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Measurement in the Customary System

Measurement in the Customary System

Assessment

Presentation

Mathematics

5th - 7th Grade

Hard

CCSS
5.MD.A.1, 2.MD.A.1

Standards-aligned

Created by

Darcy Mascarenas

Used 11+ times

FREE Resource

6 Slides • 4 Questions

1

Measurement in the Customary System

I can convert units of measurement in the customary system and solve real-world problems.

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2

Customary Units

Measurement units are broken into categories of length, weight, capacity, and time.

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3

Multiple Select

What are the categories of measurement?

1

Rulers, feet, inches, ounces

2

Length, weight, capacity, time

4

Using Multiplication to convert measurements

  • Use Multiplication to convert larger units of measurement to smaller units of measurement.

  • When the units are smaller you need more of them to express the same measurement.

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5

Multiple Choice

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A juice company sells juice in gallon-sized containers. If the company produces the number of gallons of juice every quarter given in the table, how many quarts will be produced in the first quarter? (Hint:Gallon>Quart, 1 gallon = 4 quarts)

1

24 Quarts

2

4 Quarts

3

12 Quarts

4

10 Quarts

6

Using Division to Convert Measurement

  • Use division to convert smaller units of measurement to larger units of measurement

  • When the units are larger you need fewer of them to express the same measurement

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7

Multiple Choice

A doctor weighs a one-month-old baby during a checkup. The baby weighs 128 ounces. How many pounds are in 128 ounces? (Hint: Ounces<Pounds; 1 Pound = 16 ounces)

1

2048 Pounds

2

16 Pounds

3

8 Pounds

4

17 Pounds

8

Use Conversion Factors to convert measurement

  • A conversion factor is a ratio written as a fraction that expresses the same measure in 2 different units. (ex. 1ft/12in or 12in/1ft)

  • Set up what you know as a fraction over 1 (ex. 36in/1)

  • ALWAYS use multiplication

  • Use the conversion factor with the measurement you already have as the denominator

  • Units diagonal of each other will cancel each other out and leave you with the measure you are finding

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9

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10

Multiple Choice

A watermelon is shot out of an air cannon and travels 22 yards. How many feet does the watermelon travel? Which conversion factor could you use to answer the question?  (Hint: you are converting yards to feet 1 yard = 3 feet; you also know that you have 22 yards and will have to place it over a 1 to make it a fraction)

1

1yd3ft\frac{1yd}{3ft}

2

1ft3yd\frac{1ft}{3yd}

3

3yd1ft\frac{3yd}{1ft}

4

3ft1yd\frac{3ft}{1yd}

Measurement in the Customary System

I can convert units of measurement in the customary system and solve real-world problems.

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