Lauri Pocket Chart Cards - Early Math Skills Products that are great fun from children to adults High quality toys and games Games and toys that the whole family can enjoy The Early Math Skills card set starts with simple counting and 1 to 20 number recognition Then it advances to addition, subtraction, size, linear measurement, early fractions and simple equations Perfect for the classroom or home use Features colorful illustrations and easy-to-see numbers Contents: 126 Double-Sided Cards, Activity Guide