List

Interactives - Upper Primary

These upper primary activities and games have interactive content.  Have a play on a laptop, tablet or computer!
Sliding Game
game

Sliding Game

A shunting puzzle for 1 person. Swop the positions of the counters at the top and bottom of the board.
Train Tactics
game

Train Tactics

A train building game for two players. Can you be the one to complete the train?
Seeing Squares for Two
game

Seeing Squares for Two

Seeing Squares game for an adult and child. Can you come up with a way of always winning this game?
Drips
game

Drips

An animation that helps you understand the game of Nim.
Phiddlywinks
game

Phiddlywinks

Have a go at this version of John Conway's game. Do you have any good strategies for winning?
Tangram Browser
interactivity

Tangram Browser

Explore our selection of interactive tangrams. Can you use the tangram pieces to re-create each picture?
Interactive Balance
interactivity

Interactive Balance

In this simulation of a balance, you can drag numbers and parts of number sentences on to the trays. Have a play!
Tangrams
problem

Tangrams

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

Can you make five differently sized squares from the interactive tangram pieces?

Seeing Rhombuses
problem

Seeing Rhombuses

Age
7 to 11
Challenge level
filled star filled star empty star
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.
Seeing Parallelograms
problem
Favourite

Seeing Parallelograms

Age
7 to 11
Challenge level
filled star empty star empty star
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.
5 by 5 Mathdokus
problem
Favourite

5 by 5 Mathdokus

Age
7 to 16
Challenge level
filled star empty star empty star
Can you use the clues to complete these 5 by 5 Mathematical Sudokus?
4 by 4 Mathdokus
problem
Favourite

4 by 4 Mathdokus

Age
7 to 14
Challenge level
filled star empty star empty star
Can you use the clues to complete these 4 by 4 Mathematical Sudokus?
Less is More
problem
Favourite

Less is More

Age
7 to 11
Challenge level
filled star empty star empty star
Use your knowledge of place value to try to win this game. How will you maximise your score?
Fruity Totals
problem
Favourite

Fruity Totals

Age
7 to 16
Challenge level
filled star empty star empty star
In this interactivity each fruit has a hidden value. Can you deduce what each one is worth?
Number Lines in Disguise
problem
Favourite

Number Lines in Disguise

Age
7 to 14
Challenge level
filled star filled star empty star
Some of the numbers have fallen off Becky's number line. Can you figure out what they were?
Carroll Diagrams
problem
Favourite

Carroll Diagrams

Age
5 to 11
Challenge level
filled star empty star empty star
Use the interactivities to fill in these Carroll diagrams. How do you know where to place the numbers?
Seeing Squares
problem
Favourite

Seeing Squares

Age
5 to 11
Challenge level
filled star empty star empty star
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.
Shape Draw
problem
Favourite

Shape Draw

Age
7 to 11
Challenge level
filled star empty star empty star
Use the information on these cards to draw the shape that is being described.
Calendar Sorting
problem

Calendar Sorting

Age
7 to 11
Challenge level
filled star empty star empty star
The pages of my calendar have got mixed up. Can you sort them out?
How long does it take?
problem

How long does it take?

Age
7 to 11
Challenge level
filled star empty star empty star
How long does it take to brush your teeth? Can you find the matching length of time?
Matching fractions
problem
Favourite

Matching fractions

Age
7 to 11
Challenge level
filled star empty star empty star
Can you find different ways of showing the same fraction? Try this matching game and see.
Coded hundred square
problem
Favourite

Coded hundred square

Age
7 to 11
Challenge level
filled star empty star empty star
This 100 square jigsaw is written in code. It starts with 1 and ends with 100. Can you build it up?
Four-digit targets
problem
Favourite

Four-digit targets

Age
7 to 11
Challenge level
filled star empty star empty star
You have two sets of the digits 0-9. Can you arrange these in the five boxes to make four-digit numbers as close to the target numbers as possible?
Treasure Hunt
problem
Favourite

