Odd numbers are not divisible by 2 with remainder. Odd numbers can be identified by last digit ending in 1, 3, 5, 7, or 9. Odd numbers can be written in form n=2k+1, where k is an integer
Odd numbers are non-multiples of 2 between 1 and 1000. Odd numbers always end with odd digits like 1, 3, 5, 7, 9. There are 500 odd numbers in the range
Even numbers divide evenly into two parts without remainder. Odd numbers divide evenly into two parts with remainder 1. Zero is classified as even number
Even numbers are divisible by 2 with remainder 0. Odd numbers are not divisible by 2 with remainder 1. Even numbers end with 0, 2, 4, 6, or 8. Odd numbers end with 1, 3, 5, 7, or 9
Consecutive numbers are those that follow each other without interruption. Predecessor is the number before the current one, successor is after. Difference between predecessor-successor pairs is always 1
Even numbers can be paired and end in 0, 2, 4, 6, 8. Odd numbers cannot be paired and end in 1, 3, 5, 7, 9. All numbers can be grouped in either even or odd positions