Modelling ideas

Ideas that focus on using technology to support looking at different mathematical structures, to support or reveal a deeper understanding..

The resources described by Pete Sides at the White Rose Maths Hub conference on bar modelling can be found here.

Power point presentation.

PDF of presentation at White Rose Bar Model conference, Salford (Feb 2017).

Spreadsheets

10 Bar random sums <10 illustrated on a bar model (any part of the number sentence can be hidden)

10Bar1

NB comparative bars & subtraction are also available on the same file

 

Fraction as a number a mixture of random and self-input fractions showing equivalence in different denominations and mixed number & vulgar fractions  

frac1frac2

Fractions "of" & ratio 

frac3frac4

frac5

NB- Values of parts or ratios can be selected to be shown or not

 

Geogebra

10 Bar interactive model of x+y=10 as a bar and as a line graph

geo1

 

x-squared interactive model of y=xshown as bars and as a point on graph

Geo2

 

Circle thoerems: a series of simple geogebra files to allow interactive investigation of theorems

cyclic quadrilaterals

same chord

angle at centre double

geo3geo4geo6

Last modified onWednesday, 26 July 2017 12:51
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