Subtraction Strip Board
$31.78
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Montessori Mathematics Material Subtraction Strip Board gives the child the possibility of practising subtraction leading to the memorization of the essential combinations; (up to 18 9, as no singe digit subtraction has an answer greater than 9) What's Included: A wooden board (12 squares by 18 squares) with the numerals 1-18 printed on top A wooden box contains 9 red wooden strips and 9 blue wooden strips both printed with the numerals 1 to 9 A wooden box contains 18 natural wooden strips of varying lengths
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$28.89
$31.78
(+$2.89)