

What does it mean if a rate is not represented in a double line graph?

Back

It means that the rate does not correspond to the data shown in the graph, indicating a discrepancy or error.

Front

What is the purpose of a double line graph?

Back

A double line graph is used to compare two sets of data over the same period.

Front

How do you express a ratio of stars to red circles if there are 4 stars and 7 red circles?

Back

The ratio is expressed as 4:7.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

What is the significance of equivalent ratios?

Back

Equivalent ratios represent the same relationship between quantities, even if the numbers are different.

Tags

CCSS.6.RP.A.3A

Front

How can you determine if two ratios are equivalent?

Back

Two ratios are equivalent if their cross-products are equal.

Tags

CCSS.6.RP.A.3A

Front

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

Back

If a:b = c:x, then x = (b * c) / a.

Tags

CCSS.7.RP.A.3