Have a go at this challenge on nrich with someone at home. Answer the questions here!

https://nrich.maths.org/5483

Have a go at this challenge on nrich with someone at home. Answer the questions here!

https://nrich.maths.org/5483

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BUY YOUR JUMPERS NOW -

I am going to try this.

i tried this

Answer the questions then!

I tried it.

15 would be click.

20 would be clap.

99 would be click.

100 would be clap.

Well done! How did you work this out?

I have tried this out!

Answer the questions then!

Thank you for putting this up

I have tried it.

Answer the questions then!

I don’t know how to find it

Thank you

I have tried this

What did you find out?

Thank you for putting this up😀

I have tried this

What maths knowledge did you use to work out the answers?

There is no question

There is! Look carefully!