GCSE Secondary Maths Age 13-17 - Number: Odd Numbers - Explained

The video tutorial guides students through the process of identifying the 20th odd number. It begins by listing the first few odd numbers and explains a method to quickly find the 20th odd number without listing all of them. The teacher demonstrates how to group odd numbers into rows and verifies the final answer, which is 39.

What is the next odd number after 19?

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Explain how you can find the 20th odd number without listing all odd numbers.

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