Grade 2 - Math

Grade 2 Two-Digit Addition Worksheet

6 printable versions - Building Confidence - About 7 minutes each

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Two-Digit Addition

Grade 2 - Math - Building Confidence

Worksheet 1

  1. Add the two-digit numbers: 35 + 29

  2. Which expanded-form sum matches 43 + 26?

  3. 48 + ____ = 78

    A math model showing the known values from the question and leaving the requested value to solve.A bar model. The top bar is the whole and the bars below it are the 2 parts. Empty boxes mark the values to be found.7848

  4. Does 42 + 19 need regrouping in the ones column?

  5. There are 33 books on one shelf and 20 books on another shelf. How many books are on both shelves?

    A math model showing the known values from the question and leaving the requested value to solve.A bar model. The top bar is the whole and the bars below it are the 2 parts. Empty boxes mark the values to be found.3320

  6. Add the two-digit numbers: 21 + 30

  7. Which expanded-form sum matches 14 + 15?

  8. 36 + ____ = 62

    A math model showing the known values from the question and leaving the requested value to solve.A bar model. The top bar is the whole and the bars below it are the 2 parts. Empty boxes mark the values to be found.6236

  9. Does 25 + 34 need regrouping in the ones column?

  10. There are 13 books on one shelf and 30 books on another shelf. How many books are on both shelves?

    A math model showing the known values from the question and leaving the requested value to solve.A bar model. The top bar is the whole and the bars below it are the 2 parts. Empty boxes mark the values to be found.1330
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About this worksheet

Two-digit addition is not just a larger version of basic facts. A child has to track tens and ones at the same time, and regrouping asks them to exchange ten ones for one ten without losing the value of the number. Many second graders add all the digits they see or forget that the tens column counts groups of ten. This worksheet gives repeated practice with two-digit addends, but the prompts rotate through equations, expanded form, missing addends, regrouping decisions, and word problems. That mix helps reveal whether a child understands the structure rather than memorizing one layout. Encourage your child to say the numbers as tens and ones before adding. Accurate language often prevents column mistakes during independent work.

What your child will learn

  • Add two two-digit numbers
  • Decide when regrouping is needed
  • Use expanded form to add tens and ones
  • Solve two-digit addition word problems

Worked example

For 46 + 38, add 40 + 30 to get 70 and 6 + 8 to get 14. Then 70 + 14 = 84.

Common mistake

Adding digits without their place value, such as treating four tens as four ones.

Helpful hint

Add tens with tens and ones with ones.

Addition Within 100Subtraction Within 100

Questions parents ask

What is the most common mistake with two-digit addition?
Adding digits without their place value, such as treating four tens as four ones.
How can I help my child with two-digit addition?
Add tens with tens and ones with ones.
Are these 2nd grade math worksheets free to print?
Yes. All 6 printable versions on this page are free to download and print, with no account needed.

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