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Two-digit addition with regrouping

Practice carrying from ones to tens with two-digit addition worksheets. Includes printable answers, a worked example and custom practice. Use the reviewed worksheet as-is, or customize a fresh set below.

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Worksheet · LetterWorksheet · A4
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Every problem requires a carry from the ones place. Some sums cross 100 and produce a three-digit answer.

12 problems · 1 student page · optional separate answer page

US Letter

Student worksheetWorksheet with answers

A4

Student worksheetWorksheet with answers
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Learning objective

What this practice builds

Add two-digit numbers when the ones make 10 or more by regrouping 10 ones as 1 ten.

47 + 38=85

Worked example

Show the thinking, not only the answer

The ones total 15, so regroup 10 ones as 1 new ten.

  1. Add ones7 + 8 = 15. Write 5 ones and regroup 10 ones as 1 ten.
  2. Add tensAdd 4 tens + 3 tens + the regrouped ten = 8 tens.
  3. Check47 is about 50 and 38 is about 40, so 85 is a reasonable sum near 90.

Teaching support

Common mistakes and useful responses

Dropping the regrouped ten

Circle or lightly mark the new ten above the tens column, then include it when adding the tens.

Writing 15 in the ones place

Ask how many ones can stay in one place. Keep 5 ones and exchange the other 10 ones for 1 ten.

Suggested sequence

Use the worksheet with purpose

  1. 1

    Exchange physically

    Trade 10 one-units for a ten rod before using the written method.

  2. 2

    Record each place

    Connect the exchange to the small regrouped 1 above the tens column.

  3. 3

    Include larger sums

    Show that two two-digit addends can total three digits, such as 68 + 57 = 125.

Teaching guide

Plan the lesson around this skill

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Two-digit addition

Grade 2
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12 problems · US Letter
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Name: Score: / 12Teacher: Date:

Two-digit addition

Add each pair. Regroup the ones when you need to. 1 mark each.

  1. 1.
    68+  25
  2. 2.
    86+  39
  3. 3.
    97+  68
  4. 4.
    49+  15
  5. 5.
    64+  37
  6. 6.
    37+  37
  7. 7.
    49+  19
  8. 8.
    17+  65
  9. 9.
    45+  37
  10. 10.
    38+  27
  11. 11.
    26+  16
  12. 12.
    43+  58
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Preview of the Two-digit addition without regrouping printable worksheet

Place value

Two-digit addition without regrouping

Add tens and ones without carrying. Download two-digit addition worksheets and answer keys in Letter or A4, or customize a set.

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