Adding zero to any number leaves the number unchanged. For example, 5 + 0 = 5 and -3 + 0 = -3. Zero acts as the identity element for addition.
Class 6 NCERT Ganita Prakash Chapter 10 The Other Side of Zero
class 6 Mathematics Textbook Chapter 10 question answer
Zero is the identity element for addition, meaning that adding it to any number leaves the number unchanged. For example, 12 + 0 = 12 and -7 + 0 = -7. This property ensures that zero has no effect on the sum, making it a unique and essential number in arithmetic. Its role is crucial in maintaining the integrity of mathematical operations and simplifying expressions where it appears.
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