Free teacher web sites for Maths topic ‘Addition’

The best interactive whiteboard game we have seen. A question appears at the top of the screen - your two competitors race to hit the right answer first. They both have their own set of answers - this is a non-contact classroom sport!
Highly customisable questions.

External link: 2-player whiteboard number bond game

• suitable for class use

Good simple activity for R or possibly early Y1. Could be used at the end of a lesson on the interactive white board by the whole class as a quick quiz.

External link: 2 more than

• suitable for class use

This highly technical machine will add 1 to any number you type in. Remember to press the enter key to start it off. Only works in Internet Explorer.

External link: Add 1 machine

• suitable for class use

A great competitive game. Blow your opponent's submarine to smitherines - only if you can add 10. Take cover and prepare yourself for a great game.

External link: Add 10

• suitable for class use

Give this machine a go, it adds 10 to whatever you type in. Remember to press the enter after you have done so.

External link: Add 10 machine

• suitable for class use

We love this as it features a hundred square. Each response is timed to encourage speed. Great.

External link: Add 10 using a hundred square

• suitable for class use

Add 11 using a number square. Simple. Great.

External link: Add 11

• suitable for class use

Add 3 simple numbers using this powerpoint.

External link: Add 3 numbers

• suitable for class use

Enter a number and press enter. Whoolah! Lovely.
You must have the Flash plugin for this site to work.

External link: Add 5 machine

• suitable for class use

Simply add 9. And that's it!

External link: Add 9

• suitable for class use

This wonderful games encourages children to use their bonds and add two or more numbers together to make a target. The Target number is never greater than 20. It's a great whiteboard activity. Pages contain some rather diverting adverts but nothing inappropriate.

External link: Add it up

• suitable for class use

Add large numbers (thousands) two levels.

External link: Add numbers

• suitable for class use

You choose the lowest and highest numbers you want to use - then race your bugs o the finish line. You will need access to a keyboard to race.
This activity requires the free Adobe Flash player plug-in for your web browser. Click here to get the plug-in (you may need to be logged in to your computer as an administrator to continue).

External link: Add race

• suitable for class use

Add numbers less than 10,20,50,200. It's a great resource that gives the teacher lots of control. This Toftwood activity shows a number line that you can customise by typing in the starting number.

External link: Adding by making jumps on a number line

• suitable for class use

You are asked to total 10 by picking up numbers which will add to ten altogether, but don't go over 10!

External link: Adding many numbers to find the sum of a small number

• suitable for class use

If you are using numbers not greater than 10, and wish to add them, this funky mummy could be just the game to make them laugh their bandages off.

External link: Adding numbers up to 10.

• suitable for class use

Great for partitioning too. Simple game using numbers under 20.

External link: Adding using 5 and a bit

• suitable for class use

The answers are in the grid - you need to click on them to fill in the gaps. ie *+*=11.

External link: Addition grid 1

• suitable for class use

The answers are in the grid - you need to click on them to fill in the gaps. ie *+*=71

External link: Addition grid 2

• suitable for class use

The answers are in the grid - you need to click on them to fill in the gaps. ie *+*=96.

External link: Addition grid 3

• suitable for class use

Adding numbers under 10, 20 or 100 will be easy wit this very simple machine. Difficulty levels work well.

External link: Addition machine.

• suitable for class use

A lovely demonstration with apparatus. You choose the numbers and the animation demonstrates.

External link: Addition of 3 digit numbers with visual dienes

• suitable for class use

Look at a board of numbers. You are given ?+?=18. Click on two numbers in the grid that will fit.

External link: Addition speed challenge

• suitable for class use

• suitable for teachers’ personal use

You'll find sum of everything here! Designed for rapid recall, if you don't answer quick enough the questions move on. We got questions like.....1x3, 93-13, 82+1, 5x5.

External link: Addition, subtraction, multiplication and division sums

• suitable for class use

A super activity for developing discussion. You are asked to click on two numbers to make the total. Low numbers are given like ?+?=8.

External link: Additon grid

• suitable for class use

We've added all the ITPs or Interactive Teaching Programs as a link here - many will support addition and subtraction plus many other areas of the curriculum. We love their simplicity - clearly some of the most flexible and supportive of all resources - shame that some are tricky to get started with - persevere - they are stupendous examples of mathematical models and images.

External link: All of the ITPs

• suitable for class use

• suitable for teachers’ personal use

Add 1, add 2, add 5, add 10 and double are all here. Only works with MS internet explorer.

External link: All the number machines

• suitable for class use

Choose to solve questions with numbers 0-20, 0-50 or 0-100 using Addition/Subtraction. Get the monkey across the swamp without being eaten by crocodiles! Available as full-screen or small-screen.

External link: BBC Cross the Swamp game

• suitable for class use

Use these lovely triangular cards to practise bonds to 10, 20, 100 and 10 (one decimal place).

External link: Bonds practise

• suitable for class use

A great bridging activity.

External link: Bridge through 10,20 or 50.

• suitable for class use

Supports a range of maths skills, make the sums on the scales balance. Super! From Wmnet.

External link: Calc balance - addition and bonds

• suitable for class use

• suitable for teachers’ personal use

A tricky old activity - grab the steering wheel and make slight movements to drive your car and hit the target number by adding 1,2 or taking away 1.

External link: Car

• suitable for class use

Type in 80 then work out which compliment you should use ie 30 and 50. Great for morning maths or when teaching addition.

External link: Catch Complements

• suitable for class use

• suitable for teachers’ personal use

No promotion jokes please. This is a great resource to develop quick fire responses to simple add and subtract sums. We didn't find any sums with double digits in. There are 4 levels - best to have a play - start with level 1 as responses need to be seriously fast - just like your promotional journey to the top.

