Exploring Ratios: Key Concepts and Applications

Mrs. Gardner introduces sixth-grade students to the concept of ratios, explaining that a ratio is a comparison of two numbers. She demonstrates three ways to write ratios: using the word 'to', a colon, or as a fraction. The video includes examples using emoji faces to illustrate how to write and compare ratios. Mrs. Gardner emphasizes the importance of order when writing ratios and shows how to simplify them, providing examples to ensure understanding. Students are encouraged to engage with interactive digital notebooks and practice simplifying ratios.

What is a ratio?

• A comparison of two numbers

• A comparison of three numbers

• A comparison of four numbers

• A comparison of one number

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CCSS.6.RP.A.1

CCSS.6.RP.A.2

Which of the following is NOT a way to write a ratio?

• Using the word 'to'

• Using a colon

• Using a semicolon

• Using a fraction

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CCSS.6.RP.A.1

CCSS.6.RP.A.2

How many ways can you write a ratio?

• Two

• One

• Three

• Four

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CCSS.6.RP.A.1

CCSS.6.RP.A.2

If you have 9 emojis with teeth and 15 without teeth, how would you write the ratio of teeth to no teeth?

• 9:9

• 9:15

• 15:15

• 15:9

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CCSS.6.RP.A.1

CCSS.6.RP.A.2

Why is the order important when writing ratios?

• Because it changes the meaning of the ratio

• Because it looks better

• Because it is a rule

• Because it is easier to read

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CCSS.6.RP.A.3A

What does it mean to simplify a ratio?

• To make the numbers larger

• To add more numbers

• To change the numbers

• To make the numbers smaller

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CCSS.6.RP.A.1

CCSS.6.RP.A.2

What is the simplified form of the ratio 3:6?

• 1:2

• 2:1

• 3:3

• 6:3

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CCSS.6.RP.A.1

CCSS.6.RP.A.2

If you have 7 to 21, what is the simplified ratio?

• 3:1

• 7:1

• 1:3

• 1:7

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CCSS.6.RP.A.1

CCSS.6.RP.A.2

What is the simplified form of the ratio 18:45?

• 2:5

• 18:9

• 5:2

• 9:18

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CCSS.6.RP.A.1

CCSS.6.RP.A.2

How many ways can you write a ratio?

• Three

• Two

• One

• Four

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CCSS.6.RP.A.1

CCSS.6.RP.A.2