iPads, tablets and similar computing devices.

Lemon Law

Change the numbers on the apples so that the number on the lemon is the given total.

Hot Numbers

Move the numbered cards to form five 2-digit numbers which obey the given rules. A ten-stage numeracy challenge.

Numskull

Interactive, randomly-generated, number-based logic puzzle designed to develop numeracy skills.

Addle

Arrange the numbers from 1 to 14 in the spaces to make the sums correct. How fast can you do it?

Pairs Twenty One

Find the pairs of numbers that add up to 21 in this collection of matching games.

Suko Sujiko

Interactive number-based logic puzzles similar to those featuring in daily newspapers.

Mathopoly

A game of buying and selling property with maths questions thrown in for good measure.

Expedite

Drag the numbered cards to produce a multiplication fact. Complete twenty mixed times tables questions to earn a trophy.

Connect 4 Factors

This a game for one or two players. The winner is the first to line up four numbers with a common factor.

Sieve of Eratosthenes

A self checking, interactive version of the Sieve of Eratosthenes method of finding prime numbers.

Number Crunch Saga

A lively numeracy game requiring you to align three numbers to create the given target sum or product.

Broken Calculator

Some of the buttons are missing from this calculator. Can you make the totals from 1 to 20?

Prime Labyrinth

Find the path to the centre of the labyrinth by moving along the prime numbers.

Transformations

Draw transformations online and have them instantly checked. Includes reflections, translations, rotations and enlargements.

Tantrum

A game, a puzzle and a challenge involving counters being placed at the corners of a square on a grid.

Scallywags and Scoundrels

Arrange the scallywags and scoundrels on the chairs so that the numbers of any two sitting next to each other add up to a prime number.

Stable Scales

Ten balance puzzles to prepare you for solving equations.

Thrice

Can you arrange all of the counters on the grid to form 10 lines of three counters?

Dominoes Puzzle

Arrange the dominoes in seven squares. The number of dots along each side of the square must be equal to the number in the middle

Nine Nine Nine

Use the digits 1 to 9 to make three 3 digit numbers which add up to 999.

Spinsum

Arrange the numbers on the squares so that the totals along each line of three squares are equal.

BIDMAS Game

An online interactive game celebrating the order of mathematical operations.

Clock Times Pairs

The traditional pairs or Pelmanism game adapted to test the ability to compare analogue and digital times.

Months of the Year

Match the month name with the month number in this drag and drop activity

Ludicross

Arrange the given numbers on the cross so that the sum of the numbers in both diagonals is the same.

Plane Numbers

Arrange numbers on the plane shaped grid to produce the given totals

Cheese and Onion Pies

Sort the fractions from smallest to largest.

Sheep Herding

Arrange the sheep in the field according to the instructions. An introduction to loci.

Squorder

The Transum version of the traditional sliding tile puzzle.

Number Jigsaws

Online, interactive jigsaw puzzles of grids of numbers.

Roman Numerals Jigsaw

An online interactive jigsaw puzzle of a grid of Roman numerals.

Polybragging

The Transum version of the Top Trumps game played online with the properties of polygons.

Car Park Puzzle

Can you get your car out of the very crowded car park by moving other cars forwards or backwards?

Six Discrimination

The six button has dropped off! How could these calculations be done using this calculator?

Formulae to Remember Pairs

The traditional pairs or pelmanism game adapted to test recognition for formulae required to be memorised for GCSE exams.

Separated Twins

Can you find a 6 digit number containing two each of the digits one to three which obeys the rules given?

Telling The Time

Practise reading a clock face and making simple time calculations.

Without Lifting The Pencil

Can you draw these diagrams without lifting your pencil from the paper? This is an interactive version of the traditional puzzle.

River Crossing

The traditional River Crossing challenge. Can you do it in the smallest number of moves?

Digivide

Arrange the numbers from 1 to 6 in the spaces to make the calculation correct.

Reading Scales

A self marking exercise on the reading of scales of different types.

Cartoon Scatter Graph

Place the cartoon characters on the scatter graph according to their height and age.

Area Two

How many different shapes with an area of 2 square units can you make by joining dots on this grid with straight lines?

The full list of activities can be seen here:

Successfully complete an activity and you will earn a Transum Trophy. Collect trophies in your own personal Transum Trophy cabinet and, for some activities, you can work on improving your personal best Transum scores.

In addition to the activities on this website Transum has some favourite iPad apps. They are available here when you are signed in to your Transum subscription account. If you do not yet have an account and you are a teacher or parent you can apply for one here.

A Transum subscription also gives you access to the 'Class Admin' student management system and opens up ad-free access to the Transum website for you and your pupils.

Did you know that it is very easy to add an icon for a Transum activity to your iPad home screen? You can find instructions here.

Do you have any comments? It is always useful to receive feedback and helps make this free resource even more useful for those learning Mathematics anywhere in the world. Click here to enter your comments.

For more advice, ideas on suggestions on using one-to-one computing devices in the classroom see Laptops in Lessons.