Latest Resources

2nd February 2012 - Added two resources to help teach division by chunking. 'Division by chunking down' can be used to explore division as repeated subtraction and 'Division by chunking up' as repeated addition.

15th January 2012 - Added 'Balance scales - add, move or remove a weight' a great starter activity which requires that you balance the scales by either adding a weight, moving a weight from one pan to another, or by removing a weight. Involves lots of problem solving skills and mental addition and subtraction strategies.

12th January 2012 - Added 'Different ways to pay' in which you explore different ways to make the same amount of money using draggable coins.

1st January 2012 - Added 'Difference using an unmarked number line' a game in which you find the difference between two numbers by adding numbers to a balance scale. Children must find the most efficient method (adding the fewest possible numbers). The numbers are represented on a balance scale and by jumps on an unmarked / empty number line.

29th December 2011 - Added 'Difference using a marked number line' a game in which you find the difference between two numbers by adding numbers to a balance scale. These numbers appear as jumps on a marked number line.

22nd December 2011 - Added 'Fixed number of coins' in which children have to make a set amount of money using a fixed number of coins.

20th December 2011 - Added 'Balancing Scales - g and kg' a game which can be used to teach addition, subtraction, partitioning and mass, as well as developing an understanding of the equals sign.

16th December 2011 - Added 'Fewest Coins'. Drag and drop coins to make a given amount using the fewest possible number of coins.

15th December 2011 - Added 'Balancing Scales - converting between g and kg' a game which develops an understanding of the relationship between grams and kilograms using a balancing scale.

19th November 2011 - Added two new games which involve sorting numbers on Venn and Carroll diagrams.

15th November 2011 - Added a new game which involves sorting shapes on a Venn diagram.

14th November 2011 - Added a new game which involves sorting shapes on a Carroll diagram.  New games involving balancing weights will be coming shortly too.

Description Description 
Division by chunking down (repeated subtraction) Division by chunking down (repeated subtraction) Division by chunking down (repeated subtraction)

Use repeated subtraction (represented on a number line) to solve division problems.

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Division by chunking up (repeated addition) Division by chunking up (repeated addition) Division by chunking up (repeated addition)

Use repeated addition (represented on a number line) to solve division problems.

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Balance scales -  add, move or remove a weight Balance scales - add, move or remove a weight Balance scales -  add, move or remove a weight

Balance the scales by adding, moving or removing a weight. A great mental starter to develop addition and subtraction skills.

For more addition and subtraction resources click here.

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Different ways to pay Different ways to pay Different ways to pay

Find different ways to make the same amount of money. Drag the coins into the till to make a given amount. Includes a choice of international currencies.

For more money resources click here.

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Difference using an unmarked number line Difference using an unmarked number line Difference using an unmarked number line

Find the difference between two numbers by counting on from the smaller number to the larger number. Children must add the fewest numbers possible, so are encouraged to develop more efficient mental methods. The addition is also shown as jumps on a number line.

Levels include counting up to 10, 20, 50 or 100, finding the difference between 2-digit numbers, 3-digit numbers and decimals.

For more addition and subtraction resources click here.

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Difference using a marked number line Difference using a marked number line Difference using a marked number line

Count on from the smaller number to the larger. As numbers are added to the balance scale they are also shown on the number line. Children should be encouraged to use their knowledge of number bonds to develop efficient mental methods.

Levels include counting up to 10, 20, 50 or 100, finding the difference between 2-digit numbers and decimals.

For more addition and subtraction resources click here.

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Fixed number of coins Fixed number of coins Fixed number of coins

Make a given amount of money using a fixed number of coins. For example make 26p using exactly 6 coins. Encourages children to partition amounts in different way and requires higher order thinking.

For more money resources click here.

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Balancing Scales g and kg Balancing Scales g and kg Balancing Scales g and kg

Add weights to either pan until they are balanced. Can be used to teach addition, subtraction, partitioning, and mass, as well as developing an understanding of the equals sign.


Choose from grams, whole kilograms or kilograms with either 1 or 2 decimal places.

For more addition and subtraction resources click here.

For more partitioning resources click here.

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Fewest Coins Fewest Coins Fewest Coins

Make a given total using the fewest coins possible.

For more money resources click here.

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Balancing scales - convert between g and kg Balancing scales - convert between g and kg Balancing scales - convert between g and kg

The scale is loaded with between 1 and 4 weights. The user then has to balance the scales, converting between g and kg in the process. There is a great deal of control over the level.

A great starter to explore addition, subtraction / difference and partitioning as well as the relationship between grams and kilograms. Levels include converting whole kg to g (and vice versa), converting fractions of kg (eg 1/4kg = 250g) and weights in kg to 1 and 2 decimal places.

For more measuring resources click here.

For more addition and subtraction resources click here.

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Venn sort numbers Sorting numbers on a Venn diagram Venn sort numbers

Sort numbers on a Venn diagram. Sort according to one or two properties, including: odd, even, multiples, square numbers, prime numbers, triangular numbers, numbers less than 30 or more than 50.

For more resources involving sorting shapes and numbers click here.

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Carroll Sort Numbers Sorting numbers on a Carroll diagram Carroll Sort Numbers

Sort numbers on a Carroll diagram. Sort according to one or two properties, including: odd, even, multiples, square numbers, prime numbers, triangular numbers, numbers less than 30 or more than 50.

For more resources involving sorting shapes and numbers click here.

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Sorting shapes on a Venn diagram Sorting shapes on a Venn diagram Sorting shapes on a Venn diagram

Sort a variety of 2D shapes on a Venn diagram. Sort by one or two conditions. Sort triangles - scalene, equilateral and isosceles. Sort quadrilaterals, pentagons, hexagons, heptagons and octagons, as well as parallelograms, rhombus, kites and trapeziums. Also sort according to a shapes properties such as acute, obtuse, reflex or right angles and symmetry or whether it is a regular shape.

For more resources involving sorting shapes and numbers click here.

For more shape and space resources click here.

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Sorting shapes on a Carroll diagram Sorting shapes on a Carroll diagram Sorting shapes on a Carroll diagram

Sort a variety of 2d shapes on a Carroll diagram. Sort by one or two conditions. Sort triangles - scalene, equilateral and isosceles. Sort quadrilaterals, pentagons, hexagons, heptagons and octagons, as well as parallelograms, rhombus, kites and trapeziums. Also sort according to a shapes properties such as acute, obtuse, reflex or right angles and symmetry or whether it is a regular shape.

For more resources involving sorting shapes and numbers click here.

For more shape and space resources click here.

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