List

Engaging interactively

Mathematicians often use tools to help them to make discoveries, and it is well known that using manipulatives can help students to develop new conceptual understanding. In this feature, we share interactive tools and dynamic geometry to encourage your students to explore, pose questions, make conjectures and prove ideas.

 

Shifting Times Tables
problem
Favourite

Shifting times tables

Age
11 to 14
Challenge level
filled star empty star empty star

Can you find a way to identify times tables after they have been shifted up or down?

Polygon Rings
problem
Favourite

Polygon rings

Age
11 to 14
Challenge level
filled star empty star empty star

Join pentagons together edge to edge. Will they form a ring?

Semi-regular Tessellations
problem
Favourite

Semi-regular tessellations

Age
11 to 16
Challenge level
filled star empty star empty star

Semi-regular tessellations combine two or more different regular polygons to fill the plane. Can you find all the semi-regular tessellations?

Quad in Quad
problem
Favourite

Quad in quad

Age
14 to 18
Challenge level
filled star filled star empty star

Join the midpoints of a quadrilateral to get a new quadrilateral. What is special about it?

Surprising Equalities
problem

Surprising equalities

Age
14 to 18
Challenge level
filled star filled star empty star
Take any triangle, and construct squares on each of its sides. What do you notice about the areas of the new triangles formed?
Pentagon Construction
problem

Pentagon construction

Age
16 to 18
Challenge level
filled star filled star filled star
Follow the instructions to create a regular pentagon. Can you prove it is indeed regular?
Intriguing Interactivities
list

Intriguing Interactivities

Age
5 to 11
This feature for primary teachers brings together tasks with interactivities to stimulate learners' curiosity.