Class 5 Mathematics • Maths Mela • Chapter 4 • Reprint 2026–27
We the Travellers—II: concept in one view
This original companion develops large-number addition and subtraction, estimation, equalising sums, fuel, distance, cost and multi-step travel problems. Understand the model, work through the example, complete the hands-on task and justify every answer.
Learning goals
- large-number addition and subtraction, estimation, equalising sums, fuel, distance, cost and multi-step travel problems
Worked example
To estimate 48,760 + 31,240, round to 49,000 + 31,000 = 80,000, then compare with the exact answer.
Activity
Plan an imaginary trip with travel, food and entry costs. Estimate first, calculate exactly, and find the difference.
Practice
- Find 65,403 − 28,759.
- Estimate 39,870 + 21,145 to the nearest thousand.
- Explain how an estimate can detect an unreasonable answer.
Problem-solving checklist
- Write what is known and what must be found.
- Choose a diagram, model, table or number sentence.
- Estimate before the exact calculation where useful.
- Include the correct unit and check whether the answer is reasonable.
Frequently asked questions
Which current NCERT book contains this chapter?
“We the Travellers—II” is Chapter 4 of Class 5 Maths Mela (code eemm1), Reprint 2026–27.
Are the learning-material sheets separate chapters?
No. Fraction kits, shape sheets, number tokens, nets and cut-outs placed after Chapter 15 are supporting materials, not Chapters 16 or beyond.
Is this an official answer key?
No. It is an independently written learning guide. Use the NCERT chapter for the complete tasks and teacher-guided discussion.
Official sources
Source-checked against publication 0533 and the 2026–27 reprint. Legacy Math-Magic Book V titles are excluded.