Subtraction Working Charts demonstration-tray-set The purpose of this product

The purpose of this product is to learn the parts of a leaf: blade

and the top rail has a slot for inserting the wooden tiles

5 cm (with lid)

or mathematical equations of thousand numbers

Perfect for pretend play again and again

Subtraction Working Charts demonstration-tray-set The purpose of this productThis set consists of a control chart, two working charts, and a box of wooden answer chips. The tiles are used to fill in the subtraction tables on the charts. The Subtraction Working Charts aid the child in practice and memorization of the subtraction combinations. Features Large rectangular board: 41. 5 cm x 23. 5 cm x 0. 5 cm. Small rectangular board: 40. 2 cm x 16 cm x 0. 5 cm. Tile box: 10 cm x 10 cm x 4. 7 cm. Tiles: 2 cm x 2 cm x 0. 4 cm.