Decimal PSLE 2010 P1 Q20

20. Find the value of 5 ÷ 8. Express your answer as a decimal.


5/8 x 125/125 = 625/1000
                       = 0.625


    0.625
   ______
8 | 5.000
  - 4 8
 --------
       30
     - 24
    ------
         60
      - 56
       ------
           40
         - 40
          ----
             0
          ----

Decimal PSLE 2010 P1 Q21

21. Find the value of 0.16 x 40.  Answer:　6.4
 
 
0.16  x  40  =  1.6  x  4
                   =   6.4

Decimal PSLE 2010 P1 Q23

23. John and Ken went to a funfair. John spent $25 and Ken spent 80¢ less than John. How much money did they spend at the funfair altogether?


25  -  0.80  =  24.20

24.20  +  25  =  $49.20