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Find the sum by short method: 10578 + 99999 - Mathematics

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Find the sum by short method: 10578 + 99999

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Solution

10578 + 99999
= 10578 + (100000 − 1)
= (10578 + 100000) − 1 (Using associative property of addition)
= 110578 − 1
= 110577

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APPEARS IN

RS Aggarwal Class 6 Mathematics
Chapter 3 Whole Numbers
Exercise 3B | Q 5.2 | Page 48
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