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extensive calculations of up to...
M390
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The large frame allows extensive calculations of up to 7-digit numbers (9999999). Each wire represents a decimal place and contains 10 beads of the corresponding colour. With this material, children are introduced to written addition.
Usage:
- Addition up to 9 999 999
- Subtraction up to 9 999 999
Age recommendation:
From 7 years
Learning objectives:
Addition, subtraction of numbers up to 1 million
Preparation for additon and subtraction
Self-correction:
Solution cards, a calculator or adult
Material / size:
Wooden Frame
7 wires strung with 10 beads
Approx. 25.5 x 17 x 4.5 cm
Environment & Safety:
Quality wood from environmentally friendly plantations
CE tested, testing protocols for SGS EN71 and DIN
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