These investigative tasks have been produced so they are easy to follow with the app on a variety of different devices including tablets and smartphones. They don't require any downlaoded files. They are designed to encourage investigation and discussion.

### GCSE Mathematics

For use with the app on laptops, tablets or smartphones
Classroom activities

Activities from teacher.desmos.com that require an internet-connected laptop or tablet
Algebra Equation of a line: y=mx+c
Intersection of two lines
Parallel lines
Completed square form
Transformation of functions
Equations of tangents to circles
Marbleslides: lines
Polygraph lines
Card sort: Linear systems
Marbleslides: parabolas
Sector area
Compound inequalities on the number line
Domain and range introduction
Graphing stories
What"s Going on in this Graph?
Geometry Transformations
Circle theorems
Circle Patterns
Build a bigger field (perimeter/area)
Polygraph: Polygons
Laser challenge (angles)
Puzzling it out (angles)

### AS/A level Mathematics: Pure Mathematics (AS)

For use with the app on laptops, tablets or smartphones
Classroom activities

Activities from teacher.desmos.com that require an internet-connected laptop or tablet
Quadratic functions (AS) Plot y=ax2+bx+c in and vary a, b and c.
Equations and inequalities (AS) Intersection of a line and a curve
Coordinate geometry (AS) Equations of circles Circle Patterns
Trigonometry (AS) Solution of trig equations Trigonometric Graphing: Amplitude/Vertical Shift
Polynomials (AS) The Factor Theorem Constructing Polynomials
Polygraph Polynomials
Graphs and transformations (AS) Functions - Transformations
Functions - Transformations of y=k/x curves
Transforming Functions Collection (6 activities)
Differentiation (AS) Exploring the gradient on a curve
Introduction to Stationary Points
Functions and Their Derivatives
Sketchy Derivatives
Card Sort: Derivative Match
Integration (AS) Area under a curve
Exponentials and logarithms (AS) Graph of y=kax
Derivatives of exponential functions y=ekx
Exponential Functions Collection (8 activities)

### AS/A level Mathematics: Pure Mathematics (Full A level only)

Functions The Modulus Function
Inverse functions
Algebra Partial Fractions