Ratios & Proportional Relationships (7.AF.4)

Today we are going to review Proportional relationships between 2 quantities and thens tart learning about the Rate of Change in linear relationships.

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Ratios & Proportional Relationships

There are different ways to write ratios, but we are going to use simplified fractions.

Multiple Choice

What is the ratio of danger noodles to trash pandas shown?

• $$\frac{5}{3}$$

• $$\frac{3}{5}$$

• $$\frac{3}{8}$$

• $$\frac{5}{8}$$

Multiple Choice

What is the ratio of giraffe sheep to the whole group of animals?

• $$\frac{1}{2}$$

• $$\frac{2}{1}$$

• $$\frac{1}{3}$$

• $$\frac{2}{3}$$

Poll

Would you rather... 🤔

• ... live in a tree house?

• ... live in an igloo?

Multiple Choice

What is the ratio of land clouds to tuxedo chickens shown?

• $$\frac{4}{1}$$

• $$\frac{7}{2}$$

• $$\frac{2}{7}$$

• $$\frac{1}{4}$$

Multiple Choice

What is the ratio of tiger ponies to nope logs shown?

• $$\frac{5}{4}$$

• $$\frac{2}{3}$$

• $$\frac{4}{5}$$

• $$\frac{3}{2}$$

Since the number of mules if changing by the same amount every time AND the bales of hay is changing by the same amount every time - THIS TABLE IS PROPORTIONAL!

To test if two quantities are proportional given a table, track how each quantity changes.

Multiple Choice

This table is ________________.

• Proportional

• Not Proportional

Multiple Choice

This table is ___________________.

• Proportional

• Not Proportional

Multiple Choice

This table is ___________________.

• Proportional

• Not Proportional

Multiple Choice

This table is _____________________.

• Proportional

• Not Proportional

Poll

Would you rather...

• ... be able to breathe underwater?

• ... be able to walk through fire?

Multiple Choice

What is a Ratio?

• A Denominator

• A comparison of two quantities

• A Mixed Number

• Order of Operations

Multiple Choice

What is the ratio of bananas to apples?

• 2 : 14

• 2 to 7

• 5 : 7

• 7 to 2

Multiple Choice

What is the ratio of birds to All Animals?

• 18 to 8

• 3 to 18

• 11 : 18

• 7 : 3

• 3 : 25

Multiple Select

Select ALL the Equivalent Ratios for $$\frac{2}{3}$$  

** HINT: 3 answers **

• $$\frac{4}{6}$$  

• $$\frac{5}{15}$$  

• $$\frac{8}{12}$$  

• $$\frac{20}{30}$$  

• $$\frac{12}{13}$$  

Fill in the Blank

 TAPE DIAGRAM:

The ratio of red pens to blue pens in a package is 2:5. If there are 40 blue pens in the package, how many red pens are in the package?

Poll

Would you rather ...

• ... give up pizza forever?

• ... never eat french fries again?