
Interactive spinners


Games and Activities
These tasks for classroom use include a game or interactive content and are ideal for lessons with tablets, laptops, or in a computer room.
Beelines

Nine colours

Frogs

Napoleon's theorem

Anti-magic square

Stars


In the bag

Reaction timer


At right angles

L-triominoes

Your number was...


More less is more

Tessellation interactivity

Less is more

Number lines in disguise

Your number is...

Colour in the square

4 dom

Tea cups


Multiplication arithmagons
Can you find the values at the vertices when you know the values on the edges of these multiplication arithmagons?


More number pyramids
When number pyramids have a sequence on the bottom layer, some interesting patterns emerge...


Triangles in circles
Can you find triangles on a 9-point circle? Can you work out their angles?

The remainders game
Play this game and see if you can figure out the computer's chosen number.

Diamond collector
Collect as many diamonds as you can by drawing three straight lines.

Last biscuit
Can you find a strategy that ensures you get to take the last biscuit in this game?

What numbers can we make now?
Imagine we have four bags containing numbers from a sequence. What numbers can we make now?

Number pyramids
Try entering different sets of numbers in the number pyramids. How does the total at the top change?

Remainders
I'm thinking of a number. My number is both a multiple of 5 and a multiple of 6. What could my number be?

Square coordinates
A tilted square is a square with no horizontal sides. Can you devise a general instruction for the construction of a square when you are given just one of its sides?

Square it
Players take it in turns to choose a dot on the grid. The winner is the first to have four dots that can be joined to form a square.

Parallelogram it
Players take it in turns to choose a dot on the grid. The winner is the first to have four dots that can be joined to form a parallelogram.

Rhombus it
Players take it in turns to choose a dot on the grid. The winner is the first to have four dots that can be joined to form a rhombus.

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

Right angles
Can you make a right-angled triangle on this peg-board by joining up three points round the edge?

Subtended angles
What is the relationship between the angle at the centre and the angles at the circumference, for angles which stand on the same arc? Can you prove it?


The Number Jumbler
The Number Jumbler can always work out your chosen symbol. Can you work out how?

Fruity totals
In this interactivity each fruit has a hidden value. Can you deduce what each one is worth?



Factors and multiples game
A game in which players take it in turns to choose a number. Can you block your opponent?

Isosceles triangles
Draw some isosceles triangles with an area of $9$cm$^2$ and a vertex at (20,20). If all the vertices must have whole number coordinates, how many is it possible to draw?




Treasure hunt
Can you find a reliable strategy for choosing coordinates that will locate the treasure in the minimum number of guesses?

A little light thinking
Here is a machine with four coloured lights. Can you make two lights switch on at once? Three lights? All four lights?


Finding factors
Can you find the hidden factors which multiply together to produce each quadratic expression?

Cyclic quadrilaterals
Draw some quadrilaterals on a 9-point circle and work out the angles. Is there a theorem?

Tilted squares
It's easy to work out the areas of most squares that we meet, but what if they were tilted?

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


Charlie's delightful machine
Here is a machine with four coloured lights. Can you develop a strategy to work out the rules controlling each light?