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.
OliveDrab Box Aqua Box Khaki Box DarkSlateBlue Box Turquoise Box DarkOrchid Box DarkMagenta Box Pink Box MediumAquamarine Box DarkOliveGreen Box Tan Box MediumSeaGreen Box
minus
OliveDrab Box
equals
OliveDrab Box Aqua Box Khaki Box DarkSlateBlue Box Turquoise Box DarkOrchid Box DarkMagenta Box Pink Box MediumAquamarine Box DarkOliveGreen Box Tan Box
Next Problem
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