Use knowledge of place value and addition and subtraction of two-digit numbers to derive sums and differences and doubles and halves of decimals

Division - Crystal Crash
A fun way to get children to practise their division facts. All the levels are based on objectives from the new maths curriculum. Choose one level, or select all the levels for a year group.

This game, together with all the other crystal crash games, is available as a single iPad or Android app.

Game availability:

Online in HTML5 format
Division - Crystal Crash ?
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.

Game availability:

Online in HTML5 format
Balance scales - add, move or remove a weight ?
KS2 Maths Invaders
** New tablet-friendly version added 14th February 2018. Please let me know if you have any problems - support@mathsframe.co.uk

Shoot the spaceship with the correct answer and dodge the incoming fire. A fun game to practise a wide range of key mathematical skills.

There are over a hundred carefully differentiated levels linked to objectives from the new maths curriculum. The game can be used to teach: Multiplication, Addition, Reading Numbers, Subtraction, Fractions of Numbers, Roman Numerals, Rounding Numbers, Division, Converting Fractions to Decimals, Converting Fractions to Percentages, Telling the Time in Words, Recognising Multiples, Factors, Prime, Square and Cube Numbers, and Simplifying Fractions. A full list of levels is below. This game is also available as an iOS and Android app.

Game availability:

Online in HTML5 format
KS2 Maths Invaders ?
Addition - Crystal Crash
A fun game to practise mental addition skills. The game was designed to cover all the mental addition objectives in the new math curriculum. You can choose one objective, or choose all the objectives for a year group.

This game will work on any device in your browser.

Game availability:

Online in HTML5 format
Addition - Crystal Crash ?
Multiplication - Crystal Crash - Tablet Version
A great game to get children to practise their times tables. The objectives for this game have been taken from the new mathematics curriculum.

This new version will work on any tablet or computer.

Game availability:

Online in HTML5 format
Multiplication - Crystal Crash - Tablet Version ?
Subtraction - Crystal Crash
The game was designed to cover all the mental subtraction objectives in the new maths curriculum. You can choose one objective, or choose all the objectives for a year group.

This game will work on any tablet or computer.

Game availability:

Online in HTML5 format
Subtraction - Crystal Crash ?
Adding Decimals - Digit Drag
Drag the digits to add decimal numbers and make a given total.

Game availability:

Online in HTML5 format
Adding Decimals - Digit Drag ?
Addition and Subtraction Dominoes
Answer addition and subtraction questions to arrange the dominoes in the correct order as quickly as possible. Lots of choice over level including; add and/or subtract within 20, 50, 100, using decimals or with negative numbers.

Game availability:

Online in HTML5 format
Addition and Subtraction Dominoes ?
Missing Symbols
Drag the symbols to the correct position to make the number sentence correct. Lots of levels to play. See if you can improve your score over time.

For more multiplication and division resources click here.

For more addition and subtraction resources click here.

This game is now part of the 'Calculations' collection, which includes the following 17 games and resources: Column Addition, Expanded Addition, Expanded Addition - Place Value Counters, Number Bonds(2), Addition - Digit Drag, Missing Symbols, Column Subtraction, Column Subtraction using Place Value Counters, Counting on to find difference on a beadstring, Multiplication Grid Method, Multiplication Written Method, Ratio and Scaling Numbers, Representing Multiplication, Division by Chunking Up, Division by Chunking Down, Formal Written Division - Round Up or Down?, Short Division Writen Formal Method.

The Calculations app is available on Google Play and the App Store.

Game availability:

Online in HTML5 format
Missing Symbols ?
Number Bonds
Find pairs of numbers with a given total. Play against the clock.

For more addition and subtraction resources click here.

Game availability:

Online in HTML5 format
Number Bonds ?
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 kilog More…rams. 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.

Game availability:

Online in HTML5 format
Balancing scales - convert between g and kg ?
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.

Game availability:

Online in HTML5 format
Difference using an unmarked number line ?