Addition, Subtraction, Multiplication, Division
Key Stage: 2 ★★
Can you find a way to put operation signs to make the calculation equal 100?
This problem offers great opportunities for mental arithmetic and estimation. It can also be used as an opening to discussing the order of operations.
This resource has comprehensive teachers' notes and resources, linked from the problem page. This includes possible approaches and key questions, as well as possible support and extensions.
The file attached is a HTML file, which, when opened, automatically redirects you to the problem on the NRICH website.
Key Stage: 2 ★★
Can you find a way to put operation signs to make the calculation equal 100?
This problem offers great opportunities for mental arithmetic and estimation. It can also be used as an opening to discussing the order of operations.
This resource has comprehensive teachers' notes and resources, linked from the problem page. This includes possible approaches and key questions, as well as possible support and extensions.
The file attached is a HTML file, which, when opened, automatically redirects you to the problem on the NRICH website.
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A simple yet effecive question from Nrich which gets the whole classed "switched on" with their maths brains! The teachers notes will give you advice on how to approach the problem with the class too! I like simple and effective!
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