Metric Mania
By Joyce Brackett + Katelyn Marshall
Measurements in centimeters
Textbook
Length: 26 cm. = 260 mm. = 2.6 dm.
Width: 20.7 cm. = 207 mm. = 2.07 dm.
Binder
Length: 25 cm. = 250 mm. = 2.5 dm.
Width: 29 cm. = 290 mm. = 2.9 dm.
Board Game Box
Length: 40 cm. = 400 mm. = 4 dm.
Width: 26.9 cm. = 269 mm. = 2.69 dm.
Best prefix chosen
The best prefix chosen is centimeters because it is the easiest to calculate because we know that for every meter there are 100 centimeters, so all we have to do to convert to meters is measure in centimeters and multiply by 100.
Dimensions
1D: The measurement of a line.
2D: Base*height of an object.
3D: Length*width*height* of an object.
What Is The Meter Based Off Of?
- Fundamental unit of length in the metric system.
- Equivalent to 39.37 inches
- Defined as 1/299,792,458 units of the distance light travels in a vacuum per second.
When do people use meters?
Construction workers use meters to measure the area of the houses they build. The average house in the US is 216m^2.
Carpenters measure room size in meters so they know how much carpet to use.
Class activity conversion questions
1.) Convert 500 mm. to centimeters.
2.) Convert 6.2 dm. to centimeters.
3.) Convert 360 mm. to centimeters.
4.) Convert 5.6 dm. to centimeters.
Work cited
- Howe, Denis. "Meter." Dictionary.com. Dictionary.com, 2010. Web. 06 Oct. 2015.
- Yunghans, Regina. "Average Home Sizes Around the World."Apartmenttherapy.com. BBC, n.d. Web. 06 Oct. 2015.