Parallel activities for addition and/or subtraction are always ready for the child who is eager to use different material. These include the Strip Boards, the Snake Game, the Dot Game and the Stamp Game. Various boards are also available for square root and factoring whenever the child is ready and interested.
The child can do simple addition with the Strip Board which features red and blue rulers of graduated lengths representing the quantities 1 through 9.
And also to the large square board, a child can place the numbers 1 through 100 in sequential order.
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