Description:

• Binomial Square is a wooden box containing 4 two- dimensional pieces to represent the formula (a b)2 =a2 b2 2ab.

• The lid is printed with the corresponding colours of red, blue and black to help the children assemble the pieces.

• The control is screened onto the lid.

• Binomial Square is for introducing mathematical concepts of algebra. The factors of the equation are represented by the squares.