1. oneone CS-3A Objective: To identify the basic metric units and their related prefixes in order to estimate metric lengths, masses, and volumes. CSI Note: Why is the metric system better than the customary system for measurement? Drill: 1. Take out your lesson sheet from yesterday 2. Compare your homework answers with your neighbor.

2. oneone CS-3A Review: Basic Units length/distance – meter (m) mass - gram (g) volume - liter (L)

3. oneone CS-3A Review: Metric Prefixes deci- (d-) one tenth centi- (c-) one hundredth milli- (m-) one thousandth deka-/deca- (da-) ten hecto- (h-) one hundred kilo- (k-) one thousand

4. oneone CS-3A Homework Give 3 reasons why scientists prefer to use the metric system. 1.M.S. is based on the number 10 rather than random numbers. 2.M.S. uses the same prefixes for all measurements. C.S. doesn’t use prefixes. 3.M.S. uses decimals instead of fractions. 4.M.S. is more widely used than C.S.

5. oneone CS-3A SAVE PAPER and EXTRA CREDIT

6. oneone CS-3A TRY THESE: dekawatt kilobyte centiblip hectomillion milliblast megavolt nanosecond

7. oneone CS-3A Homework Paragraph: Am I a 6 th Grader? 1. Use your ditto 2. Look at each skill 3. Check the skill if you consistently perform it. 4. Choose several skills that you would like to work on. 5. Write your paragraph. 6. Be proud.