After reading the "Fairy Tale of King Henry", students will understand how to convert between the different metric units.
For the teacher:
For each student:
For each set of partners or teams:
Additional Resources
Math Curse by Joh Scieszka and Lane Smith
Fast & Fun Mental Math by Chuck Lotta
The metric system might seems new to some students. Reminding them that pop comes in liters may make a connection to students. The metric system of measurement increases in increments of ten. Students should have had experience multiplying and dividing decimals.
Vocabulary
Area: The measure, in square units, of the inside of a closed plane figure.
Capacity: The maximum amount that can be contained by an object. Often refers to measurement of a liquid.
Metric System: A system of measurement based on tens. The basic unit of length is the meter. The basic unit of mass is the gram. The basic unit of capacity is the liter.
Perimeter: The distance around a figure.
Plane Figure: A figure that lies on a flat surface.Metric Units of Measure:
Length
1 centimeter (cm) = 10 millimeters (mm) 1 decimeter (dm) = 100 millimeters = 10 centimeters 1 meter (m) = 1,000 millimeters = 100 centimeters = 10 decimeters 1 dekameter (dam) = 10,000 millimeters = 1,000 centimeters = 100 decimeters = 10 meters
1 hectometer (hm) = 100,000 millimeters
= 10,000 centimeters
= 1,000 decimeters
= 100 meters
= 10 dekameters
1 kilometer (km) = 1,000,000 millimeters
= 100,000 centimeters
= 10,000 decimeters
= 1,000 meters
= 100 dekameters
= 10 hectometers Area
1 square centimeter (cm2) = 100 square millimeters (mm2) 1 square decimeter (dm2) = 100 square centimeter (cm2) 1 square meter (m2) = 10,000 square centimeters
= 100 square decimeters Volume
1 cubic centimeter (cm3) = 1,000 cubic millimeters (mm3) 1 cubic decimeter (dm3) = 1,000 cubic decimeters Capacity
1 liter (L) = 1,000 milliliters (mL) = 1 cubic decimeter (dm3) Mass
1 gram (g) = 1,000 milligrams
1 kilogram (kg)= 1,000 grams
1 metric ton (t)= 1,000 kilograms 1 cubic centimeter (cm3) = holds 1 milliliter of water that has a mass of 1 gram
2. Become mathematical problem solvers.
3. Reason mathematically.
5. Make mathematical connections.
Invitation to Learn
Working in partners, students will measure various candies or items in a baggy
using the width of their index finger. Each student will record the results
of the measurement to the nearest index finger width on "Candy Measuring"
worksheet.
Instructional Procedures
Example: 30 m = ____ cm |
answers: | 30 m = 3,000 cm |
____ m = 250 dm | 25 m = 250 dm |
Concentration game
To make your own Concentration board:
Curriculum Integration
Math/Science: Science--The Science Fair requires all measurements to be
done in the metric system.
Science--Working with matter, it would be helpful to use the metric system.
Possible Extensions/Adaptations/Integration
Instruct students in the step process for converting metric units.
Students could also make a half-size me using the metric or customary units of measurement (recording sheet and "Make a Half- Sized Me" is attached).
Students could make a 2x the size of a doll or paper doll in either the metric or customary units of measurement.
Students measure candy/items in a baggy to the nearest centimeter and 1/8 inch and record their answers.
Homework & Family Connections
Students can estimate and then measure several items in their home.
Students create a half-size me using a metric measuring tape.