1. Advanced Meter School August 18-20, 2015 Basic Math 2015

2. The Role Mathematics Play In Metering Register Ratio Watt-hour Constants Usage Between Reads; Billing Technical Information: Equations, Power Triangle, Phasor Diagrams Equations, Power Triangle, Phasor Diagrams

3. Addition Subtraction Multiplication Division

4. Fractions 1 Numerator 1 Numerator 2 Denominator 2 Denominator

5. 3 1/3 13 8/9 Fractions

6. Decimal Numbers with Whole and Fractional Parts 3 4 2. 5 9 6 8 Whole Decimal Fraction Whole Decimal Fraction

7. Adding Decimal Numbers 1 2 3. 4 5 1 2 3. 4 5 + 4. 3 0 1 2 7. 7 5 1 2 7. 7 5

8. Adding Fractions 1 + 8 3 9

9. Adding Fractions 3 + 8 9 9

10. Adding Fractions 3 + 8 = 11 9 9 9

11. Adding Fractions 11 = 1 and 2 9 9 9 9

12. Subtracting Whole Numbers 7 2 5 7 2 5 - 5 1 3 2 1 2 Difference 2 1 2 Difference

13. Subtracting with Borrowing 15 15 2 5 15 2 5 15 3 6 5 3 6 5 - 1 8 9 - 1 8 9 1 7 6 1 7 6

14. Subtracting Two Decimal Numbers 1 13 7 10 1 13 7 10 5. 2 3 8 0 5. 2 3 8 0 - 4. 1 5 7 6 - 4. 1 5 7 6 1. 0 8 0 4 1. 0 8 0 4

15. Subtracting Two Fractions 2 _ 1 = 1 2 _ 1 = 1 3 3 3 3 3 3

16. Multiplication Symbols 4 X 4 4 * 4 (4) (4)

17. Multiplying Whole Numbers 1 2 3 1 2 3 X 2 X 2 2 4 6 Product

18. Multiplying Decimal Numbers 4. 1 2 3 4. 1 2 3. X 1. 2. X 1. 2 8 2 4 6 8 2 4 6 4 1 2 3. 4. 9 4 7 6

19. Multiplying Fractions 2 1 2 2 1 2 3 X 2 = 6 3 X 2 = 6 or 1 3

20. Division Symbols 4. 8. 8 4 ) ___ 4 8 or 8 4 /

21. Parts of a Division Problem 3 ) 2. 2. 6 Divisor Quotient Dividend

22. Long Division 23 ). 365736 1 2323 13... 5 115115 20. 7 59 207 : : :

23. Decimal Number Division. 173 )..300.

24. Decimal Number Division 173. 173. ). 300.

25. Dividing Two Fractions 1 3 1 4..... 1 31 4 X= 4 3

26. Ratio A ratio is an expression which compares quantities relative to each other. Simplify

27. 400 : 5 Divide each side 5 80 : 1

28. 288 : 120 Divide each side 120 2.4 : 1

29. 600 : 5 Divide each side 5 120 : 1

30. An average of data refers to a measure of the “middle”. Average

31. 11591091 1475 1123 4848 / 4 = 1212

32. Questions / Answers