1. EXTRA PRACTICE Slide 2&3- prefixes Slide 4&5- prefixes and metric measurement

2. Match the numbers to their prefixes! 1) 1,000 2) 1 3) 100 4) 1/1,000,000 5) 10 6) 1,000,000,000 7) 1/1,000,000,000 8) 1/1,000 9) 1/10 10) 1/100 11) 1,000,000

3. Prefix Answers 1) kilo- 2) basic measurement 3) hecto- 4) micro- 5) deca- 6) giga- 7) nano- 8) milli- 9) deci- 10) cent- 11) mega-

4. What kind of prefix and standard unit would be the best option in these situations? 1.Measuring the amount of water on Earth. 2.Measuring the weight of an ant. 3.Measuring the length of a meter stick. 4.Measuring from Alaska to China. 5.Measuring the weight of bacteria.

5. Answers 1.Gigaliters, you could actually use an even bigger unit of measurement! 2.Milligrams 3.Meter 4.Megameters 5.Nanograms