Column addition worksheets
Sums set out in columns, a digit to a square, with room for the carries.
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Example
Example: adding three two-digit numbers with carrying, for second grade
A second-grade teacher wants practice in adding three two-digit numbers. Settings: Addition, 2 digits, 3 numbers to add, carrying In every sum, 12 sums, squares on, answer page on, sheet number 1, US Letter.
- Each sum is set out a digit to a square, ones under ones and tens under tens, in three columns of four sums.
- In every sum at least one column reaches 10 or more: in 79 + 83 + 96 the ones make 18, so 8 is written and 1 carried, and the tens make 7 + 8 + 9 + 1 = 25.
- The second page repeats the sums with the answers and the carried digits filled in.
| Sum | Ones | Tens, with the carry | Answer |
|---|---|---|---|
| 79 + 83 + 96 | 18: write 8, carry 1 | 7 + 8 + 9 + 1 = 25 | 258 |
| 81 + 58 + 14 | 13: write 3, carry 1 | 8 + 5 + 1 + 1 = 15 | 153 |
| 60 + 47 + 86 | 13: write 3, carry 1 | 6 + 4 + 8 + 1 = 19 | 193 |
| 75 + 50 + 32 | 7: nothing to carry | 7 + 5 + 3 = 15 | 157 |
| 38 + 35 + 24 | 17: write 7, carry 1 | 3 + 3 + 2 + 1 = 9 | 97 |
| 71 + 83 + 53 | 7: nothing to carry | 7 + 8 + 5 = 20 | 207 |
column-addition.pdf, two pages: the 12 sums with Name and Date at the top, then the answers. Sums like 75 + 50 + 32 carry only from the tens into the hundreds, which is where children forget to write the 1.
How it works
- Choose how many digits and whether two or three numbers are added.
- Choose carrying in every sum, in none, or a mix.
- Choose how many sums go on the page, and keep the squares if the children line up digits badly.
- Download the PDF; the answers follow on the second page. Subtraction, multiplication and division are one click away.
Frequently asked questions
- What does “with regrouping” mean?
- A column adds up to 10 or more, so a 1 is carried to the next column. “None” picks only sums where no column reaches 10 — the first step — and “in every sum” makes every sum carry at least once.
- Why the squares?
- One digit to a square keeps the units under the units and the tens under the tens, which is where most column mistakes start. Turn them off for plain paper.
- Can I print a different sheet with the same settings?
- Change the sheet number. The sums come from that number and the settings, so the preview is exactly what you print.
- Where do the carried digits go?
- Each sum has a row of empty squares above the first number for them. On the answer page the carried digits are filled in there, small, with the answer under the line, so you can see where a child’s working went wrong.
- Which setting should a child start with?
- None (no regrouping): every column stays under 10, so the child learns to work from the ones column leftwards. Then Some with, some without, and In every sum once carrying is secure; more digits or a third number come after that.
- Is anything uploaded?
- No. The sheet is made in your browser. On the free plan a small line with our name is printed at the foot of the last page.