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- Two red equilateral triangles with a black line along one side
Full Set (Assembled)
🧒📝Ideal Montessori Learning Aid - Whether at home or in the classroom
Each place value consists of 9 units
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Addition Strip Board human - Two red equilateral trianglesWooden board 12 squares by 18 squares with the numerals 1 18 printed across the top. A wooden box contains 9 red wooden strips and 9 blue wooden strips of varying lengths both printed with the numerals 1 to 9. To provide experience in addition of numerals. To give the child concrete experience in addition. To aid the child in learning addition tables. Practice in combinations of numbers. Preparation for abstract mathematics. Concentration.
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