Example 1
Number of computers sold:
Bandar Aman : 136 253
Kota Damai : 201 724
Find the total number of computers sold in Bandar Aman and Kota Damai.
136 253 + 201 724 = -------
1. Estimate the answer
136 253 -------- 140 000
201 724 --------- + 200 000 Round off to the nearest ten thousand
--------------
340 000
--------------
2. Arrange the numbers and perform the operation
136 253
+ 201 724 Arrange the numbers according to place values.
---------------- Add starting from the ones.
337 977
----------------
3. Check if the answer is reasonable
Is 337 977 a reasonable answer?
Yes, because 337 977 is close to 340 000.
136 253 + 201 724 = 337 977
Let's practise
1. 202 164 + 257 813 =
2. 101 131 + 257 826 =
3. 462 157 + 205 340 =
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