Mathematics · Pedagogy of Mathematics

When teaching addition of fractions, a teacher came across the following common student error: 12 + 13 = 25 What remedial action should the teacher take in such a situation?

Verified Solution4 OptionsUpdated: October 2026👁️1 View

1Do nothing, because the student will naturally understand the concept as they grow up.
2Ask the child to practice similar questions as many times as possible without further intervention.
3Help the child to understand the conceptual process of finding and using the Least Common Multiple (LCM).✓
4Help the child to understand the standalone magnitude of each individual fraction.

Correct answer

Help the child to understand the conceptual process of finding and using the Least Common Multiple (LCM).

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