1. Problem of the Day
Set up the proportion needed to find the height of the tree in the picture below.

2. 1-3: Measuring in Metric Units
Change metric units of Length, Capacity, and Mass; Estimate metric measurements

3. Metric Measurement System
Vocabulary
Metric Measurement System
International system of weight and measurement, that utilizes the decimal system.

4. Length Capacity Millimeter (mm): Thickness of a dime.
Centimeter (cm): about the width of your little finger.
Meter (m): about the distance from a doorknob to the floor.
Kilometer: about the length of 11 football fields; 2 ½ laps around football field track.
Capacity
Milliliter (mL): a spoon holds about 5 mL.
Liter (L): a little more than a quart.
Mass
Milligram (mg): About the mass of a mosquito.
Gram (g): About the mass of a paper clip.
Kilogram: About the mass of a pair of shoes, baseball bat.

5. Estimating metric measures…
Length of a pencil.
Height of the classroom ceiling.
Mass of a textbook
Length of the Smartboard
Mass of a student desk
Thickness of a piece of paper
Thickness of a textbook
8) Capacity of a typical water bottle
9) Length of the classroom
10) Length of your desktop
About 19 cm
A little more than 3 m
About 1 kg
1 ½ meters
About 5 kg
1/3 of a mm
3 ½ cm
½ a liter
7 meters
About 30 cm

6. Vocabulary Kilo 1000 Hecto 100 Deka 10
Base Unit 1 Meters, Liters, Grams
Deci .10
Centi .01
Milli .001

7. Keep in mind... Cross cancellation simplifying when multiplying fractions.
5 x 18 =
6 25
Canceling also holds true for units…
871 cm x 1 m = cm

8. To convert units within the metric measurement system…
THINK: Are you going to a “larger” unit or a “smaller” unit. Will you have more or less of the new unit???
Determine the base unit conversions
Set-up the conversion factor that will cancel the original unit, while introducing the new unit.
Multiply factors, canceling units where necessary

9. Problems/Examples of A) ___ L = 90 mL 1 L = 1000 mL 90 mL x 1 L

10. Problems/Examples of B) 0.6 mL = ___ L 1 L = 1000 mL 0.6 mL = 1 L

11. Problems/Examples of C) ___ mg = 2.7 kg 1 kg = 1000 g 2.7 kg x 1000 g
1 g = 1000 mg
2700 g x 1000 mg g

12. Problems/Examples of D) _____ km = 620,000 m 1 km = 1000 m
620,000 m x 1 km m

13. Examples Kilo Hecto Deka Base Deci Centi Milli
Unit
28 cm = ____ mm
280
B) 438 cm = ____ m
4.38
C) 72 g = ______ mg
72,000

14. Examples Kilo Hecto Deka Base Deci Centi Milli
Unit
202 g = _____ kg
0.202
2 L = ______ mL
2,000
2.4 kL = _____ L
2,400