The main error patterns in one-step word problems were posing the adder and subtract problemsand Posing unknown number as known number.
The main error patterns in one-step word problems were posing the adder and subtract problemsand Posing unknown number as known number.
五、单步骤题型拟题错误类型主要为：1.拟出加减之题目；2.「×」将未知数当作已知数加以拟题。