- In your journal, make a data table 1, 2 and 3, and write down the questions.
- Using a meter stick, complete data table 1 and 3.
- Using the meter stick and a string complete data table 2.
- Answer the analysis questions.
Data Table 1 - Rectangular Objects:
|Length of chalkboard|
|Width of chalkboard|
|Length of bulletin board|
|Width of bulletin board|
|Length of desk|
|Width of desk|
|Height of desk|
|Height of classroom door|
Data Table 2 - Irregularly-shaped objects:
|Circumference of your wrist|
|Circumference of your lower arm at its widest point|
|Circumference of your upper arm at its widest point|
|Circumference of a test tube|
Data Table 3 - the Floor Space of the Room:
|Length (counted by number of floor tiles)|
|Width (counted by number of floor tiles)|
|Length of one floor tile (cm)|
|Width of one floor tile (cm)|
- Which metric unit (km, m, cm or mm) is most appropriate for expressing the length and width of the classroom? Why?
- Which metric unit (km, m, cm or mm) is most appropriate for expressing the thickness of a nickel? Why?
- Why is it easier to convert meters to centimeters than to convert yards to inches?
- How would you measure the distance around a jigsaw puzzle piece?
- Calculate the length and width of the classroom (in meters) from the size of one floor tile. Show your calculations!
- Which do you feel is more accurate: the room size measured by the meter stick or the room size calculated from the measurement of one floor tile? Why ?