Ratios & Tape Diagrams Review

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 to b' or a:b.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

How do you represent a ratio using a tape diagram?

Back

A tape diagram visually represents ratios by using rectangles divided into parts that correspond to the quantities in the ratio.

Front

If the ratio of red circles to blue stars is 3:4, how many parts are there in total?

Back

There are 7 parts in total (3 parts red + 4 parts blue).

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

What is the ratio of girls to boys if there are 24 girls and 72 boys?

Back

The ratio of girls to boys is 1:3.

Tags

CCSS.6.RP.A.2

CCSS.6.RP.A.1

Front

How do you find the number of items in a ratio if you know one quantity?

Back

To find the unknown quantity in a ratio, set up a proportion and solve for the missing value.

Front

If Tom has 40 stickers and the ratio of Sarah's stickers to Tom's is 3:4, how many stickers does Sarah have?

Back

Sarah has 30 stickers.

Front

What is the first step to solve a problem using a tape diagram?

Back

The first step is to identify the ratio and draw a tape diagram that represents the quantities involved.

Front

If there are 120 boys in a group and the ratio of girls to boys is 5:4, how many girls are there?

Back

There are 150 girls.

Front

What does it mean if a ratio is simplified?

Back

A simplified ratio means that the quantities have been reduced to their smallest whole number form.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

How can you check if your ratio is correct?

Back

You can check if your ratio is correct by cross-multiplying in a proportion or by verifying the quantities match the given ratio.

Tags

CCSS.6.RP.A.3A