Using Ratio Reasoning to Convert Measurement Units

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Using Ratio Reasoning to Convert Measurements

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Presentation transcript:

Using Ratio Reasoning to Convert Measurement Units Learning Target – Ratio 5

How many yards? How many feet? How many inches?

Ratio conversions can help with problem solving Ratio conversions can help with problem solving. 1 yard 3 feet 12 inches 1 foot

Ratio conversions can help with problem solving Ratio conversions can help with problem solving. 1 yard 3 feet 12 inches 1 foot How many inches are there in the length of one football field (100 yards)?

100 yards 3 feet 12 inches 1 1 yard 1 foot = 3,600 inches in a football field. × ×

List some measurement conversions that you know List some measurement conversions that you know. Write them in ratio format.

List some measurement conversions that you know List some measurement conversions that you know. Write them in ratio format. For example: 60 min 1 hour

Did you remember these? 60 sec 60 min 1 day 7 days 1 min 1 hr 24 hrs 1 week 1 mile 100 cm 1 gallon 5280 ft 1 meter 4 quarts

How many minutes are in 2 days?

How many minutes are in 2 days? 2 days 24 hrs 60 min 1 1 day 1 hr = There are 2,880 minutes in 2 days. × ×

How many centimeters are in 8.5 meters?

How many centimeters in 8.5 meters? 8.5 meters 100 cm 1 1 meter = There are 850 centimeters in 8.5 meters. ×

A poster board is 108 inches wide A poster board is 108 inches wide. If it is cut in half, how many feet wide will each piece be?

108 in 1 1 foot 1 2 12 in = Each piece is 4.5 feet wide. × ×

Stacy measured a piece of fabric to be 48 inches Stacy measured a piece of fabric to be 48 inches. How many feet is the fabric?

Sonny ran 3 miles. How many feet did he run?

Tina has 5 quarts of milk. How many cups of milk does she have?

Ben buys a 3 pound bag of trail mix for a hike Ben buys a 3 pound bag of trail mix for a hike. He wants to make one-ounce bags for his friends. How many one-ounce bags can he make?

Claudia’s skis are 150 cm long. David’s ski’s are 2 meters long Claudia’s skis are 150 cm long. David’s ski’s are 2 meters long. Who has longer skis?

50 Euros = $56 What is the exchange rate?

Chris ran the 40 yard dash in 6.4 seconds.

Chris ran the 40 yard dash in 6.4 seconds. a) What is his rate of speed?

Chris runs 6.25 yards per second b) At this rate, how far does he run in 1 minute?

Chris runs 6.25 yards per second c) At this rate, how far does he run in 1 hour?