Treasure Hunt

Age
7 to 14
Challenge level
filled star empty star empty star
Can you find a reliable strategy for choosing coordinates that will locate the treasure in the minimum number of guesses?
Venn diagrams
problem
Favourite

Venn diagrams

Age
5 to 11
Challenge level
filled star empty star empty star
How will you complete these interactive Venn diagrams?
First Connect Three
problem
Favourite

First Connect Three

Age
7 to 11
Challenge level
filled star empty star empty star
Add or subtract the two numbers on the spinners and try to complete a row of three. Are there some numbers that are good to aim for?
Square tangram
problem

Square tangram

Age
7 to 11
Challenge level
filled star filled star empty star
This was a problem for our birthday website. Can you use four of these pieces to form a square? How about making a square with all five pieces?
Twice as Big?
problem
Favourite

Twice as Big?

Age
7 to 11
Challenge level
filled star empty star empty star
Investigate how the four L-shapes fit together to make an enlarged L-shape. You could explore this idea with other shapes too.
Nine-Pin Triangles
problem
Favourite

Nine-Pin Triangles

Age
7 to 11
Challenge level
filled star empty star empty star
How many different triangles can you make on a circular pegboard that has nine pegs?
Diagonally Square
problem

Diagonally Square

Age
7 to 11
Challenge level
filled star empty star empty star
Ayah conjectures that the diagonals of a square meet at right angles. Do you agree? How could you find out?
Mathdoku
problem

Mathdoku

Age
7 to 11
Challenge level
filled star empty star empty star
Complete the Mathdoku grid using the clues. Can you convince us that the number you have chosen for each square has to be correct?
Your number is...
problem
Favourite

Your number is...

Age
7 to 14
Challenge level
filled star empty star empty star
Think of a number and follow the machine's instructions... I know what your number is! Can you explain how I know?
Remainders
problem
Favourite

Remainders

Age
7 to 14
Challenge level
filled star filled star empty star
I'm thinking of a number. My number is both a multiple of 5 and a multiple of 6. What could my number be?
Flip Flop - matching cards
problem

Flip Flop - matching cards

Age
5 to 11
Challenge level
filled star filled star empty star
Practise your number bonds whilst improving your memory in this matching pairs game.
Factor Lines
problem
Favourite

Factor Lines

Age
7 to 14
Challenge level
filled star filled star empty star
Arrange the four number cards on the grid, according to the rules, to make a diagonal, vertical or horizontal line.
Colour in the Square
problem

Colour in the Square

Age
7 to 16
Challenge level
filled star filled star empty star
Can you put the 25 coloured tiles into the 5 x 5 square so that no column, no row and no diagonal line have tiles of the same colour in them?
Quadrilaterals
problem
Favourite

Quadrilaterals

Age
7 to 11
Challenge level
filled star filled star filled star
How many DIFFERENT quadrilaterals can be made by joining the dots on the 8-point circle?
Which Scripts?
problem
Favourite

Which Scripts?

Age
7 to 11
Challenge level
filled star empty star empty star
There are six numbers written in five different scripts. Can you sort out which is which?
Dozens
problem
Favourite

Dozens

Age
7 to 14
Challenge level
filled star empty star empty star
Can you select the missing digit(s) to find the largest multiple?
Number Sandwiches
problem

Number Sandwiches

Age
7 to 14
Challenge level
filled star filled star empty star
Can you arrange the digits 1, 1, 2, 2, 3 and 3 to make a Number Sandwich?
4 Dom
problem
Favourite

4 Dom

Age
5 to 11
Challenge level
filled star filled star filled star
Use these four dominoes to make a square that has the same number of dots on each side.
Three Way Mix Up
problem

Three Way Mix Up

Age
5 to 11
Challenge level
filled star filled star empty star
Jack has nine tiles. He put them together to make a square so that two tiles of the same colour were not beside each other. Can you find another way to do it?
Teddy Town
problem

