This generates a number line. Two markers with numbered boxes can be moved along the number line. Depending on the order of the two markers you can show the sum and difference between the two numbers and the calculation represented.

Select from a differentiated range of addition and subtraction problems, solving them by 'dragging' and 'dropping' the appropriate leaps on a number line.

aim: To develop pencil and paper methods to complete additions.
To add two 2-digit numbers together by adding the tens digit first.

Techno Tortoise A demonstrator for the use of number lines.
Includes a game for adding two 2-digit numbers together by adding the tens first. Answer 5 questions correctly and you can play the flying game.

Aim : Y1: 'Counting-on' in ones from a 2-digit number.

Turn the ignition key. Count-on in ones to find the correct 'bump target'. Then pull on the steering wheel to drive your car into the 'bump target'.
You will need Flash Player 6:Get Flash Player 6

A game involving a range of counting on and back activities on a movable number line. Use the '<' '>' buttons to move along the line. Get the answer right to fire the rocket!

Choose your minimum and maximum number. Children then arrange numbered buds on the branch. If you are finished, click on the caterpillar to see if you are right.

This is the best number line we've seen! As well as the usual flexibility of being able to change scales and markings you can zoom in on any area which makes it particularly good for use on interactive whiteboards in full-screen mode.

A teaching tool to help with number sequences which go up or down. The counting sticks are either vertical or horizontal. There are different levels of difficulty from very simple to including negative numbers.