1. Chapter 1 Class 6 Knowing our Numbers
  2. Serial order wise
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Example 5 Estimate: 5,290 + 17,986.Here, We use general rule for rounding off. 5,290 is rounded off to 5000 17,986 is rounded off to 18000 So, estimated sum = 18000 + 5000 So, Estimated sum = 23,000

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Davneet Singh
Davneet Singh is a graduate from Indian Institute of Technology, Kanpur. He has been teaching from the past 8 years. He provides courses for Maths and Science at Teachoo. You can check his NCERT Solutions from Class 6 to 12.