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E:\Working\Orange_Education\Math_Genius_3\Open_Files\CHAP_01
\ 01-Oct-2025 Bharat Arora Proof-10 Reader’s Sign _______________________ Date __________
5. Write the place value of the coloured digit in each of the following numbers.
(a) 7652 (b) 8945 (c) 5076
6. Compare the following using < or >.
(a) 3860 3680 (b) 4885 4566 (c) 8088 8808
7. Arrange the following numbers in the ascending and descending order.
(a) 5008, 5800, 5088, 5080 (b) 7701, 7071, 7170, 7107
8. The place value and face value of which digit is always the same, irrespective of its
position in a number?
9. Tick () the numbers with:
(a) 9 in the ones place 259 6928 4791 89
(b) 1 in the tens place 1385 619 19 2541
(c) 5 in the hundreds place 8561 735 156 3572
10. Find the number in which the digit at the thousands place is between 6 and 8; the digit
at the hundreds place is the successor of 2; the digit at the tens place is 3 less than the
digit at the hundreds place and the digit at the ones place is the predecessor of 5.
11. Write the predecessor and successor of the following in Roman numerals.
(a) XXIV (b) XXXVII (c) X (d) XV
Challenge Question Critical Thinking
I am a 4-digit number.
The tens digit is an even number which lies between 3 and 6.
The hundreds digit is the greatest single-digit even number.
The thousands digit is the smallest single-digit odd number.
The ones digit is exactly half of the hundreds digit.
What number am I?
Mental Maths Critical Thinking
1. Form a 4-digit number in which the face value of all the digits is 5.
2. Write the predecessor of the odd number just before 7088.
3. I am the difference between the place value and the face value of 6 in the number
2065. Who am I?
4. Write all the odd numbers that come between 3110 and 3120.
Mathematics-3 27
