1. 1 Patterns in Measurement Systems Converting in and between the Metric and Customary Systems

2. 2 The Customary System

3. 3 12 in = 1 ft 3 ft = 1 yd 1760 yd = 1 mi inftmiyd × 1760× 3× 12 ÷ 12÷ 3÷ 1760 Length

4. 4 8 fl oz = 1 c 2 c = 1 pt 2 pt = 1 qt fl ozcqtpt × 2 × 8 ÷ 8÷ 2 Capacity 4 qt = 1 gal gal × 4 ÷ 4

5. 5 16 oz = 1 lb 2000 lb = 1 T ozlbT × 2000× 16 ÷ 16÷ 2000 Weight

6. 6 7 d = 1 wk 24 hr = 1 d 60 min = 1 hr wkdayminhr × 60× 24× 7 ÷ 60 Time 60 sec = 1 min sec × 60 yr × 52 ÷ 60÷ 24÷ 7÷ 60÷ 52

7. 7 The Metric System

8. 8 length mass capacity The metric system measures length, mass and capacity. lengthmeters massgrams capacityliter

9. 9 kilo-1,000 hecto-100 deka-10 unit1 deci-0.1 centi-0.01 milli-0.001

10. 10 Conversion Shortcut. Write this down! kmmmcmm × 1,000 × 100× 10 ÷ 1,000÷ 100÷ 10

11. 11 kilo- hecto- deka- unit deci- centi- milli- move the decimal to the right as you go down. move the decimal to the left as you go up.

12. 12 Conversions If you go up on the chart the decimal will go to the left. If you go down on the chart the decimal will go to the right.

13. 13 King Henry Drank Unhealthy Dark Chocolate Milk kilo- hecto- deka- Unit deci- centi- milli-

14. 14 KingKing HenryHenry DrankDrank UnhealthyUnhealthy DarkDark ChocolateChocolate MilkMilk kilo-hecto-deka-unitdeci-centi-milli-

15. 15 Length 1 in ~ 2.5 cm 1 cm ~ 0.4 in Weight & Mass 1 kg ~ 2.2 lb. 1 lb. ~ 0.45 kg Converting Capacity 1 L ~ 0.26 gal 1 gal ~ 3.79 L