Wednesday, October 26, 2011

MATHEMATICS YEAR 4

ADDITION WITHIN 100 000

1. An addition is a process of finding the total of two or
more numbers.

2. The total also means the sum.


3. Follow the steps below when carrying out an addition.

Step 1 : Arrange the numbers according to their place
values in vertical form.

Step 2 : Add the digits from right to left.

(a) Without regrouping :

32 051 + 41 638 = _________


32 052 + 41 638 = 73 689

(b) With regrouping :

47 235 + 495 = ___________



47 235 + 495 = 47 730