12/16 Measurement Conversion using Proportion

Front

What is measurement conversion?

Back

Measurement conversion is the process of converting a quantity from one unit to another, using a conversion factor.

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CCSS.2.MD.A.2

Front

What is a proportion?

Back

A proportion is an equation that states that two ratios are equal.

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CCSS.7.RP.A.2A

Front

If 2 ounces are equal to 56 grams, what is the conversion factor from ounces to grams?

Back

The conversion factor is 28 grams per ounce (56 grams / 2 ounces).

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CCSS.5.MD.A.1

Front

How do you find the number of grams needed for 1.5 ounces if 2 ounces are 56 grams?

Back

Multiply 1.5 ounces by the conversion factor: 1.5 ounces * 28 grams/ounce = 42 grams.

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CCSS.5.MD.A.1

Front

What is the formula to find the length of a shadow using proportions?

Back

The formula is: (Height of object 1 / Length of shadow 1) = (Height of object 2 / Length of shadow 2).

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CCSS.8.G.A.2

CCSS.HSG.CO.B.6

Front

If a pole 4 meters high casts a shadow of 16 meters, what is the height of a building that casts a shadow of 768 meters?

Back

Using the proportion: (4m / 16m) = (192m / x), we find x = 768 meters.

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CCSS.7.G.A.1

Front

How do you convert feet to meters?

Back

To convert feet to meters, divide the number of feet by 3.28.

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CCSS.2.MD.A.2

Front

If 10 feet is how many meters, given that 1 meter is 3.28 feet?

Back

10 feet is approximately 3.05 meters (10 feet / 3.28 feet/meter).

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CCSS.2.MD.A.2

Front

What is the cost of 10 coffees if one coffee costs $1.75?

Back

The cost of 10 coffees is $17.50 (10 * $1.75).

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CCSS.6.NS.B.3

Front

How do you find the cost of one item if you know the total cost and quantity?

Back

Divide the total cost by the quantity: Total Cost / Quantity.

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CCSS.6.RP.A.1

CCSS.6.RP.A.2