Teddy Town

Age
5 to 11
Challenge level
filled star filled star empty star
There are nine teddies in Teddy Town - three red, three blue and three yellow. There are also nine houses, three of each colour. Can you put them on the map of Teddy Town according to the rules?
Four Triangles Puzzle
problem
Favourite

Four Triangles Puzzle

Age
5 to 11
Challenge level
filled star empty star empty star
Cut four triangles from a square as shown in the picture. How many different shapes can you make by fitting the four triangles back together?
Ladybird Box
problem

Ladybird Box

Age
5 to 11
Challenge level
filled star filled star empty star
Place six toy ladybirds into the box so that there are two ladybirds in every column and every row.
Tea Cups
problem

Tea Cups

Age
7 to 14
Challenge level
filled star filled star filled star
Place the 16 different combinations of cup/saucer in this 4 by 4 arrangement so that no row or column contains more than one cup or saucer of the same colour.
Mystery Matrix
problem
Favourite

Mystery Matrix

Age
7 to 11
Challenge level
filled star filled star empty star
Can you fill in this table square? The numbers 2 -12 were used to generate it with just one number used twice.
Triangles all Around
problem
Favourite

Triangles all Around

Age
7 to 11
Challenge level
filled star filled star filled star
Can you find all the different triangles on these peg boards, and find their angles?
Largest Even
problem
Favourite

Largest Even

Age
5 to 11
Challenge level
filled star empty star empty star
How would you create the largest possible two-digit even number from the digit I've given you and one of your choice?
Three Squares
problem
Favourite

Three Squares

Age
5 to 11
Challenge level
filled star filled star filled star
What is the greatest number of squares you can make by overlapping three squares?
Board Block Challenge
problem
Favourite

Board Block Challenge

Age
7 to 11
Challenge level
filled star filled star filled star
Choose the size of your pegboard and the shapes you can make. Can you work out the strategies needed to block your opponent?
3 by 3 Mathdokus
problem

3 by 3 Mathdokus

Age
7 to 14
Challenge level
filled star empty star empty star
Can you use the clues to complete these 3 by 3 Mathematical Sudokus?
Poly Plug Rectangles
problem
Favourite

Poly Plug Rectangles

Age
5 to 11
Challenge level
filled star empty star empty star
The computer has made a rectangle and will tell you the number of spots it uses in total. Can you find out where the rectangle is?
Unravelling Sequences
problem

Unravelling Sequences

Age
7 to 11
Challenge level
filled star empty star empty star
Can you describe what is happening as this program runs? Can you unpick the steps in the process?
Triangle in a Square
problem

Triangle in a Square

Age
7 to 11
Challenge level
filled star empty star empty star
Do you agree with Badger's statements? Is Badger's reasoning watertight? Why or why not?
An Easy Way to Multiply by 10?
problem
Favourite

An Easy Way to Multiply by 10?

Age
7 to 11
Challenge level
filled star empty star empty star
Do you agree with Badger's statements? Is Badger's reasoning 'watertight'? Why or why not?
A Puzzling Cube
problem
Favourite

A Puzzling Cube

Age
7 to 11
Challenge level
filled star empty star empty star
Here are the six faces of a cube - in no particular order. Here are three views of the cube. Can you deduce where the faces are in relation to each other and record them on the net of this cube?
Dotty Circle
problem

Dotty Circle

Age
7 to 11
Challenge level
filled star filled star filled star
Watch this film carefully. Can you find a general rule for explaining when the dot will be this same distance from the horizontal axis?
Triangle Pin-Down
problem

Triangle Pin-Down

Age
7 to 11
Challenge level
filled star filled star filled star
Use the interactivity to investigate what kinds of triangles can be drawn on peg boards with different numbers of pegs.
Arrangements
problem

