Resources tagged with Representing numbers similar to Arrow Arithmetic 2:
Other tags that relate to Arrow Arithmetic 2
Vector Notation and Geometry. Translations. Reflections. Complex analysis. Symmetry. Enlargements. Compound transformations. Representing numbers. Complex numbers. Rotations.There are 13 results
Broad Topics > Numbers and the Number System > Representing numbers
Arrow Arithmetic 1
Age 14 to 16 Challenge Level:
The first part of an investigation into how to represent numbers using geometric transformations that ultimately leads us to discover numbers not on the number line.
Arrow Arithmetic 2
Age 14 to 16 Challenge Level:
Introduces the idea of a twizzle to represent number and asks how one can use this representation to add and subtract geometrically.
Twizzle Wind Up
Age 14 to 16 Challenge Level:
A loopy exploration of z^2+1=0 (z squared plus one) with an eye on winding numbers. Try not to get dizzy!
Twizzle Twists
Age 14 to 16 Challenge Level:
Make the twizzle twist on its spot and so work out the hidden link.
Twizzles Venture Forth
Age 14 to 16 Challenge Level:
Where we follow twizzles to places that no number has been before.
Models in Mind
Age 3 to 14
This article looks at how models support mathematical thinking about numbers and the number system
Napier's Location Arithmetic
Age 14 to 16 Challenge Level:
Have you seen this way of doing multiplication ?
Balance Power
Age 11 to 18 Challenge Level:
Using balancing scales what is the least number of weights needed to weigh all integer masses from 1 to 1000? Placing some of the weights in the same pan as the object how many are needed?
A Story about Absolutely Nothing
Age 7 to 18
This article for the young and old talks about the origins of our number system and the important role zero has to play in it.
NRICH is part of the family of activities in the Millennium Mathematics Project.