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Whole numbersMCQ · 1 mark

Round 456 789 to the nearest ten thousand.

  1. 450 000
  2. 456 000
  3. 460 000
  4. 500 000
Need a hint?

To round to the nearest ten thousand, focus on the ten thousands digit and the digit to its right. If the digit to the right is 5 or more, round up the ten thousands digit.

Worked answer

  1. Identify the ten thousands digit in 456 789, which is 5.
  2. Look at the digit immediately to its right (the thousands digit), which is 6.
  3. Since 6 is 5 or more, round up the ten thousands digit from 5 to 6.
  4. All digits to the right of the ten thousands place become zero.
  5. The rounded number is 460 000.
Answer: 460 000

The mistake this question tests

Habit

Factors and multiples (HCF, LCM)

A common mistake is to round to the nearest thousand instead of ten thousand, or to incorrectly identify the place value for rounding.

How to fix it at home →

Wrong answers children often give:

  • 450 000 Calculation slip
  • 456 000 Calculation slip
  • 500 000 Calculation slip

More PSLE whole numbers questions

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