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Measurement

Meter. Liter. Gram. Measurement. Unit 1 Mrs. Callender. WHAT IS A Measurement?. How do I measure AND WHAT UNITS DO I USE?. LESSON ESSENTIAL QUESTION Covering pp. 12 and 13 of your book. What is wrong with this measurement?. The Screw measures 5.1. What is wrong with this measurement?.

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Measurement

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  1. Meter Liter Gram Measurement Unit 1 Mrs. Callender

  2. WHAT IS A Measurement? How do I measure AND WHAT UNITS DO I USE? LESSON ESSENTIAL QUESTIONCovering pp. 12 and 13 of your book.

  3. What is wrong with this measurement? The Screw measures 5.1

  4. What is wrong with this measurement? Missing Units The Screw measures 5.1 cm

  5. To have a Measurement you must have two things: QUANTITY-Something that has magnitude, size, or an amount. UNIT – A quantity adopted as a standard of measurement.

  6. Measurement What would be a measurement for this volume? 76.0 mL

  7. Metrification Most historians agree that Gabriel Mouton, the vicar of St. Paul's Church in Lyons, France, is the "founding father" of the metric system. He proposed a decimal system of measurement in 1670.

  8. SI UNITS 1960 Système International d’Unités or SI Built on seven base units.

  9. Metric Around the World.

  10. SI BASE UNITS

  11. Metric System Prefixes • These prefixes are based on powers of 10. What does this mean? • From each prefix every “step” is either: • 10 times larger or • 10 times smaller • For example • Centimeters are 10 times larger than millimeters • 1 centimeter = 10 millimeters

  12. Metric System Prefixes • For each “step” to right, you are multiplying by 10 • For example, let’s go from a base unit to centi 1 liter = 10 deciliters = 100 centiliters • ( 1 x 10 = 10) = (10 x 10 = 100) • 2 grams = 20 decigrams = 200 centigrams • (2 x 10 = 20) = (20 x 10 = 200)

  13. Metric System Prefixes • If you move to the left in the diagram, move the decimal to the left. • If you move to the right in the diagram, move the decimal to the right.

  14. Metric System Prefixes How many g are in 4 Kg? 1 Kg = 103 g therefore 4 Kg = 4 x 103 g How many mg are in 4 Kg? 1 Kg = 106 mg therefore 4 Kg = 4 x 106 mg

  15. Metric System Prefixes Without using a calculator, convert the following using “think pair share”: 23.5 cg to dag 6. 10 hL to dL 3 mL to hL 7. 27 m to dam 4.25 x 105 KL to cL 8. 0.1 g to hg 65 cg to Kg 9. 0.25 L to KL 6.01 m to cm 10. 1000 cm to hm

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