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

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

Addition Subtraction Multiplication Division

Fractions 1 Numerator 1 Numerator 2 Denominator 2 Denominator

3 1/3 13 8/9 Fractions

Decimal Numbers with Whole and Fractional Parts Whole Decimal Fraction Whole Decimal Fraction

Adding Decimal Numbers

Adding Fractions

Adding Fractions

Adding Fractions =

Adding Fractions 11 = 1 and

Subtracting Whole Numbers Difference Difference

Subtracting with Borrowing

Subtracting Two Decimal Numbers

Subtracting Two Fractions 2 _ 1 = 1 2 _ 1 =

Multiplication Symbols 4 X 4 4 * 4 (4) (4)

Multiplying Whole Numbers X 2 X Product

Multiplying Decimal Numbers X X

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

Division Symbols ) ___ 4 8 or 8 4 /

Parts of a Division Problem 3 ) Divisor Quotient Dividend

Long Division 23 ) : : :

Decimal Number Division. 173 )..300.

Decimal Number Division ). 300.

Dividing Two Fractions X= 4 3

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

400 : 5 Divide each side 5 80 : 1

288 : 120 Divide each side : 1

600 : 5 Divide each side : 1

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

/ 4 = 1212

Questions / Answers