1. MEASURING
STANDARD AND METRIC

2. CUBIT
Cubit: In ancient Egypt, a cubit was the distance from the elbow to the fingertips. Today a cubit is about 18 inches.

3. WHOSE CUBIT DO WE USE

4. CONSIDER THE FOOT This is where the “Ruler” got it’s name.
Foot: In ancient times, the foot was 111/42 inches. Today it is 12 inches, the length of the average man's foot.
This is
where the
“Ruler”
got it’s
name.

5. Where did the inch come from?
Inch: At first an inch was the width of a man's thumb. In the 14th century, King Edward II of England ruled that 1 inch equalled 3 grains of barley placed end to end lengthwise.

6. The first to standardize were the Romans
1 mile is 1000 double steps by marching roman troops

7. The yard, foot and inch
1 YARD
3 FEET
36 INCHES
King Edward

8. ACRE
1 ACRE

9. FURLONG
1 FURLONG IS THE LENGTH OF A FURROW PLOWED ACROSS A 10 ACRE FIELD WHICH IS 220 YARDS
24 FURLONGS
5280 FEET

10. LETS REVIEW 36 inches 3 feet King Edward 1 yard 1 furlong = 220 yards
The English System
36 inches
3 feet
King Edward
1 yard
1 furlong
= 220 yards
1 mile
5280 feet
24 furlongs

11. CREATED BY FRENCH SCIENTISTS IN THE 1790
METRIC SYSTEM
CREATED BY FRENCH SCIENTISTS IN THE 1790

12. METER
THE METER IS 1,670, WAVE LENGTHS OF A SPECTRAL YELLOW LIGHT EMITTED BY KRYPTON GAS.
1 METER

13. METER CENTIMETER MILLIMETER
CFGNFG
There would be 10 millimeter lines between each of the small centimeter lines

14. KILOMETER

15. HECTOMETER

16. DECAMETER MILLIMETER 1000 th CENTIMETER 100 th DECIMETER 10 th METER 1
HECTOMETER 100
KILOMETER

17. WHICH ONE IS EASIER? MILLIMETER 1000 th CENTIMETER 100 th
DECIMETER th
METER
DECAMETER 10
HECTOMETER 100
KILOMETER
How many millimeters in a kilometer?
INCH 1
FEET
YARD 3
MILE
How many inches in a mile?

18. WHY DO WE NEED TO KNOW THE METRIC SYSTEM?