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Variation Theory
Sequences and behaviour to enable mathematical thinking in the classroom - by Craig Barton @mrbartonmaths
Please read!
Introduction
Activity type 1: Practice
Activity type 2: Rule
Activity type 3: Pattern
Activity type 4: Demonstration
Top Tips for using these sequences in the classroom
Further reading
My book
Topics
Number
Arithmetic
Decimals
Factors, multiples, primes
Fraction decimal percentage equivalence
Fractions
Modulo arithmetic
Negative numbers
Order of operations (BIDMAS)
Percentages
Place value
Powers and Indices
Proportion
Ratio
Rounding and estimating
Standard form
Surds
Algebra
Algebraic fractions
Brackets – expand
Brackets – factorise
Coordinates
Formula
Function Machines
Functions
Inequalities
Introducing algebra
Quadratic graphs
Proof
Sequences
Simplifying expressions
Simultaneous equations
Solving linear Equations
Solving other equations
Solving quadratic equations
Straight line graphs
Geometry and Measures
3D
Angles
Circle theorems
Circles
Compound measures
Perimeter and area
Pythagoras’ theorem
Shape properties
Similarity
Surface area
Transformations
Trigonometry
Units of measurement
Volume
Statistics and Probability
Averages and range
Probability
Representing data
Sampling
Sorting data
A Level
Binomial expansion
Differentiation
Functions
Logarithms
Polynomial division
Statistics
Get involved!
Websites
Books
Podcast
Newsletters
CPD
Support
Tag:
Inverse proportion
January 5, 2023
Craig Barton
Number
,
Proportion
Inverse Proportion (building a house)
View
July 22, 2020
Craig Barton
Number
,
Proportion
Direct / Inverse Proportion (x and y)
View
August 26, 2019
Craig Barton
Number
,
Proportion
Inverse proportion: equations
View
October 5, 2018
Craig Barton
Number
,
Proportion
Inverse proportion with the square root of x
View
March 20, 2018
July 26, 2018
Craig Barton
Number
,
Proportion
Inverse proportion (x and y)
View
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