Standard Mathematics Primary 1 Whole Numbers

Which number is the greatest? 14, 21, 18, 9

A 14
B 21
C 18
D 9
Show Worked Solution

Worked Solution

Step 1: Compare the tens digit of each number. 21 has the most tens (2 tens). Step 2: 21 is greater than 14, 18, and 9. Step 3: The greatest number is 21. Answer: 21

Correct answer: 21

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