6th Grade Proportions/Ratios

Front

What is a ratio?

Back

A ratio is a comparison of two quantities, 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

How do you write a ratio?

Back

Ratios can be written in three ways: using a colon (e.g., 3:5), as a fraction (e.g., 3/5), or with the word 'to' (e.g., 3 to 5).

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

What does it mean to set up a proportion?

Back

Setting up a proportion means creating an equation that shows two ratios are equal.

Tags

CCSS.7.RP.A.2C

Front

If there are 3 burgers for 49 fries, what is the ratio of fries to burgers?

Back

49:3

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

In an animal shelter, if the ratio of dogs to cats is 5 to 3 and there are 25 dogs, how many cats are there?

Back

15 cats.

Front

What is the solution to the proportion X/9 = 9/27?

Back

X = 3.

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CCSS.7.RP.A.2C

Front

How do you determine which is the better buy between two products?

Back

Calculate the price per unit for each product and compare them.

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CCSS.6.RP.A.3B

Front

If Walmart has cookies on sale 20 for $3.99 and Walgreens has cookies on sale 36 for $5.99, which is the better buy?

Back

Walgreens.

Tags

CCSS.6.RP.A.3B

Front

In a ratio of tenants to cars of 3:5, if there are 30 tenants, how many cars are there?

Back

50 cars.

Front

What is a unit rate?

Back

A unit rate is a ratio that compares a quantity to one unit of another quantity.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2