Learning to count is the very first step in math. Here is a set of colorful numbers from 0-50 in digits to help your pupils to understand the numbers.. These flashcards are great to use for odd and even, greater and less than, counting by 2's, 3's, 4's etc, 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 display too as summer theme. Hope you find it useful.