Solving word Making incorrect Conceptual Confusing the problem interpretation of meaning of mathematical mathematical terminologies Solving algebraic Transferring a Conceptual/ Does not understand equations. term across the Procedural the essence of the equality sign rule of changing the without changing sign its sign Use of Conceptual/ Thinking that the sum incorrect sum Carelessness of interior angles of a triangle is 3600. of interior Solving for angles angles of a triangle. Writing angle sizes as ordinary numbers Decimal and Incorrect Conceptual Considering a fractional notations changing of decimal point to have Decimals decimals into the same meaning as and fractional form a short line in a Fractions and vice fraction. Changing mixed Changing a into Procedural Thinking that the numbers into form of by expanded form of fractional form (b + a) ÷ c a was + Multiplying decimal Placing a decimal Procedural Confusing the numbers point in the direction of counting product by decimal places in the counting decimal product. places from left
Solving word problem Making incorrect interpretation of mathematical Conceptual Confusing the meaning of mathematical terminologies Solving algebraic equations. Transferring a term across the equality sign without changing its sign Conceptual/ Procedural Does not understand the essence of the rule of changing the sign Solving for angles Use of incorrect sum of interior angles of a triangle. Writing angle sizes as ordinary numbers Conceptual/ Carelessness Thinking that the sum of interior angles of a triangle is 3600. Decimals and Fractions Decimal and fractional notations Incorrect changing of decimals into fractional form and vice Conceptual Considering a decimal point to have the same meaning as a short line in a fraction. Changing mixed numbers into fractional form Changing a into form of by (b + a) ÷ c Procedural Thinking that the expanded form of a was + Multiplying decimal numbers Placing a decimal point in the product by counting decimal places from left Procedural Confusing the direction of counting decimal places in the product.