1. Measuring with a Ruler!!! A super-important engineering skill!!

2. Why Do We Measure? So we can make stuff! –Clearly define aspects of engineered items –Conform to standards –Minimize confusion 1.8ish Build this!

3. To make stuff, we need plans:

4. Two Systems of Measurement: Inches, Feet, Yards, Miles, Pounds, Etc. Meters, Kilometers, centimeters, ounces, etc.

5. Metric: A metric unit is divided into 10 parts Decimals! 1.1 cm 2.5 cm Etc.

6. Standard/Customary/English Inches, Feet and so on Fractions—usually divided into 16 ths and simplified! – After 16 ths come 32 nds, 64 ths, etc. 1 / 16 inch ¼ inch Etc.

7. English System: 1 / 16 1/81/8 3 / 16 1/41/4 5 / 16 7 / 16 9 / 16 11 / 16 13 / 16 15 / 16 3/83/8 5/85/8 7/87/8 3/43/4 1/21/2 0