1. Reading an English Ruler
CAMS Technology Education
Mr. Offutt
Mr. Barket

2. Reading an English Ruler
English Units:
Miles
Yards
Feet
Inches
Fractions of an Inch

3. Fractions:
Bottom Number = Total Parts
Denominator
Will always be even

4. Fractions: Top Number = Parts you are measuring Numerator
Will always be odd
Bottom Number = Total Parts
Denominator
Will always be even

5. Determine the bottom Number (Denominator) Hint: Count total parts2 1”

6. Determine the Top Number (Numerator) Hint: Count parts you measuring1 1” 2

7. Determine the bottom Number (Denominator) Hint: Count total parts1”

8. Determine the bottom Number (Denominator) Hint: Count total parts1” 4 4 4

9. Determine the Top Number (Numerator) Hint: Count parts you measuring1” 4 4 4

10. Determine the Top Number (Numerator) Hint: Count parts you measuring1” 1 4 4 4

11. Determine the Top Number (Numerator) Hint: Count parts you measuring1” 1 2 4 4 4

12. Determine the Top Number (Numerator) Hint: Count parts you measuring1” 1 3 2 4 4 4

13. Determine the Top Number (Numerator) Hint: Count parts you measuring1” 1 3 2 4 4 4
Do any of these fractions look strange?

14. Reducing a Fraction 1” 1 3 2 4 4 4
2/4 is an improper fraction
To reduce or simplify a fraction find a number that divided evenly into both numbers

15. Reducing a Fraction 1” 1 3 1 4 4 4
2/4 is an improper fraction
To reduce or simplify a fraction find a number that divided evenly into both numbers

16. Reducing a Fraction 1” 1 3 1 4 4 2
2/4 is an improper fraction
To reduce or simplify a fraction find a number that divided evenly into both numbers

17. Determine the first fraction below:1”

18. Determine the first fraction below:1” 1 8

19. Determine the remaining fractions on your own1” 1 8
Reduce / Simplify your fractions
Top numbers should be odd

20. Check your answers 1” 1 8

21. Check your answers 1” 1 1 8 4

22. Check your answers 1” 1 3 1 8 8 4

23. Check your answers 1” 1 3 1 8 8 1 4 2

24. Check your answers 1” 1 3 5 1 8 8 8 1 4 2

25. Check your answers 1” 1 3 5 1 3 8 8 8 1 4 4 2

26. Check your answers 1” 1 3 5 7 1 3 8 8 8 8 1 4 4 2

27. Determine the first fraction below:1”

28. Determine the first fraction below:1 1” 16

29. Determine the remaining fractions on your own1 1” 16
Reduce / Simplify your fractions
Top numbers should be odd

30. Check your answers: 1 1” 16

31. Check your answers: 1 1” 1 16 8

32. Check your answers: 1 3 1” 1 16 16 8

33. Check your answers: 1 3 1” 1 16 16 1 8 4

34. Check your answers: 1 3 5 1” 1 16 16 1 16 8 4

35. Check your answers: 1 3 5 1” 1 3 16 16 1 16 8 8 4

36. Check your answers: 1 3 5 7 1” 1 3 16 16 1 16 16 8 8 4

37. Check your answers: 1 3 5 7 1” 1 3 16 16 1 16 16 1 8 8 4 2

38. Check your answers: 1 3 5 7 9 1” 1 3 16 16 1 16 16 16 1 8 8 4 2

39. Check your answers: 1 3 5 7 9 1” 1 3 5 16 16 1 16 16 16 1 8 8 8 4 2

40. Check your answers: 1 3 5 7 9 11 1” 1 3 5 16 16 1 16 16 16 16 1 8 8 8 4 2

41. Check your answers: 1 3 5 7 9 11 1” 1 3 5 16 16 1 16 16 16 16 3 1 8 8 8 4 4 2

42. Check your answers: 1 3 5 7 9 11 13 1” 1 3 5 16 16 1 16 16 16 16 16 3 1 8 8 8 4 4 2

43. Check your answers: 1 3 5 7 9 11 13 1” 1 3 5 7 16 16 1 16 16 16 16 16 3 1 8 8 8 8 4 4 2

44. Check your answers: 1 3 5 7 9 11 13 15 1” 1 3 5 7 16 16 1 16 16 16 16 16 16 3 1 8 8 8 8 4 4 2

45. Key Point:This fraction pattern repeats between all inches on a ruler!1 3 5 7 9 11 13 15 1” 1 3 5 7 16 16 1 16 16 16 16 16 16 3 1 8 8 8 8 4 4 2

46. Key Point:This fraction pattern repeats between all inches on a ruler!1 3 5 7 9 11 13 15 1” 1 3 5 7 16 16 1 16 16 16 16 16 16 3 1 8 8 8 8 4 4 2
Lets practice this together

47. Today’s Activity Measure each block (A-F) in your color
Use English measurements, NOT Metric
Include the whole inches in your measurement
Record your answers on your worksheet
DO YOUR OWN WORK!
Sit quietly when finished

49. Homework Only Homework assignment in Tech-ed
You may take today’s worksheet with you
Get help if you need
DO YOUR OWN WORK
Due next class period
Worth 100 Points