Mathematics

Fractions

The most common mistakes Singapore primary students make in Fractions, distilled from 276+ MOE-aligned questions across P2, P3, P4, P5, P6. Free practice at every level.

From the question bank

Top 10 mistakes in Fractions

  1. #1Misconception

    Added separately.

    Seen in 7 questions

  2. #2Misconception

    Subtracted separately.

    Seen in 7 questions

  3. #3Misconception

    Multiplied instead of divided.

    Seen in 4 questions

  4. #4Partial logic

    Not simplified.

    Seen in 3 questions

  5. #5Calc error

    Calculation error.

    Seen in 2 questions

  6. #6Misconception

    Selected the fraction with the SMALLEST denominator, thinking small denominator = small fraction. With same numerator, a smaller denominator actually means a LARGER fraction (1/2 is the biggest here).

    Seen in 1 question

  7. #7Misconception

    Picked a middle value rather than the smallest. With same numerator, the fraction with the LARGEST denominator (8) is the smallest.

    Seen in 1 question

  8. #8Partial logic

    Compared denominators but stopped before checking the largest one. 1/4 is smaller than 1/2 and 1/3, but 1/8 has a larger denominator and is smaller still.

    Seen in 1 question

  9. #9Misconception

    Biggest to smallest.

    Seen in 1 question

  10. #10Misconception

    Picked the unshaded count instead of the shaded count.

    Seen in 1 question

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