there is often more than one way to knock down a pin may be an interesting and attractive feature of this activity. But from the viewpoint of playing the game, once is enough!
Characteristics of the medium response:
The responses to questions 3, 4, and 5 include at most two incorrect equations, and at most two possible pins are omitted.
Characteristics of the low response:
The low response shows some understanding of basic arithmetic; at least five equations are written correctly. But there is apparently little flexibility of thought, because many of the pins that could be knocked over are left standing.
Shoecraft, Paul J. (April, 1982). "Bowl-A-fact: A game for reviewing the number facts," Arithmetic Teacher.