1. Measurement

2. Every Measurement Consists of two things ● ___________________

3. Standards ● A standard is: ● Example: The CHARLIE Stick ● The room is ______________Charlies by ______________Charlies

4. Floor covering Activity ● The school board would like to replace the flooring in the room with nonslip tiling ● The cost of flooring is $20 per square meter 1. Form your construction companies name 2. Measure the room and come up with an estimate for the cost of materials

5. Precision and Accuracy ● Precision: ● Accuracy: ● Examples:

6. Precision and Acuracy

8. Scientific notation ● Base Ten ● ones place decimal point ● Scientific notation 1000; 1999; 207,780; 0.078; 698; 1,400,000 Diameter of solar system 143,730,000,000 Km Diameter of Carbon Atom 0.000 000 000 154 m Powers of ten video

9. Significant Numbers Significant Numbers are digits up to and including the first uncertain digit. 1.15mL implies 1.15 ± 0.01 mL Counting significant numbers Convert to scientific notation Disappearing zeros just hold the decimal point – they are not significant

10. Distance ● Standard unit: ● measuring instruments ● metric stick ● roller ● ruler ● tape ● caliper ● Area - Student Planner page

11. Mass ● Standard unit: ● measuring instruments ● balance ● electronic scale

12. Volume ● Standard unit: ● measuring ● calculation (Student Planner page) ● volume displacement ● fluid ● Cubic decimeter - make a cubic decimeter

13. Prefixes and conversions Micro (µ)

14. Conversions within metrics

15. Relationship between distance, volume, and mass 1 cm 3 = 1mL 1 mL of water = 1 g Compare cm 3, Dcm 3, m 3

16. Converting between systems ● equality/conversion factor method ● an equality is: ● a conversion factor is: ● Conversions in student planner 1 inch = 2.54 cm 1inch/2.54 cm 2.54 cm/1 inch 12in *2.54cm/in = 30.48cm