Odd and even numbers in multiplication facts

Introduced in the Year 2, Year 4 curriculum as: "Recall multiplication and division facts for multiplication tables up to 12 × 12"

Here are the rules for multiplying odd and even numbers.

odd x odd = odd

odd x even = even

and even x even = even


Example 1:

3 x 3 = 9

odd x odd = odd


Example 2:

3 x 2 = 6

odd x even = even


Example 3:

2 x 2 = 4

even x even = even


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