Mathematics · Pedagogical Issues
In a mathematics classroom, a student counts on his fingers to solve addition problems in the following ways: 3 + 9 = 4, 5, 6, 7, 8, 9, 10, 11, 12 9 + 3 = 10, 11, 12 Which of the following statements is most appropriate regarding the above process used by the student?
- 1It is an appropriate and optimal algorithm to solve all questions based on addition.
- 2The student should be discouraged from counting on fingers as it is not a formal method to solve a problem.
- 3The student is unable to use the commutative law of addition effectively to optimize solving problems.✓
- 4This process should be ignored as it is not algorithmic.
Correct answer
The student is unable to use the commutative law of addition effectively to optimize solving problems.
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