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: 73=.

Add the leftover ones to 230 to find 2374.

Q3:

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

Subtract the ones.

53=.

Add the leftover ones to 460 to find 4653.

Q4:

Find the difference by first subtracting ones.

Q5:

Count in ones to subtract.

Q6:

Which number is 5 less than 508?

Q7:

A farm contains 354 animals. The owner of the farm sells 3. How many animals are left?

Q8:

Calculate 9474.

Q9:

A father has $138. He buys his son a gift that costs $7. How much money does the father have left?

Q10:

Calculate the following: 8095

Q11:

Jennifer buys a notebook that has 109 pages. She completes her assignment in 7 pages. How many blank pages are left in the notebook?

  • A116 pages
  • B101 pages
  • C102 pages
  • D103 pages

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