Place Value Math Example 4

Follow the full solution, then compare it with the other examples linked below.

Example 4

easy
What number is 100 more than 2,8972{,}897?

Solution

  1. 1
    Locate the hundreds digit in 2,8972{,}897: it is 88 (in the hundreds place).
  2. 2
    Add 1 to the hundreds digit: 8+1=98 + 1 = 9, giving 2,9972{,}997.

Answer

2,9972{,}997
Adding 100 to a number increases only the hundreds digit by 1, leaving all other digits unchanged — as long as no regrouping is needed. Place-value understanding makes this mental math instant.

About Place Value

The value a digit represents based on its position in a number; the same digit means different amounts in different places.

Learn more about Place Value →

More Place Value Examples

Example 1 easy

Write the number [formula] in expanded form.

Example 2 medium

In the number [formula], what is the value of the digit [formula]?

Example 3 medium

What is the value of the digit 7 in the number [formula]?

Example 5 medium

A number has 5 in the thousands place, 0 in the hundreds place, 3 in the tens place, and 8 in the on

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