Abacus: Combined Operations Visualization

Abacus: Combined Operations Visualization

Educational abacus online game, that can be used to visualize combined operations, i.e. groupings of numbers and the order required to perform the summation. Determining the number of balls in this math activity with an abacus means simplifying the operation: determine the number of groups of 5 balls, multiply 5 by the number of groups and add the remaining number of balls, a number smaller than 5. In these combined operations, sums and multiplications are practiced. It may be suitable for practicing with children aged 10-12.  

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Abacus: Combined Operations Visualization

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