3 sets of color-coded unit division combinations (equations) slips. 1 set of combinations for use with each of the two Division Working Charts. Each set is supplied in a...
This 2-compartment box with lid contains plastic chips, 1 set of all the equally divisible problems for the numbers 1–81 and 1 set of chips with the answers to be used with the...
A set of 100 plastic cards (13.5 x 13.5 cm) printed with numbers and geometric figures. Used for teaching counting to 100, learning prime numbers, common multiples and more....
Classroom observation suggests that it can be difficult for children to master all the addition and subtraction combinations of numbers up to 20. The Quantity Splitting Box will...