The following exercise will help you learn the basic subtraction equations for the number 1. When you think you know the equations, please click on the Continue to Next Page link to test your knowledge. Please take your time: take whatever time you need to learn the material.
SpringGreen Box DarkMagenta Box Khaki Box DarkTurquoise Box MediumTurquoise Box Indigo Box Teal Box Purple Box CornflowerBlue Box Chartreuse Box
minus
SpringGreen Box
equals
SpringGreen Box DarkMagenta Box Khaki Box DarkTurquoise Box MediumTurquoise Box Indigo Box Teal Box Purple Box CornflowerBlue Box
Next Problem
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