Basic,

Integers ending in 0, 2, 4, 6 or 8 are **even numbers**.

Integers ending in 1, 3, 5, 7 or 9 are **odd numbers**.

An integer is either an even number or an odd number.

Even numbers divide by 2 without leaving a remainder.

1. Which are the odd numbers in this list?

303, 5667, 4, 608, 29

Answer: 303, 5667 and 29

Numbers ending in 1, 3, 5, 7 and 9 are odd numbers.

2. What is the next odd number after 47?

Answer: 49

The next number, 48, is an even number.

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