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Author: Rebecca Tresino, Sun Valley Jr./Sr. High, AKGrade Level/Subject: Math - Secondary Students
Overview:
Students will use a shortcut method to change one metric unit to another (ex: kilometers to centimeters), by using a diagram which uses words students can relate and remember.
Purpose: To simplify metric equivalents.
Objectives: Students will be able to convert a metric measurement to another, easily and quickly.
Activities:
K H D (unit) D C M --------- which stands for: K H D (meter) D C M i e e -------- e e i l c k c n l o t a i t i o i students will remember: K over H over D over ______ D over C over M i u r o a o n m a g t u g a g s s n o e s n s
- You will decide what unit you are changing FROM and what unit you are changing TO.
- Starting at the FROM unit, count over (keeping in mind "left" or "right") to the TO unit.
**This will be the number of places you will move the decimal in your answer.
Examples:
32 kilograms = ______________ grams
You want to change FROM kilograms TO grams. Use diagram and count over, starting at kilograms to grams.
K H D (grams) D C M -------- -> 1->2-> 3 **(3 places to the right)Now we use this information (3 places to the "right") and apply to the given information - 32 kilograms.given info 3 places to the "right" ----------- ----------------------- 32 kilograms = 32.000. = 32000 32 kilograms = 32000 grams -----
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