Monday, 5 December 2011

MATHEMATICS FORMULA



 Topic 1:  WHOLE NUMBERS 

a.) Place Value and Value of Digit

Digit
7
8
0
6
2
4
9
Place Value
Millions
Hundred Thousands
Ten Thousands
Thousands
Hundreds
Tens
Ones
Value of Digit
7 000 000
800 000
0
6000
200
40
9


b.) Mixed  Operations 
        B = Brackets
        O = Of
        D = Division
        M = Multiplication
        A = Addition
        S = Subtraction

c.) Rounding off Whole Numbers
    1. Rounding off a number means giving the nearest value of the number.
    2. The rules for rounding off whole numbers:


TOPIC 2 : FRACTIONS
        5  = Numerator   
        8  = Denominator

a.)Type of Fractions
     1.  Proper Fraction                                                         2.   Improper Fraction
          
         Ex:    3                                                                           Ex:   9
              7                                                                                   4
          
 b.) Basic operations of Fractions.

                                                                                   
 TOPIC 3 : DECIMALS
a.) Place value and value of digit in the decimal 31. 567 is as follows:

Digit
Place value
Value of Digit
3
Tens
30
1
Ones
1
5
Tenths
0.5
6
Hundredths
0.06
7
Thousandths
0.007


TOPIC 4 : PERCENTAGE
      1.) Symbol of percentages is %       
      
      TOPIC 5 : MONEY
             RM = Ringgit Malaysia             
        
         a.) RM 1 = 100 sen
         b.) Profit = Selling Price – Cost price
         c.) Loss = Cost price – Selling Price  
         d.) Discount = Original price – Selling price

        TOPIC 6 : TIME
              a.m. = anti meridiem           p.m. =  post meridiem
        
         a.) Conversion between Units of Time 
  •       1 minute    = 60 second
  •       1 hour        = 60 minutes
  •       1 day         = 24 hours
  •       1 week       = 7 days
  •       1 year        = 365 days
  •       1 leap year = 366 days
  •       1 year        = 12 months
  •       1 decade    = 10 years
  •       1 century    = 100 years         
   b.) Months of the year
  •       January =  31 days
  •       February = 28 days (29 days in a leap year)
  •       March = 31 days
  •       April = 30 days
  •       May = 31 days
  •       June = 30 days
  •       July = 31 days
  •       August = 31 days
  •       September = 30 days
  •       October = 31 days
  •       November = 30 days
  •       December = 31 days
         c.) Days of the week
  •       Sunday
  •       Monday
  •       Tuesday
  •       Wednesday
  •       Thursday
  •       Friday
  •       Saturday
    d.) Start Time, End Time and Duration
  •      Start Time = End time - Duration
  •       End Time = Start time + Duration
  •       Duration = End time - Start Time
        
       TOPIC 7 : LENGTH 
          a.) Conversion between Units of Length

                    1 cm  = 10 mm
                    1 m    = 100 cm
                    1 km  = 1000 m 
        
        TOPIC 8 : MASS
           a.) Conversion between Units of Mass
                   
                   1 kg = 1000 g

        TOPIC 9 ; VOLUME OF LIQUID
           a.) Conversion between Units of Volume of Liquid    
  
                   1 l  = 1000 ml
:        
    TOPIC 10 : SHAPE AND SPACE
           a.) Perimeter 
            
                   Perimeter = Total length of the outer sides of the shape.

            b.) Area 
                  
              -  Area of  a square or rectangle = length x Breadth
                 - Area of a triangle = 1 x Base x Height
                                                   2       
          
           c.) Volume of a cube or cuboid = Length x Breadth x Height


           d.) Two Dimensional Shapes
            
              e.) Three Dimensional Shapes

Shape
Number of
Flat faces
Curved faces
Edges
Vertices
Cube
6
0
12
8
Cuboid
6
0
12
8
Pyramid
5
0
8
5
Cylinder
2
1
2
0
Cone
1
1
1
1
Sphere
0
1
0
0
Prism
5
0
9
6

      TOPIC 11 : DATA HANDLING 
       a.) Average 
           
                     Average =    Total of quantities
                                   Number of quantities
           
            Total of Quantity = Average x Number of quantity
         
            Number of quantity = Total of quantity
                                              Average
     
       b.) Frequency, Mode, Maximum Value, Minimum Value, Range and Mean
  •       Frequency = the frequency of an event or value is the number of times it  occur.
  •       Mode = the value or item that occurs the most number of times.
  •       Maximum value = the highest value in a set of data
  •      Minimum value = the lowest value in a set of data
  •      Range = maximum value - minimum value
  •      Mean  
                   Mean = Total of the values
                               Total number of values


MATHEMATICAL APPARATUS


MATHEMATICS SONGS......
SIMBA SING THE MATHS SONG


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DAYS OF THE WEEK SONG

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SHAPES SONG



 

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