Index Area Calculating angles Coordinates Counting on and back Data handling Decimal number line Difference Division Grid Fixing points Fractions Grouping Isometric grid Line graph Measuring cylinder Measuring scales Moving digits Multiplication facts Multiplication grid Number dials Number facts Number grid Number line Number spinners Ordering numbers Place value Polygon Remainders after division Ruler Symmetry Tell the time Thermometer Twenty cards 
DifferenceThis ITP allows you to compare two rows of beads and to analyse the calculations they can represent. It can be used to promote the language of addition and subtraction, particularly the interpretation of difference. The ITP operates as a series of animations which show how the rows of beads can be represented by two number lines and then as a single number line with the difference indicated by a ‘jump’. The animation runs in a sequence as shown below. 
Run Difference 1.2 
Click the play button to start each stage of the animation.

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Primary National Strategy