This fantastic decimal resource simplifies classroom explanations, clearly shows the effects of multiplying or dividing by 10 or 100 and helps to illustrate that only the decimal point moves. Pupils can write their numbers in the 5 squares using a dry-wipe pen and slide them back and forth using the laminated slider. Available as a class pack of 30 small sliders or a matching large teacher’s slider, ideal for front of class use. Teacher slider approx. 420 × 190mm, pupil sliders approx. 210 × 100mm.