Showing posts with label decimal scales. Show all posts
Showing posts with label decimal scales. Show all posts
Thursday, 14 September 2017
Tuesday, 23 May 2017
decimal scales
variations on a theme:
what is a general rule for the end numbers?
why?
- locating points on a line
- finding end points
- generalising
why?
Thursday, 24 December 2015
decimal scales
an example of how reversing a question can be more interesting
leading, ideally, to generalising
what is the relationship between 'a' and 'b' if the marker is at 0.25 (half-way between the second and third mark from the left)?
leading, ideally, to generalising
what is the relationship between 'a' and 'b' if the marker is at 0.25 (half-way between the second and third mark from the left)?
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