Big Ideas Ratios

What is a Ratio?

• Is a comparison of two quantities

• To multiply two fractions

• Strictly a fraction

• Two decimals that can be multiplied

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

If there are 5 boys and 7 girls, write the ratio of girls to boys.

• 5 to 7

• 7 to 5

• 7 to 5

• 7 to 12

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CCSS.6.RP.A.1

CCSS.6.RP.A.2

A bag of marbles comes with 3 blue marbles, 2 red marbles, and 5 yellow marbles. What is the ratio of red to yellow?

• 2 to 5

• 5 to 3

• 3 to 5

• 5 to 2

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

In the fruit bowl there are 4 apples, 2 bananas, and 5 pears. What is the ratio of ALL fruit to pears?

• 5 to 11

• 11 to 5

• 2 to 5

• 6 to 5

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Which represents the relationship of oranges to fruit?

• 2:6
• 2:4
• 4:6
• 4:2

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Tell if the ratio is part-to-part or part-to-whole.
4 apples to 3 oranges

• Part-to-Part
• Part-to-Whole

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Tell if the ratio is part-to-part or part-to-whole.
How many circles to all shapes?

• Part-to-Part
• Part-to-Whole

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

3 ways to write a ratio is.....

• read, write, demonstration
• to solve
• using to, using a colon, and as a fraction
• very important

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

A ratio can be written as all the ways below EXCEPT which one?

• 3=4

• 3:4

• 3 to 4

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

There are 13 boys and 10 girls in the classroom.  What is the ratio of boys to girls?

• 10 to 13
• 23 to 13
• 13 to 10
• 23 to 10

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2