We the Travellers—II
CBSE · Class 5 · Mathematics
Flashcards for We the Travellers—II — CBSE Class 5 Mathematics. Quick Q&A cards covering key concepts, definitions, and formulas.
What is the relationship between addition and subtraction? If 46 + 21 = 67, what are the two subtraction facts?
Answer
Addition and subtraction are inverse operations. If 46 + 21 = 67, then: • 67 - 21 = 46 • 67 - 46 = 21 This means we can check addition by subtraction and vice versa.
What are consecutive numbers? Give three examples.
Answer
Consecutive numbers are numbers that follow one another in order without skipping any number. Examples: • 1, 2, 3, 4, 5 • 29, 30, 31, 32 • 2023, 2024, 2025
A lorry has 28 litres of fuel. An additional 75 litres is filled. What is the total fuel?
Answer
Total fuel = 28 + 75 = 103 litres Step-by-step: 28 + 75 ____ 103 The lorry now has 103 litres of fuel.
Find the sum: 49 + 89
Answer
49 + 89 = 138 Using place value: T O 4 9 + 8 9 ______ 1 3 8 9 + 9 = 18 (write 8, carry 1) 4 + 8 + 1 = 13 (write 3, carry 1) Answer: 138
A minibus has 18l of fuel left. After refuelling, it shows 65l. How much fuel was added?
Answer
Fuel added = 65 - 18 = 47 litres Step-by-step: 65 - 18 ____ 47 47 litres of fuel was added to the minibus.
What is the pattern in sums of 2 consecutive numbers? Are they even or odd?
Answer
Sums of 2 consecutive numbers are always ODD. Examples: • 1 + 2 = 3 (odd) • 2 + 3 = 5 (odd) • 3 + 4 = 7 (odd) • 4 + 5 = 9 (odd) Pattern: The difference between successive sums is always 2.
What is the pattern in sums of 3 consecutive numbers? Are they even or odd?
Answer
Sums of 3 consecutive numbers follow an EVEN-ODD pattern. Examples: • 1 + 2 + 3 = 6 (even) • 2 + 3 + 4 = 9 (odd) • 3 + 4 + 5 = 12 (even) • 4 + 5 + 6 = 15 (odd) Pattern: The difference between success
Find 67 + 68 + 69 without adding directly. (Hint: Use the middle number pattern)
Answer
67 + 68 + 69 = 68 × 3 = 204 Pattern: For 3 consecutive numbers, the sum equals the middle number × 3. Check: 67 + 68 + 69 = 204 ✓ This works because the middle number is the average of all three.
+17 more flashcards available
Practice AllGet detailed flashcards for We the Travellers—II
Super Tutor gives you interactive content for every chapter of CBSE Class 5 Mathematics — summaries, quizzes, flashcards, and more.
Try Super Tutor — It's FreeFrequently Asked Questions
What are the important topics in We the Travellers—II for CBSE Class 5 Mathematics?
We the Travellers—II covers several key topics that are frequently asked in CBSE Class 5 board exams. Focus on the core concepts listed on this page and practise related questions to build confidence.
How to score full marks in We the Travellers—II — CBSE Class 5 Mathematics?
Start by understanding all key concepts. Practise previous year questions from this chapter. Revise formulas and definitions regularly. Use flashcards for quick revision before the exam.
How many flashcards are available for We the Travellers—II?
There are 25 flashcards for We the Travellers—II covering key definitions, formulas, and concepts. Use them daily for 10–15 minutes for best results.
Sources & Official References
- NCERT Official — ncert.nic.in
- CBSE Academic — cbseacademic.nic.in
- CBSE Official — cbse.gov.in
- National Education Policy 2020 — education.gov.in
Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.
More Resources for We the Travellers—II
Important Questions
Practice with board exam-style questions
Syllabus
What topics to cover
Revision Notes
Key points for last-minute revision
Study Plan
Step-by-step plan to ace this chapter
Formula Sheet
All formulas in one place
Chapter Summary
Understand the chapter at a glance
Practice Quiz
Test yourself with a quick quiz
Concept Maps
See how topics connect visually