Whole Numbers
The most common mistakes Singapore primary students make in Whole Numbers, distilled from 221+ MOE-aligned questions across P1, P2, P3, P4, P5. Free practice at every level.
Top 10 mistakes in Whole Numbers
- #1Misconception
Not doubling.
- #2Misconception
4 hundreds < 7.
- #3Misconception
4 hundreds > 3.
- #4Misconception
28 comes before 29. We are looking for the number AFTER 29.
- #5Misconception
29 is the number itself. The number after 29 is the next number: 30.
- #6Calc error
31 comes after 30. The number immediately after 29 is 30.
- #7Misconception
28 is actually the smallest of the four numbers, not the second largest. Arrange all numbers from greatest to smallest before answering.
- #8Misconception
Saw 638 starts with 6 and assumed it was the largest, not comparing the tens digits 3 vs 8.
- #9Misconception
Picked 386 because 8 is the largest digit in the number, confusing digit value with number value.
- #10Misconception
Noticed all three numbers contain the digits 3, 6, 8 and assumed the numbers must be equal.
Practise Whole Numbers by level
- Primary 148 questions
- Primary 239 questions
- Primary 337 questions
- Primary 459 questions
- Primary 538 questions
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