Lesson Worksheet: Subtracting Ones from Two-Digit Numbers without Regrouping Mathematics • 1st Grade

In this worksheet, we will practice subtracting a one-digit number from a two-digit number without crossing a ten and model this with place value equipment.


Use place value to subtract numbers.

Pick the correct way to break apart 47 into tens and ones.

  • A
  • B

Subtract 5 from 47 by taking away 5 ones.




Take away 3 from 66.


The abacus shows 34.

Find 344 by taking away ones.


Find 652.

Hint: Which place value blocks do you need to take away?


Look at how Noah solved a subtraction question.

Which question was he working on?

  • A886
  • B865
  • C866
  • D885

What is the answer?


Subtract ones to find 375.


Matthew and David tried to solve 482.

Who has the right answer?

  • AMatthew
  • BDavid

What is the answer?


Mason is subtracting 2 from 76. He draws the following model to show 76 as 7 tens and 6 ones.

Find the answer to 762 by subtracting 2 ones.

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