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Count the Crayons

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Challenge Level

We had a small number of solutions sent in for this activity. This is a different kind of activity and maybe you found it hard to write about it.

We would love to hear from you if you have a go.  It's often helpful to share those thoughts with others and to discuss different approaches.

Seb from Caen School Primary School wrote;


I think that the first one has around 30, I think this because if you look at the bottom set of the first picture then there are around 15 pencils. The second picture looks like it's in the 60 or 70's. It is not as easy to estimate as the first picture because it's all mixed up.

Bob from  Paddington Green Primary School wrote;

The answer is 30 but my estimate was 28. So close. My method was estimate the top then double the answer.

Thank you for these two ideas for performing an estimate.