Add and Subtract on a Number Line
Try adding and subtracting near multiples on a number line. Develop mental methods of addition and subtraction by adding and subtracting a multiple of 10 or 100, and then adjusting. Works well on IWB.
Underwater Counting
Can you find the treasure? You need to count the underwater creatures. This game has two levels: Count to 5 and Count to 10.
The Greatest Game Ever
Can you beat the computer by making a 3-digit number that is larger? There is also a number ordering game. Slow loading.
Minus Miners
Use your knowledge of negative numbers to mine resources and save your village.
20 Bead Rekenrek
A great teaching tool for helping young children to understand numbers and learn strategies for addition and subtraction, doubling and halving.
Paint the Squares
There are various sized interactive grids up to 120, all of which are configurable. They include a regular 100 square, a negative numbers grid, decimal numbers and puzzles. Ideal for starter or plenary activity.
Higher and Lower
How good are you at ordering numbers? Lots of examples to try from simple ordering numbers to 10 to fractions, decimals or negative and positive numbers. Please be aware the input numbers section is faulty.
Compose and Decompose Numbers
A place value game which can help you to understand tens and ones.
Millions Counter
This site from Mathszone can help you to read numbers from single digit numbers up to numbers with tens of millions.
What are odd and even numbers?
A Bitesize feature which explains how even numbers divide between two and odd don't. Try your hand at making the monkeys happy.