External link: Climb the greasy pole

• suitable for class use

• suitable for teachers’ personal use

From TU add TU all the way up to TU.th+TU.th+TU.th. And everything you could ask for in between.

External link: Compact addition

• suitable for class use

Add, subtract, divide and multiply to hit the target number. Letters are also generated to support Literacy lessons and spelling. A great way to start the day in a different and challenging way each morning.

External link: Countdown target number

• suitable for class use

• suitable for teachers’ personal use

We love this game - use the help first though. We needed to. It encourages children to think about the number they need to get them to the next ten. So if you start from 34 - type in 6. This gets you to te next ten. Great.

External link: Counting up to the nearest ten

• suitable for class use

Great for practising finding totals of 2 digit by 1 digit numbers. Great for KS2.

External link: Ghost blast addition

• suitable for class use

• suitable for teachers’ personal use

As it says on the tin. Rapid recall addition!

External link: Ghost blast addition 2 digit by 2 digit

• suitable for class use

• suitable for teachers’ personal use

What a wonderful activity. Just add 5 in order to refuel the rockets. Great.

External link: Just add 5

• suitable for class use

Click on the spots to encourage work on addition and subtraction by 1.

External link: Laughs and Giraffes - one less and one more

• suitable for class use

• suitable for teachers’ personal use

This activity is visually simple and requires little explanation. Could well be used effectively with a small group or as part of a mental starter. It starts with adding numbers on dice. So no more than a total of 6. It then moves on to using written numbers.
Requires the ShockWave plug-in from Adobe to work.

External link: Little Animals Activity Centre

• suitable for class use

• suitable for teachers’ personal use

Practise addition sums against the clock. Very customisable e.g. you can select +1 and every sum includes a random number and always +1. Two levels of difficulty and based on a timer. Ideal for KS1 and lower KS2.

External link: Maths magician

• suitable for class use

Practise against the clock - addition, subtraction, multiplication and division sums. Very customisable ie for addition you can select +1 and every sum includes a random number and always +1. Two levels of difficulty and based on a timer. This really is the site for any operation. Ideal for Ks1 and lower Ks2. Includes an option to throw in all operations or mixed multiplication and division or mixed addition and subtraction.,

External link: Maths magician advanced

• suitable for class use

• suitable for teachers’ personal use

Click on the sequence of possible numbers given to make the number sentence correct. Includes numbers as high as 100 or so, in different (selectable) levels.

External link: Mental Addition challenge

• suitable for class use

We love this. Missing number activity. Teacher led you add in the numbers *+*=*.

External link: Missing numbers

• suitable for class use

Drag the missing number in. Two levels to choose from. Level 1 starts with sums like 12+60=

External link: Missing numbers fridge magnets game.

• suitable for class use

Phew, loads here includes Bonds to; 1 (1 decimal place and 2dp), make 10 (1dp, 1) , make 20, make 100 (TU, multiples of 5s and 10s), Includes bonds within 100,20 and 10. Great for subtraction and addition work. What a super resource from Wmnet.

External link: Number bond activities

• suitable for class use

• suitable for teachers’ personal use

A great activity. Type the answers in, for example 3+?=5.

External link: Number bonds for 5, 10 and 100

• suitable for class use

If you want them to add to 10, this has to be the website for you. Match two numbers that total 10.

External link: Number bonds to ten

• suitable for class use

Make techno tortoise move forward 1,5,10 or back on the number line. The jumps are drawn on to show movement. Great.

External link: Number line jumps back and forward in steps of 1,5 or 10.

• suitable for class use

Generates large print addition and subtraction arithmetic with a range of coloured backdrops. Arithmetic is generated randomly with each button press to ensure repeatability.

External link: Printable addition worksheets

• suitable for teachers’ personal use

Generate classic magic squares and magic squares with larger numbers. 4 to 6 gaps can be added and the background colours changed. Very slick and useful. Perfect homework material - mum and dad will want to help.

External link: Printable magic square game sheets

• suitable for teachers’ personal use

A bit like a magic square. But this one's in a triangular arrangement. Make each side total the same amount.

External link: Problem solving

• suitable for class use

A great plenary for Ks2 and confident Ks1 children You are given number cards 2,8,4,1 and need to place them in a possible order *+*=**. Great from problem solving activities.

External link: Problem solving using addition

• suitable for class use

A mixed bag with the incentive to play te basketball game, ideal for lower Ks2.

External link: Range of word problems

• suitable for class use

Crack this safe by finding the numbers which total the given number. ie. turn the dials to find numbers that total 9.

External link: Safe cracker addition

• suitable for class use

You can now practise number bonds from 4-10. A super, very visual activity.

External link: Save the whale number bonds

• suitable for class use

• suitable for teachers’ personal use

Type in the answer to find out if you can add low numbers together, e.g. add 1 etc.

External link: Simple addition

• suitable for class use

The classic black jack - with a twist. Don't go over 11. Choose to stick or take another card and chance your luck - supports simple adding in Ks1 and promotes discussion - even good for probability.

External link: Stick or twist

• suitable for class use

• suitable for teachers’ personal use

Make sums of your choice, includes subtraction, multiplication and division too! Levels of difficulty vary.

External link: Sum dispenser

• suitable for class use

• suitable for teachers’ personal use

Free Willy. Just connect the correct the pipe so water can flow into Willy's tank and he'll escape if you are right. Magical.

External link: Willy whale Bonds to 10

• suitable for class use

Word problems for addition, subtraction and division. Our first problem was; Evan went to 41 baseball games this year. He went to 27 games last year. How many baseball games did Evan go to altogether?

External link: Word problems

• suitable for class use