Abacus Teacher is a rake frame teachers tool to demonstrate additions and subtractions up to 100.
A total of 100 beads (25mm diameter). 10 beeds x 10 rows. Each row has 5 red and 5 white beads.
Can be used as table or overhang model.
Counting and all basic arithmetic operations (addition, subtraction, multiplication and division), but also number size comparisons in the range 0 to 100 can be learned or consolidated easily and vividly.
made of RE-Wood: 100% recyclable, certified with the PEFC seal and free of harmful substances, complies with toy standard DIN EN71-3
Dimensions: 57 x 37 x 13 cm
Made in Germany