Farid is buying a laptop that costs $6,725. He estimates the cost to the nearest hundred. Which amount should he write?
- $6,700
- $6,800
- $6,725
- $7,000
Need a hint?
Check the tens digit before deciding whether to increase the hundreds digit.
Worked answer
- The tens digit of 6,725 is 2.
- Since 2 is less than 5, leave the hundreds digit unchanged.
- Therefore, $6,725 rounded to the nearest hundred is $6,700.
Answer: $6,700
The mistake this question tests
Habit
Calculation slip
Some pupils may always round upwards and write $6,800. Round upwards only when the tens digit is 5 or more.
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