Download presentation

1
Do Now Fraction W.S. DWP #3

2
9/12/2013 SS-5 Measurement

3
**Metric system - used almost everywhere in the world**

- Its advantage over the customary system related to decimals

4
Kilometer Meter Decimeter Centimeter Millimeter Unit Width of a single bed 1 m m Distance around a city block 1,000 m km Width of CD case 0.1 m dm Width of a fingernail 0.01 m cm Thickness of a dime 0.001 m mm Benchmark Relation to a Meter Abbreviation Metric Units of Length

5
Example 1 What unit of measure provides the best estimate? Justify your answer. A. A ballpoint pen is about 14 _____ long. A ballpoint pen is about 14 cm long. B. A football field is about 100 _____ long. A football field is about 100 m long.

6
Example 2 A. A loaf of bread is about 3 _____ long. B. An earthworm is about 5 _____ long. A loaf of bread is about 3 dm long. An earthworm is about 5 cm long.

7
**The line is between 3 and 4 meters. Closer to 4 m than 3 m.**

Example 7 Use the ruler to measure the length of the line to the nearest centimeter. 1 m The line is between 3 and 4 meters. Closer to 4 m than 3 m. The length of the line is about 4 m.

8
**The line is between 1 and 2 meters. Closer to 1 m than 2 m.**

Example 8 1 m The line is between 1 and 2 meters. Closer to 1 m than 2 m. The length of the line is about 1 m.

9
Your Turn!

10
**Name the most appropriate unit of measure.**

1. A door knob has a diameter of about 7 _____. 2. A ballpoint pen weighs about 3 _____. 3. A gallon of milk is almost 4 _____. 4. Paul estimated the weight of his infant sister to t be 5 _____. cm g L kg

11
Customary Units

12
**Customary system- the measurement system often used in the United States**

-includes units of measurement for length, weight, and capacity.

13
**Customary Units of Length**

Four times around a track mi Mile Width of a classroom door yd Yard Distance from your elbow to your wrist ft Foot Width of your thumb in. Inch Benchmark Abbreviation Unit Customary Units of Length

14
Example 1 What unit of measure provides the best estimate? A. A doorway is about 7 _____ high. B. A calculator is about 6 _____ long. A doorway is about 7 ft high. A calculator is about 6 in. long.

15
Example 2 A. A 4-door sedan is about 5 _____ long. B. A student’s desk is about 3 _____ long. A 4-door sedan is about 5 yd long. A student’s desk is about 3 ft long.

16
**The line segment is closest to 1 in. 5 8**

Example 7 Use the ruler to measure the length of the line segment to the nearest half, fourth, or eighth of an inch. The line segment is closest to 1 in. 5 8 The length of the line segment is about 1 in. 5 8

17
**The line segment is between 1 and 1 in. 1 4 3 8**

Example 8 The line segment is between 1 and 1 in. 1 4 3 8 The length of the line segment is closest to 1 in. 1 4

18
Your Turn!

19
**What unit of measure provides the best estimate? **

1. A row boat is 10 _____ long. 2. A skateboard is 30 _____ long. 3. A pair or earphones weighs 4 _____. 4. Drinking water is delivered in 5 _____ bottle. 5. Estimate the length of the line segment to the nearest half, fourth, or eighth of an inch. ft in. oz gal 2 in.

20
Homework Pg. 18 #1-12 All Study for Quiz Tomorrow

21
**Measurement Scavenger Hunt**

Similar presentations

OK

Class Lab 1 What do you need to know?. Materials 10 pennies Scale or balance Metric ruler Roll of coins Lab book.

Class Lab 1 What do you need to know?. Materials 10 pennies Scale or balance Metric ruler Roll of coins Lab book.

© 2018 SlidePlayer.com Inc.

All rights reserved.

Ads by Google

Ppt on cartesian product business Ppt on tandoori cooking Ppt on operating system linux Ppt on case study of infosys Ppt on viruses and antiviruses Ppt on non food crops Ppt on marketing management by philip kotler's segment-by-segment Ppt on combination of resistances training Ppt on omission of articles in spanish Ppt on dispersal of seeds by animals puzzle