Saturday, 5 April 2014

Decimal

Write in word
12.53  -  Twelve point five three.

Round Off
5. 673  =    5. 7  ( nearest tenths  - 1 decimal place )

Addition                                             Subtraction    

13.46  +  2.5 =  15.96                          25  -   5.38  =  19.62
 
      13 . 4 6                                               25 .  0 0 
  +    2 . 5 0                                          -     5 .  3 8
      15 . 9 6                                               19 .  6 2

Sunday, 26 January 2014

Whole Number

Example 1

3457284  =  Three million four hundred fifty seven thousand two hundred and
                      eighty-four

Place value   =   5 =  ten thousands
Digit value   =   5 =   50000
Partition / extended notation  =  3000000+400000+50000+7000+200+80+4   ( digit)
         3 millions+ 4 hundred thousands + 5 ten thousands + 7 thousands +
         2 hundreds + 8 tens + 4 ones  ( word )

Saturday, 4 January 2014