1. Measurement
Introduction

2. Common Core Standard
MCC6.RP.3d Use ratio reasoning to convert measurement units; manipulate and transform units appropriately when multiplying or dividing quantities.

3. How do you understand and select appropriate units of measure?
Essential Question
How do you understand and select appropriate units of measure?

4. Customary System
The customary system is the measurement system often used in the United States. It includes units of measurement for length, weight, and capacity.

5. Customary Units of Measure
Customary Units of Length
Unit
Abbreviation
Benchmark
Inch
in.
Width of your thumb
Foot ft
Distance from your elbow to your wrist
Yard yd
Width of a classroom door
Mile mi
Total length of 18 football fields
Complete Customary Measurement Conversions Flip Chart during this lesson

6. Customary Units of Measure
Customary Units of weight
Unit
Abbreviation
Benchmark
Ounce oz
A slice of bread
Pound lb
A loaf of bread
Ton T
A small car

7. Customary Units of Measure
Customary Units of Capacity
Unit
Abbreviation
Benchmark
Fluid Ounce
fl oz
A spoonful
Cup c
A glass of juice
Pint pt
A small bottle of salad dressing
Quart qt
A small container of paint
Gallon
gal
A large container of milk

8. What unit of measure provides the best estimate?
A pencil is about 7 _______________ long.

9. What unit of measure provides the best estimate?
A tube of toothpaste weighs about 8 _________.

10. What unit of measure provides the best estimate?
A swimming pool holds about 20,000 ______ of water.

11. What unit of measure would you use for each?
The height of a flagpole

12. What unit of measure would you use for each?
The capacity of a car’s gas tank

13. What unit of measure would you use for each?
The weight of an egg

14. What unit of measure would you use for each?
The width of a CD case

15. What unit of measure would you use for each?
The capacity of a baby’s bottle

16. What unit of measure would you use for each?
The weight of a chair

17. What unit of measure provides the best estimate?
A house is about 5 _________ tall.

18. What unit of measure provides the best estimate?
A large screen TV can weigh up to 346 ______.

19. What unit of measure provides the best estimate?
A fish bowl holds about 5 ______ of water.