Odd and Even Numbers

This lesson was contributed by:

Francesca Cutajar (Primary Maths Support Team)

This lesson is for:

Lesson Duration:

45 mins.

What should you expect from this lesson?

This lesson provides junior mathematicians with the opportunity to identify odd and even numbers up to ten thousand (10,000).

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How to carry out this lesson at home:

Step 1: Watch this video which narrates the story of the Missing Mittens.

Step 2: Let’s brainstorm…
– What was the story about?
– What is the difference between an odd and an even number?
– How can you know that a number is odd/even?
– Think of your birth date… is it odd or even?
– Think of your birth month… is it odd or even?

Step 3: Now for the next activity you need a whiteboard/paper, a marker and three dice.

Step 4: Divide your whiteboard/paper into two columns. Name one column as Odd and the other column as Even. Start by creating a two digit number. So here you need to throw two dice. If your dice are showing 4 and 2 for example you can either create 24 or 42. In which column are you going to put these two numbers? Yes, you’re right… both numbers are even.

Step 5: Repeat step four but this time throw 3 dice. If your dice are showing 6, 5 and 3 you can create 653, 635, 536, 563, 365 and 356. In which columns are you going to put these numbers? (Remember… you need to look at the units’ digit to know whether a number is odd or even). In this case we have 653 – odd, 536 – even, 563 – odd, 365 – odd and 356 – even.

Step 6: As an extension to this activity you can also add two numbers at a time and observe what happens…
– When you add an odd and even number what happens? Is the total odd or even?
– When you add two odd numbers what happens? Is the total odd or even?
– When you add two even numbers what happens? Is the total odd or even?

Step 7: To practise further you can play this online game.

All the resources you need to carry out this lesson at home:

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