WISSNER® active learning - Abacus in 10 colours - RE-Wood®

Rake frame made from natural material RE-Wood with 100 balls in the colours yellow, green, dark blue, red, turquoise, light blue, grey, orange, brown and purple Ideal for combining with our system tools, as the individual values are matched to each other. All our items follow the same scheme: one = yellow ten = green hundreds = blue thousands = red etc. Promoted competence - addition - counting with and without ten transition - multiplication - multiply division - divide - distribute numbers (more less) - discover relationships between numbers - use of specialist terms (e.g. Predecessor/successor, neighbour's centres, half/double of, multiples/dividers) - emphasising the 10th structure Made from RE-Wood: 100% recyclable, certified with the PEFC seal and free from harmful substances; complies with toy standard DIN EN71-3 Made in Germany, Manufacturer: WISSNER® aktiv lernen