Addition and Subtraction Flashcards Set (1 to 20) for Learning Math

Teaching and game set. The set shall consist of: 12 double-sided cards of light colour (white or grey), intended for practice in addition and subtraction within the first two tens. The cards have the shape of a gear (a circle with 12 semicircular cutouts located along the entire length of the circle, the distance between the cutouts is equal).

The cards are made of coated paper, the diameter of each card is 210 mm, each card has two holes with a diameter of at least 3 mm. In the centre of each card there are 12 tasks; the answers to the tasks are located next to the card cut-outs. The back of each card provides an opportunity for self-checking.

The cards are packed in a square-shaped cardboard folder with a side length of 220mm and a thickness of 7mm.