Worksheet: Adding Hundreds to Three-Digit Numbers

In this worksheet, we will practice modeling adding a multiple of one hundred to a three-digit number and investigate which digits in the number change.

Q1:

Find the total by first adding the hundreds.

Q2:

Find the total by first adding the hundreds.

Q3:

Count in hundreds to find the total.

Q4:

Look at how Emma broke apart a number to help her add.

First, add the hundreds.

3 0 0 + 4 0 0 = .

Then, add the hundreds to 19 to find the total.

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