These 2nd grade addition worksheets are generated rather than scanned, which means you can print a different sheet every day of the week without paying for a subscription or running out of practice. The version loaded below opens with items in the shape of 45 + 46 and 57 + 42; the key lists 91 and 99 next to their question numbers.
‘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.
Written addition is worth practising in columns — which is what these 2nd grade addition worksheets ask for — even when a 2nd grader can do it mentally, because the column layout is what makes four-digit work manageable later. A problem such as 60 + 12 is small enough to do mentally and worth writing out anyway.
Because the addends are regenerated every time, a child cannot learn the sheet instead of the skill. Yesterday's page may have asked for 63 + 14; today's asks something else in the same shape.
The problems here use two-digit numbers, 11 to 99, which keeps the arithmetic honest without turning the page into a copying exercise. 45 + 46 and 57 + 42 are typical of the range.
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 99.
Work of this kind is commonly aligned with the addition strand of most US state standards for this grade; schools outside the US meet the same skill at roughly the same age, which is why these 2nd grade addition worksheets travel well.
| # | Problem | Answer | What to check |
|---|---|---|---|
| 1 | 45 + 46 = | 91 | Watch for: guessing on the near-tens |
| 2 | 57 + 42 = | 99 | Check: adding right to left, then reading left to right |
| 3 | 63 + 14 = | 77 | Look at: forgetting the carried digit |
| 4 | 60 + 12 = | 72 | Ask about: counting on from the wrong number |
| 5 | 19 + 54 = | 73 | Watch for: treating a longer number as a bigger one |
| 6 | 40 + 56 = | 96 | Check: losing the place columns |
A good first problem to do together is 45 + 46, which comes out at 91. Do 45 + 46 once with the child narrating, then hand over the pencil and start the clock on the other 20 problems.
Try 63 + 14 together before letting the child start alone. The answer to 63 + 14 is 77, and talking through how it was reached takes about a minute and saves several minutes of guessing later in the sheet.
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 91 for 45 + 46.
The answer key is generated with the worksheet, not written by hand, so it always matches the sheet in front of you — 45 + 46 is listed as 91, 57 + 42 as 99, and so on down the page.
If the problems look cramped, drop the count from 20 to a smaller number before printing these 2nd grade addition worksheets; the font stays the same size and the spacing opens up.
The sheet is laid out to fit one page on both US Letter and A4. Leave the browser scaling at 100% and turn headers and footers off, and the 20 problems land inside the margins on either paper size.
One sheet of 2nd grade addition worksheets a day for two weeks will tell you more about where a 2nd grader actually stands than any single long assessment.
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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