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## PowerPoint Slideshow about ' Length: Measurement Conversions' - carrington

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### Length: Measurement Conversions

Architect Seamstress Taxi driver

Interior designer Fashion designer Truck driver

Carpenter Landscaper Travel agent

Farmer Contractor

Miss Oberlander

Here’s a Little Rap to Help!

When you are converting on the fly,

Bigger to smaller, you multiply!

When you’re converting, don’t hide,

Smaller to bigger, just divide!

How to convert

- Given: 48 inches= __________ feet
- Step 1: Write what conversion you KNOW between inches and feet in the same order as the problem.

Know: ______ inches = 1 foot

Step 2: Think AM I going bigger to smaller or smaller to bigger?

Inches feet

(small) TO (big)

- If you are going bigger to smaller, you will multiply! x
- If you are going smaller to bigger, you will divide! ÷

Step 3: Set up a math problem using what you know with what you were given.

Know: 12 inches = 1 foot

Given: 48 inches

48 ÷ 12 =

Step 4: Ask yourself, “Does my answer make sense?”

- There are 48 inches in 4 feet.

How to convert

- Given: 5 miles = __________ feet
- Step 1: Write what conversion you KNOW between inches and feet in the same order as the problem.

Know: 1 mile = ________ feet

Step 2: Think AM I going bigger to smaller or smaller to bigger?

miles feet

(big) TO (small)

- If you are going bigger to smaller, you will multiply! x
- If you are going smaller to bigger, you will divide! ÷

Step 3: Set up a math problem using what you know with what you were given.

Know: 1 mile = 5,280 feet

Given: 5 miles

5,280 x 5 =

Step 4: Ask yourself, “Does my answer make sense?”

- There are 26,400 feet in 5 miles.

How to convert

- Given: 52 yards= __________ feet
- Step 1: Write what conversion you KNOW between inches and feet in the same order as the problem.

Know: 1 yd = ________ feet

Step 2: Think AM I going bigger to smaller or smaller to bigger?

Yards feet

(big) TO (small)

- If you are going bigger to smaller, you will multiply! x
- If you are going smaller to bigger, you will divide! ÷

Step 3: Set up a math problem using what you know with what you were given.

Know: 1 yard = 3 feet

Given: 52 yards

52 x 3 =

Step 4: Ask yourself, “Does my answer make sense?”

- There are 156 feet in 52 yards.

What about Conversions with Metric?

- The steps remain the same!
- Just remember the conversions we memorized:
- 1,000 millimeters = 1 meter
- 100 centimeters = 1 meter
- 10 decimeters = 1 meter
- 1,000 meters = 1 kilometer
- Multiplying and dividing with 10s is even easier!
- That’s why the rest of the world prefers to use METRIC rather than customary measurement.

How to convert

- Given: 200 centimeters = __________ meters
- Step 1: Write what conversion you KNOW between inches and feet in the same order as the problem.

Know: ___________centimeters = 1 meter

Step 2: Think AM I going bigger to smaller or smaller to bigger?

centimeters meters

(small) TO (big)

- If you are going bigger to smaller, you will multiply! x
- If you are going smaller to bigger, you will divide! ÷

Step 3: Set up a math problem using what you know with what you were given.

Know: 1 meter = 100 centimeters

Given: 200 centimeters

200 ÷ 100 =

Step 4: Ask yourself, “Does my answer make sense?”

- There are 2 meters is the same as 200 centimeters.

How to convert

- Given: 45 kilometers = __________ meters
- Step 1: Write what conversion you KNOW between inches and feet in the same order as the problem.

Know: 1 kilometer = 1,000 meters

Step 2: Think AM I going bigger to smaller or smaller to bigger?

kilometers meters

(big) TO (small)

- If you are going bigger to smaller, you will multiply! x
- If you are going smaller to bigger, you will divide! ÷

Step 3: Set up a math problem using what you know with what you were given.

Know: 1 kilometer = 1,000 meters

Given: 45 kilometers

45 x 1,000 =

Step 4: Ask yourself, “Does my answer make sense?”

- There are 45,000 meters is the same as 45 kilometers.

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