This page makes free printable 2 digit addition without regrouping worksheets on demand: press the button and you get a new sheet of 20 problems with a matching answer key, ready for US Letter or A4 paper. You will see items like 41 + 28 and 86 + 12 on the printed page, with 69 and 98 waiting on the answer key so nobody has to redo the arithmetic.
‘New set of problems’ opens the generator in its own tab. There you can change the problem count and turn the answer key on or off. ‘Print or save as PDF’ opens the print dialog — choose Save as PDF in the printer list to keep the file. The sheet fits US Letter and A4, and the answer key prints on its own page.
Addition is the first place a child meets the idea of a carried digit, and it is the skill every later algorithm leans on. A sheet like 41 + 28 looks small, but the habit it builds — line up the places, work right to left, record the carry — is the same habit that survives into multi-digit multiplication.
Because the addends are regenerated every time, a child cannot learn the sheet instead of the skill. Yesterday's page may have asked for 81 + 13; today's asks something else in the same shape.
What separates a confident adder from a slow one is rarely the method; it is whether the number bonds underneath are automatic. Watch how long the child hesitates before writing the first digit of 98.
Written addition is worth practising in columns — which is what these 2 digit addition without regrouping worksheets ask for — even when a child working at this level can do it mentally, because the column layout is what makes four-digit work manageable later. A problem such as 87 + 12 is small enough to do mentally and worth writing out anyway.
Teachers usually place 2 digit addition without regrouping worksheets alongside the addition strand of most US state standards for this grade, which is where the skill sits in the majority of US state frameworks.
| # | Problem | Answer | What to check |
|---|---|---|---|
| 1 | 41 + 28 = | 69 | Watch for: adding right to left, then reading left to right |
| 2 | 86 + 12 = | 98 | Check: forgetting the carried digit |
| 3 | 81 + 13 = | 94 | Look at: counting on from the wrong number |
| 4 | 87 + 12 = | 99 | Ask about: treating a longer number as a bigger one |
| 5 | 84 + 14 = | 98 | Watch for: guessing on the near-tens |
| 6 | 44 + 25 = | 69 | Check: losing the place columns |
Work 87 + 12 out loud as a demonstration. It gives 99. Children who hear 87 + 12 reasoned through once at the start of a session make noticeably fewer errors in the ten minutes that follow.
Take the first problem on the sheet as it stands, 41 + 28. Work 41 + 28 out on paper rather than in your head the first few times, say each step aloud, and check the result against 69 on the key before moving on.
Keys are produced by the same code that produces the questions, so a mismatch between question and answer is not possible on these sheets.
Because the numbers are random, there is no shared answer list to look up: the key printed behind your sheet is the only one that fits it, and it shows 69 for 41 + 28.
For a class set, print one sheet, press the new-worksheet button and print again. Each child gets different numbers on the same skill, so nobody can copy the answer to 41 + 28 from a neighbour.
Printing works the same on US Letter and A4, because the layout uses relative widths rather than fixed inches. Set margins to default and scaling to 100%, and all 20 problems fit.
One sheet of 2 digit addition without regrouping worksheets a day for two weeks will tell you more about where a child working at this level actually stands than any single long assessment.
Free printable math worksheets from a working math academy director in Korea. Problems come from our own code, not from a published workbook. Every sheet prints on US Letter or A4 with its answer key. All worksheets · Worksheet generator · Korean site
Last updated: 2026-09-13