Long long ago people used to use their
- Slides: 14
Long, long ago, people used to use their own body parts to measure objects. But there were problems. People created a new system that was based on something reliable. Something universal. Something logical. Something never-changing. 10 North Pole Equator The Earth! They took the distance from the North Pole to the equator and divided it by We know this unit as 1 meter.
1 mm 1 cm 1 dm Each unit is 10 times bigger than the previous unit. 10 TEN x 10 x 10 1 kilometer= 10 hectometers= 100 dekameters= 1000 decimeters= 10, 000 centimeters= 100, 000 milliliters
Kilometer 1000 (Thousand) Hectometer 100 (Hundred) Decameter 10 (Ten) Unit 1 (One) Decimeter. 1 (Tenth) Centimeter. 01 (Hundredth) Millimeter. 001 (Thousandth)
Kilometer 1000 (Thousand) Hectometer 100 (Hundred) Decameter 10 (Ten) Unit 1 (One) Decimeter. 1 (Tenth) Centimeter. 01 (Hundredth) Millimeter. 001 (Thousandth)
Kiloliter 1000 (Thousand) Hectoliter 100 (Hundred) Decaliter 10 (Ten) Unit 1 (One) Deciliter. 1 (Tenth) Centiliter. 01 (Hundredth) Milliliter. 001 (Thousandth)
Kiloliter 1000 (Thousand) Hectoliter 100 (Hundred) Decaliter 10 (Ten) Unit 1 (One) Deciliter. 1 (Tenth) Centiliter. 01 (Hundredth) Milliliter. 001 (Thousandth)
Kilogram 1000 (Thousand) Hectogram 100 (Hundred) Decagram 10 (Ten) Unit 1 (One) Decigram. 1 (Tenth) Centigram. 01 (Hundredth) Milligram. 001 (Thousandth)
Kilogram 1000 (Thousand) Hectogram 100 (Hundred) Decagram 10 (Ten) Unit 1 (One) Decigram. 1 (Tenth) Centigram. 01 (Hundredth) Milligram. 001 (Thousandth)
Length A cubic centimeter (cmᵌ) is 1 cm x 1 cm 1 g 1 cmᵌ = 1 g (water) Mass 1000 cmᵌ 1 ml Volume 1 kg = 1000 ml (water) 1000 cubic centimeters = 1 liter
1 Spot to the right To convert to a smaller unit, move the decimal point to the right or multiply by 10 s. Kilo 1000 (Thousand) 2 Spots to the right Hecto 100 (Hundred) Deca 10 (Ten) Unit 1 (One) To convert to a larger unit, move the decimal point to the left or divide by 10 s. Deci . 1 (Tenth) Centi . 01 (Hundredth) Milli . 001 (Thousandth) Why an Elephant? Because an elephant footprint looks like a zero! For Example… There are ______ centimeters in 3 meters. Answer: 30 0 Elephant 1 Spot Footprints! to the right 2 Spots to the right (zeros)
Example 1 Spot to the right Kilo 1000 (Thousand) 2 Spots to the right Hecto 100 (Hundred) Deca 10 (Ten) Unit 1 (One) Deci . 1 (Tenth) Centi . 01 (Hundredth) Milli . 001 (Thousandth) There are ______ millimeters in 1. 5 decimeters. Answer: 1 5 0 1 Spot to the right 2 Spots to the right
Example 1 Spot to the left Kilo 1000 (Thousand) 2 Spots to the left Hecto 100 (Hundred) Deca 10 (Ten) Unit 1 (One) Deci . 1 (Tenth) Centi . 01 (Hundredth) Milli . 001 (Thousandth) There are ______ kilometers in 2. 8 decameters. Answer: 0 2 8 1 Spot to the left 2 Spots to the left
Example 1 Spot to the left Kilo 1000 (Thousand) 2 Spots to the left Hecto 100 (Hundred) Deca 10 (Ten) Unit 1 (One) Deci . 1 (Tenth) Centi . 01 (Hundredth) Milli . 001 (Thousandth) There are ______ hectometers in 7. 5 meters. Answer: 0 7 5 1 Spot to the left 2 Spots to the left
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