1.2 Odd and Even Numbers

Unit Objectives

• We are learning to recognise the significance of the final digit to determine odd and even numbers.

• We are learning to use odd and even number knowledge as an estimation strategy.

Success Criteria

• I can look at the final digit in a number and decide if it is odd or even. 

• I can explain that even numbers end in 0, 2, 4, 6, or 8. 

• I can explain that odd numbers end in 1, 3, 5, 7, or 9. 

• I can correctly sort numbers into odd and even.

• I can use odd and even endings to help estimate answers to addition or subtraction problems.

• I can predict whether the sum or difference will be odd or even.

Learning Objective

• To determine if a number is odd or even.

Success Criteria

• I can look at the final digit in a number and decide if it is odd or even. 

What digits are odd?

What digits are even?

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Learning Objective

• To add and subtract odd and even numbers and describe the patterns we notice.

Success Criteria

• Predict whether the answer will be odd or even when I add or subtract numbers.

• Explain the patterns when adding and subtracting.

Let's have a look at some visuals to help us learn.

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Let's apply our new knowledge.

Let's mark.