6 Children Playing Game Small 320×228 Medium 640×455 Large 1024×729 Download Tiff Original 2400×1708 | (516.0 KB) Description Illustration of 6 children playing a game that can be used to write mathematics story problems involving addition, subtraction, and counting. Keywords add, adding, addition, counting, math, mathematics, story problem, story problems, subtract, subtraction Galleries Story Problems Source: Ada Van Stone Harris and Lillian McLean Waldo First Journeys In Numberland (New York: Scott, Foresman & Company, 1911) 92