1. Measurement

3. Two Systems English Metric Uses subjective references and fractions
Based on a standardized unit
Base 10

4. English Inch (“) Foot Yard Mile
Broken into fractions, ¼, ½, ¾, 1/16, 5/32, 3/8….
Foot
Broken into 12 inches
Yard
Broken into 3 feet or 36 inches
Mile
1360 yards or 5280 feet

5. Metric Based on the meter (about 39”) Broken into units of 10
1 meter = 10 decimeters, 100 centimeters, 1000 millimeters
10 mm = about 3/8”, 25.4 mm = 1”
1000 meters = 1 kilometer (about .62 miles)

6. The Ruler

7. What is the length shown?
8 inches
10 inches
100 c
100 mm
None of the above

8. What is the length shown?
55 cm
55 mm
5.5 inches
None of the above

9. What is the length shown?
18 cm
18 mm
18 inches
None of the above

10. What is the length shown?
10 mm
1 mm
1 inch
None of the above

11. What measurement is shown?
10 mm
8.5 cm
8 ½ inches
8 ¼ inches
None of the above

12. What measurement is shown?
10 mm
8.5 cm
8 ½ inches
8 ¼ inches
None of the above