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The Subtraction Strip Board is a rectangular board divided into 18 squares from left to right and 11 squares from top to bottom. There are numbers from 1 - 18 above the squares (1-9 in blue and 10-18 in red) There is a blue line dividing the board vertically after the 9th square. AR Enabled.
Recommended Ages: 5+ years
Objective: Helps to learn the concept of subtraction.