Mathematics · Mathematics Pedagogy
A teacher asked the class to subtract 5 from 75. 70% of the class answered 25, and their work was shown as: 75 - 5 ----25 ---- Which of the following describes the most appropriate remedial action that the teacher should take to clarify this misconception?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Use a number line to explain how subtraction is done
- 2Give more practice on simpler problems like subtracting 1-digit numbers
- 3Revise the rule of subtraction of 1-digit numbers from 2-digit numbers that states digits should be written from right to left
- 4Revise the concept of place value and ask students to explain the process they used to solve the problem✓
Correct answer
Revise the concept of place value and ask students to explain the process they used to solve the problem
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