Arrangements

Age
7 to 11
Challenge level
filled star empty star empty star
Is it possible to place 2 counters on the 3 by 3 grid so that there is an even number of counters in every row and every column? How about if you have 3 counters or 4 counters or....?
A Square of Numbers
problem
Favourite

A Square of Numbers

Age
7 to 11
Challenge level
filled star empty star empty star
Can you put the numbers 1 to 8 into the circles so that the four calculations are correct?
1, 2, 3 Magic Square
problem
Favourite

1, 2, 3 Magic Square

Age
7 to 11
Challenge level
filled star empty star empty star
Arrange three 1s, three 2s and three 3s in this square so that every row, column and diagonal adds to the same total.
The Number Jumbler
problem
Favourite

The Number Jumbler

Age
7 to 14
Challenge level
filled star empty star empty star
The Number Jumbler can always work out your chosen symbol. Can you work out how?
missing multipliers
problem
Favourite

Missing Multipliers

Age
7 to 14
Challenge level
filled star empty star empty star
What is the smallest number of answers you need to reveal in order to work out the missing headers?
Junior Frogs
problem

Junior Frogs

Age
5 to 11
Challenge level
filled star filled star empty star
Have a go at this well-known challenge. Can you swap the frogs and toads in as few slides and jumps as possible?
Latin Lilies
problem

Latin Lilies

Age
7 to 14
Challenge level
filled star empty star empty star
In this game you are challenged to gain more columns of lily pads than your opponent.
Rod Ratios
problem

Rod Ratios

Age
7 to 11
Challenge level
filled star filled star filled star
Use the Cuisenaire rods environment to investigate ratio. Can you find pairs of rods in the ratio 3:2?
Cuisenaire Squares
problem

Cuisenaire Squares

Age
7 to 11
Challenge level
filled star filled star empty star
These squares have been made from Cuisenaire rods. Can you describe the pattern? What would the next square look like?
Rearranged Rectangle
problem

Rearranged Rectangle

Age
7 to 11
Challenge level
filled star empty star empty star
How many different rectangles can you make using this set of rods?
Rod Fractions
problem

Rod Fractions

Age
7 to 14
Challenge level
filled star empty star empty star
Pick two rods of different colours. Given an unlimited supply of rods of each of the two colours, how can we work out what fraction the shorter rod is of the longer one?
Board Block Challenge for Two
problem

Board Block Challenge for Two

Age
7 to 11
Challenge level
filled star filled star filled star
Board Block Challenge game for an adult and child. Can you prevent your partner from being able to make a shape?
World of Tan 27 - Sharing
problem

World of Tan 27 - Sharing

Age
7 to 11
Challenge level
filled star filled star empty star
Can you fit the tangram pieces into the outline of Little Fung at the table?
World of Tan 26 - Old chestnut
problem

World of Tan 26 - Old chestnut

Age
7 to 11
Challenge level
filled star filled star empty star
Can you fit the tangram pieces into the outline of the brazier for roasting chestnuts?
World of Tan 24 - Clocks
problem

World of Tan 24 - Clocks

Age
7 to 11
Challenge level
filled star filled star empty star
Can you fit the tangram pieces into the outline of the clock?
World of Tan 18 - Soup
problem

World of Tan 18 - Soup

Age
7 to 11
Challenge level
filled star filled star empty star
Can you fit the tangram pieces into the outlines of Mah Ling and Chi Wing?
World of Tan 17 - Weather
problem

World of Tan 17 - Weather

Age
7 to 11
Challenge level
filled star filled star empty star
Can you fit the tangram pieces into the outline of the house?
World of Tan 14 - Celebrations
problem

World of Tan 14 - Celebrations

Age
7 to 11
Challenge level
filled star filled star empty star
Can you fit the tangram pieces into the outlines of Little Ming and Little Fung dancing?



Older upper primary Flash-based interactives

The activities below are older resources which require Flash in order to run.

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