AC9M4N02Year 4NumberPractised on site

AC9M4N02 — Year 4 Number

Official Curriculum Content Description:

explain and use the properties of odd and even numbers

Worked Examples (1)

Example 1Odd & Even Number Arithmetic Properties

Without calculating the full answer, determine if the value of

25 \times 27

is odd or even.

Correct Answer:odd

Worked Solution:

1. Identify the parity of each number:

25

is odd and

27

is odd. 2. Apply the rule:

\text{odd} \times \text{odd} = \text{odd}

. 3. Therefore,

25 \times 27

is odd.

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