A set of colourful numbers from 0-20 in digits and in words to help your pupils to understand the numbers and their corresponding words. These flashcards are great to use for odd and even, greater and less than, counting by 2's, skip counting, simple addition and subtraction. Laminate and it can be used for one-to-one private teaching to pupils who have difficulty with numeracy or in a group classroom environment. Great as a wall displays too. Hope you find it useful.