Just as teen numbers are ten and some units, tens are ten repeated — and this printable worksheet makes that beautifully concrete. Children who have worked with the teen board will find a natural progression here, moving from teen numbers to understanding how all two-digit multiples of ten are constructed, laying a solid foundation for place value and arithmetic. What's included:Printable ten board template for tens from 10 to 90Independent writing version for children writing numerals and numbe