A set of 'Build the Number' cards focussing on the numbers 11 to 50 to be used with Dienes Blocks (Base Ten). Children must look at the number and then choose the correct amount of 'tens' and 'ones'. For example, for the number 25, place 2 ten blocks and 5 ones.
 
Print, laminate and trim before mixing up and asking children to choose one at random. 
 
20 pages in total - 2 cards per page.