4 hundreds < 7.
PRIMARY 2 · MATHEMATICS
Whole Numbers
Top 5 mistakes
Ranked by how often they appear across 39 MOE-aligned practice questions in our archive.
4 hundreds > 3.
Saw 638 starts with 6 and assumed it was the largest, not comparing the tens digits 3 vs 8.
Picked 386 because 8 is the largest digit in the number, confusing digit value with number value.
Noticed all three numbers contain the digits 3, 6, 8 and assumed the numbers must be equal.
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