4/29 Ratios

Ratios

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A ratio is a comparison of two quantities. A Part -to-Part Ratio compares 2 separate items and often uses the phrase "for every". A Part-to-Whole Ratio compares one item out of a group and often uses the phrases "out of", "of the", and "total".

Multiple Choice

Ratio means

• comparing two quantities

• finding the space around an object

• finding the space within an object

Multiple Choice

What are the key words for a Part-to-Part Ratio?

• for every

• per

• out of, of the, total

• add

Multiple Choice

What are the key words for a Part-to-Whole Ratio

• for every

• per

• out of, of the, total

• add

Multiple Choice

In the parking lot, there are 8 motorcycles for every 16 minivans. Is this a Part-to-Part or Part-to-Whole Ratio?

• Part-to-Part

• Part-to-Whole

Multiple Choice

There are five lemons for every seven limes? What type of Ratio is this?

• Part-to-Part

• Part-to-Whole

Multiple Choice

Three of the coins are quarters. What type of Ratio is this?

• Part-to-Part

• Part-to-Whole

Multiple Choice

For every three markers Julian has in his desk, he has four pencils. What type of Ratio is this?

• Part-to-Part

• Part-to-Whole

Multiple Choice

Four of the 9 fish in the aquarium are goldfish? What type of Ratio is this?

• Part-to-Part

• Part-to-Whole

Multiple Choice

Six out of 18 students chose basketball as their favorite sport. What type of ratio is this?

• Part-to-Part

• Part-to-Whole

Multiple Choice

2 out of 5 balls are basketballs. Choose the correct Ratio.

• 2/3

• 3/2

• 2/5

• 5/2

Multiple Choice

There are 2 basketballs for every 3 baseballs. Choose the correct Ratio.

• 2/3

• 3/2

• 2/5

• 5/2

Multiple Choice

3 of the 10 students are girls. Choose the correct Ratio.

• 3/7

• 3/10

• 7/3

• 10/3

Multiple Choice

Which Ratio identifies the number of squares to hexagons?

• 3/10

• 7/10

• 7/3

• 3/7

Open Ended

The best buy for game tokens $20 for 120 tokens. Find the unit rate. How much will each token cost?

Open Ended

27.2 + 6.07 + 44.019

Open Ended

27.04 - 5.7 - 7.41

Open Ended

26.51 divided by 0.05

Open Ended

Place the absolute value in order from greatest to least.

/3.5/, /-2.75/, /4.5/, /-5.25/

Multiple Choice

The temperature is 7 degress below zero. Choose the integer that represents this situation.

• 7

• -7

• /-7/

• /7/