Number Play
CBSE · Class 6 · Mathematics
Practice quiz for Number Play — CBSE Class 6 Mathematics. MCQs and questions with answers to test your preparation.
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Quick Quiz: Number Play
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What is the digit sum of the number 2485?
How many 2-digit numbers are there?
Starting with 12, apply the Collatz rule once. What number do you get?
What is the smallest 3-digit palindrome?
Sample Questions
Which of the following are palindromic numbers?
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121, 343, 545
Palindromic numbers read the same forwards and backwards. 121 (1-2-1), 343 (3-4-3), and 545 (5-4-5) are palindromes. 234 and 678 read differently when reversed.
Which properties make a number a 'supercell' in a table?
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Greater than all adjacent numbers, Larger than neighboring cells
A supercell contains a number that is greater than all its adjacent/neighboring numbers. It's not about being smallest or equal - it must be larger than surrounding numbers.
In the number 47,326, how many times does the digit 7 appear?
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1
Looking at each digit in 47,326: 4-7-3-2-6. The digit 7 appears once in the thousands place.
Which operations are used in the reverse-and-add method for palindromes?
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Reversing digits, Addition
The reverse-and-add method involves: 1) Taking a number, 2) Reversing its digits, 3) Adding the original and reversed numbers, 4) Repeating until a palindrome is formed.
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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.
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