Worksheet: Subtracting Ones from Three-Digit Numbers

In this worksheet, we will practice using models to subtract a one-digit number from a three-digit number and investigate which digits in the number change.

Q1:

Find the difference by first subtracting ones.

Q2:

Look at how Daniel broke apart a number to help him subtract.

Subtract the ones: 7 3 = .

Add the leftover ones to 230 to find 2 3 7 4 .

Q3:

Look at how Amelia broke apart a number to help her subtract.

Subtract the ones.

5 3 = .

Add the leftover ones to 460 to find 4 6 5 3 .

Q4:

Find the difference by first subtracting ones.

Q5:

Count in ones to subtract.

Q6:

Which number is 5 less than 508?

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