Teaching to Reason with Numbers

Current

Teaching to Reason with Numbers

Here are a variety of classroom numerical activities that will challenge students to explore, explain and reason mathematically.

Magic Letters link

Magic Letters 

Stage: 3 Challenge Level: Challenge Level:1

While offering students a chance to practise addition in an engaging context, there will also be opportunities to appreciate the effect of combining odd and even numbers.

What Numbers Can We Make? link

What Numbers Can We Make? 

Stage: 3 Challenge Level: Challenge Level:1

This problem offers students the opportunity to consider the underlying structure behind multiples and remainders.

Method in Multiplying Madness? link

Method in Multiplying Madness? 

Stage: 3 Challenge Level: Challenge Level:2 Challenge Level:2

Watch our videos of multiplication methods that you may not have met before. Can you make sense of them?

Always a Multiple? link

Always a Multiple? 

Stage: 3 Challenge Level: Challenge Level:2 Challenge Level:2

Think of a two digit number, reverse the digits, and add the numbers together. Something special happens...

Take Three from Five link

Take Three from Five 

Stage: 3 and 4 Challenge Level: Challenge Level:2 Challenge Level:2

This problem offers students the opportunity to explore properties of multiples and remainders.

Related

The NRICH Project aims to enrich the mathematical experiences of all learners. To support this aim, members of the NRICH team work in a wide range of capacities, including providing professional development for teachers wishing to embed rich mathematical tasks into everyday classroom practice. More information on many of our other activities can be found here.
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NRICH is part of the family of activities in the Millennium Mathematics Project.