Standard Mathematics Primary 3 Whole Numbers

Ravi counts by 250s starting from 1 000: 1 000, 1 250, 1 500, 1 750, ___, 2 250. What is the missing number?

A 1 875
B 2 000
C 1 800
D 2 100
Show Worked Solution

Worked Solution

Step 1: Find the common difference. 1 250 - 1 000 = 250 1 500 - 1 250 = 250 1 750 - 1 500 = 250 Step 2: The pattern adds 250 each time. Step 3: 1 750 + 250 = 2 000. Verify: 2 000 + 250 = 2 250. Check! Answer: 2 000.

Correct answer: 2 000

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