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Subtraction Working Charts
Tables de mémorisation de la soustraction
A set of boards and number tiles to help the child practise and memorise the unit subtraction facts.
ELG: Numbers: children count reliably with numbers from 1 to 20, place them in order and say which number is one more or one less than a given number. Using quantities and objects, they add and subtract two single-digit numbers and count on or back to find the answer. They solve problems, including doubling, halving and sharing.
WARNING: Not suitable for 0-3 years - Small Parts: Choking hazard.
Instructions | Instructions: http://www.infomontessori.com/mathematics/tables-of-arithmetic-substraction-charts.htm |
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