Mathematics · Pedagogy of Mathematics
A teacher asked the class to subtract 5 from 75. A large group of students misaligned the columns and incorrectly calculated the answer as 25. Which of the following describes the most appropriate remedial action the teacher should take to resolve this misconception?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Draw a standard linear number line on the board and demonstrate how physical backward jumps are executed.
- 2Provide more repetitive practice sheets containing only single-digit operations to memorize standard algorithms.
- 3State a rigid mechanical rule that single-digit numbers must always be written on the absolute right side.
- 4Revisit and reinforce the core concept of place value, asking students to explain their step-by-step process.✓
Correct answer
Revisit and reinforce the core concept of place value, asking students to explain their step-by-step process.
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