Everyday Math Grade 4 – Lesson 4.9 Measuring in Millimeters Copyright © 2011 Kelly Mott.

Everyday MathGrade 4 – Lesson 4.9

Measuring in Millimeters

Copyright © 2011 Kelly Mott

Lesson Components:Part 1: Math Boxes 4.9 Page 106Part 2: PowerPoint LessonPart 3: Math Journal Pages 103-105Part 4: Additional Sheets



Math Boxes Lesson 4.9Page 106


Math Box 1:


Math Box 2:


Math Box 3:


Math Box 4:


Math Box 5:

Everyday MathGrade 4 – Lesson 4.9

Measuring in Millimeters


PART 1: METRIC SYSTEM


Metric System Units


THE METER


In the metric system, the meter is the unit we use to measure distance, height, or length.

Meter


A meter is about the same width as your arms spread out wide.

Meter


A meter is used to measure medium sized things….like the height of a door.


What are some other things that could be measured in meters?


THE CENTIMETER

& MILLIMETER


Centimeters and millimeters are used to measure small things like Tim’s hair.


A centimeter is made up of 10 millimeters. There are 100 centimeters in a meter.

Centimeter


A centimeter is about the same width as your pinkie finger.

Centimeter


What are some things that could be measured in centimeters?


A millimeter is the smallest unit of measure in the metric system. There are 10 millimeters in 1 centimeter and 1,000 millimeters in a meter.

Millimeter


A millimeter is about the same thickness as a dime .

Millimeter


What might we measure in millimeters?


THE KILOMETER


Kilometers are used to measure larger things like the distance to the beach.


A kilometer is made up of 1,000 meters.

Kilometers


What are some things that could be measured in kilometers?


PART 2: MEASURING WITH CENTIMETERS


Centimeters


___Answer =

PART 3: MEASURING WITH MILLIMETERS


Millimeters


___Answer =

YOU TRY!


Millimeters


___Answer =

LET’S ESTIMATE!


Millimeters


___Answer =

Does this make sense?


HOMEWORKPage 103-105


Everyday Math Grade 4 – Lesson 4.9 Measuring in Millimeters Copyright © 2011 Kelly Mott.

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Transcript of Everyday Math Grade 4 – Lesson 4.9 Measuring in Millimeters Copyright © 2011 Kelly Mott.