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\ 11-Sep-2024 Sonia Suyal Proof-1 Reader’s Sign _______________________ Date __________

Practice time 1D

1. Form the number with:

(a) 4 in the thousands place (b) 9 in the thousands place
8 in the hundreds place 1 in the hundreds place

5 in the tens place 0 in the tens place
2 in the ones place 6 in the ones place

2. Form the greatest and the smallest 4-digit numbers using the given digits.

digits greatest 4-digit number Smallest 4-digit number
(a) 3, 7, 1, 9

(b) 9, 8, 4, 2
(c) 5, 7, 1, 0

(d) 4, 7, 9, 7
(e) 0, 3, 6, 2

3. Form the greatest and the smallest 4-digit numbers using the given digits with

repetition.

digits greatest 4-digit number Smallest 4-digit number
(a) 1, 4, 7

(b) 2, 5, 3
(c) 6, 0, 1

(d) 2, 3
(e) 9, 0

suCCessor aND PreDeCessor

successor

The number that comes just after the given number is called its successor.

To find the successor of any number, add 1 to the number.

example 1: Find the successor of:
(a) 86 (b) 709 (c) 2,154

Solution: (a) The successor of 86 is 86 + 1 = 87
(b) The successor of 709 is 709 + 1 = 710

(c) The successor of 2,154 is 2,154 + 1 = 2,155

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