Resources tagged with Representing numbers similar to Arrow Arithmetic 2:
Other tags that relate to Arrow Arithmetic 2
Rotations. Complex numbers. Interactivities. Vector Notation and Geometry. Complex analysis. Enlargements. Reflections. Symmetry. Representing numbers. Translations.There are 13 results
Broad Topics > Numbers and the Number System > Representing numbers
Arrow Arithmetic 1
Stage: 4 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
Stage: 4 Challenge Level:
Introduces the idea of a twizzle to represent number and asks how one can use this representation to add and subtract geometrically.
Fibonacci's Three Wishes 1
Stage: 2 and 3
First or two articles about Fibonacci, written for students.
Twizzle Wind Up
Stage: 4 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
Stage: 4 Challenge Level:
Make the twizzle twist on its spot and so work out the hidden link.
Napier's Location Arithmetic
Stage: 4 Challenge Level:
Have you seen this way of doing multiplication ?
Twizzles Venture Forth
Stage: 4 Challenge Level:
Where we follow twizzles to places that no number has been before.
Models in Mind
Stage: Early years, 1, 2 and 3
This article looks at how models support mathematical thinking about numbers and the number system
A Story about Absolutely Nothing
Stage: 2, 3, 4 and 5
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.
Balance Power
Stage: 3, 4 and 5 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?
NRICH is part of the family of activities in the Millennium Mathematics Project.