CONFIDENTIAL 1

Good Afternoon!Today we will be learning about

Simple conversions with Customary Units

Let’s warm up :

What unit would you use to measure the weight for each?

1) A story book.

2) A dog.

3) A paper napkin.

4) A bag of apples.

1) pound

2) kg

3) ounce

4) pound

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Let’s review what we did in the previous chapter

WEIGHT: It is a customary measurement that tells how heavy an object is.

Like, we can say that:The dog’s weight is equal to 12 pounds.

An ounces (oz) is used to measure weight in the customary system.

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Review

The cat’s weight is 9 pounds.

A strawberry’s weight is 1 ounce (oz).

A pineapple’s weight is 1 pound (lb).

A car’s weight is 1 ton (T).

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Review

When measuring capacity in the customary system the common units used are Ounces,

pound , and ton .

From smallest to greatest capacity measurements are compared as:

Ounces, pound and ton .

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Review

Customary Units of Weight

16 ounces (oz) = 1 pound (lb)

2,000 pounds (lb) = 1 ton (T)

Customary Units use to measure the weight are:

CONFIDENTIAL 6

Review

Which is more reasonable for the weight of a bag of oranges – 1 pound or 1 ounce?

A bag of oranges is too large to weigh an ounce. An ounce would be the weight of something very light. So, measuring in

terms of pound would be more appropriate.

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Today we will learn about the Simple conversions with Customary

Units.

CONVERT: Change from one unit to another, such as from feet to inches.

Change Larger to Smaller units

To change to a smaller unit, multiply.

Example: How many inches are in 6 feet?

12 inches = 1 foot6 feet = 6 x 12 = 72 inches

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Change Smaller to Larger units

To change to a Larger unit, divide.

Example: How many feet is 48 inches?

1 foot = 12 inches48 inches = 48 ÷ 12 = 4 feet

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Simple Conversion Tables

Inches

Feet Yards

12 1

24 2

36 3 1

48 4

60 5

72 6 2

84 7

96 8

108 9 3

Feet Yards

Miles

5,280 1,760 1

10,560

3,520 2

15,840

5,280 3

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Cups Pints Quarts

Gallons

2 1

4 2 1

6 3

8 4 2

10 5

12 6 3

14 7

16 8 4 1

Simple Conversion Tables

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Simple Conversion Tables

Ounces

Cups Pounds

8 1

16 2 1

24 3

32 4 2

40 5

48 6 3

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Convert Gallons to Quarts

To change to a smaller unit, multiply.

Example: How many Quarts is 4 gallons?

We are given,

4 gallons = __ quarts4 x 4 = 16

4 gallons = 16 quarts

4 gallons is equal to 16 quarts.

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Convert Ounces to Pounds

To change to a Larger unit, divide.

Example: How many Pounds is 560 ounces?

We are given,

560 ounces = __ Pounds 560 ÷ 16 = 35

560 ounces = 35 Pounds

560 ounces is equal to 35 Pounds .

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Convert tons to pounds

To change to a smaller unit, multiply.

Example: How many Pounds is 2 tons?

We are given,

2 tons = __ pounds2 x 2,000 = 4,000

2 tons = 4,000 pounds

2 tons is equal to 4,000 pounds.

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BREAK

CONFIDENTIAL 16

GAME

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http://www.thekidzpage.com/onlinejigsawpuzzles/jigsaw-puzzles/12-piece-jigsaw/110505orangutan.html

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Assignment

1) How many inches are in 3 feet?

2) How many inches are in 7 feet?

3) How many feet is 24 inches?

4) How many feet is 72 inches?

1) 36 inches

2) 84 inches

3) 2 feet

4) 6 feet

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5) How many Quarts is 3 gallons?

7) How many Pounds is 640 ounces?

6) How many Quarts is 5 gallons?

8) How many Pounds is 960 ounces?

5) 12 quarts

6) 20 quarts

7) 40 pounds

8) 60 pounds

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9) How many Pounds is 3 tons?

10) How many Pounds is 7 tons?

9) 6,000 tons

10) 14,000 tons

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Very Good!Let's Review

CONVERT: Change from one unit to another, such as from feet to inches.

Change Larger to Smaller units

To change to a smaller unit, multiply.

Example: How many inches are in 6 feet?

12 inches = 1 foot6 feet = 6 x 12 = 72 inches

Change Smaller to Larger units

To change to a smaller unit, divide.

Example: How many feet is 48 inches?

1 foot = 12 inches48 inches = 48 ÷ 12 = 4 feet

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Review

Simple Conversion Tables

Inches

Feet Yards

12 1

24 2

36 3 1

48 4

60 5

72 6 2

84 7

96 8

108 9 3

Feet Yards

Miles

5,280 1,760 1

10,560

3,520 2

15,840

5,280 3

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Review

Cups Pints Quarts

Gallons

2 1

4 2 1

6 3

8 4 2

10 5

12 6 3

14 7

16 8 4 1

Simple Conversion Tables

Ounces

Cups Pounds

8 1

16 2 1

24 3

32 4 2

40 5

48 6 3

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Review

Convert Gallons to Quarts

To change to a smaller unit, multiply.

Example: How many Quarts is 4 gallons?

We are given, 4 gallons = __ quarts

4 x 4 = 164 gallons = 16 quartsConvert Ounces to Pounds

To change to a smaller unit, divide. Example: How many Pounds is 560

ounces?We are given,

560 ounces = __ Pounds 560 ÷ 16 = 35

560 ounces = 35 Pounds

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Review

Convert tons to pounds

To change to a smaller unit, multiply.

Example: How many Pounds is 2 tons?

We are given,

2 tons = __ pounds2 x 2,000 = 4,000

2 tons = 4,000 pounds

CONFIDENTIAL 25

You have done a nice job.See you in the next session.