Add Three 2-Digit Numbers in Columns Worksheets for 2nd Grade
Add three 2-digit numbers stacked in columns. 15 free printable worksheets, each with an answer key.
Save to PinterestFree Add Three 2-Digit Numbers in Columns Worksheets
Click a worksheet to open the PDF, or grab the matching answer key. Every sheet prints on one page.
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Add Three 2-Digit Numbers in Columns: what children learn
Adding three two-digit numbers works column by column. The ones often add to 20 or more, so more than one ten may be carried.
Add Three 2-Digit Numbers in Columns: worked example
23 + 45 + 18 = 86
3 + 5 + 8 = 16 ones: write 6 and carry 1 ten. 1 + 2 + 4 + 1 = 8 tens. So 23 + 45 + 18 = 86.
Add Three 2-Digit Numbers in Columns: a common mistake to watch for
Kids often forget to carry the ten, or carry the wrong number.
Add Three 2-Digit Numbers in Columns: how to help at home or in class
Write three-number problems on squared paper and let your child jot the ones total in the margin before filling in the answer. Encourage them to look for ones digits that pair up to 10 inside the column, which makes a long ones sum quicker to count. Afterward, check the answers together with a calculator. They are ready for four rows when they can say how many tens they carried and why, even when it is 2.
What is on these Add Three 2-Digit Numbers in Columns worksheets
This set has 15 different worksheets for 2nd grade, with 12 questions on each and a matching answer key for every sheet. The instruction printed on each worksheet is: “Add the numbers in columns and write the sum.”
Example questions like the ones on these worksheets, with their answers:
- 13 + 29 + 25 = 6767
- 31 + 42 + 58 = 131131
- 28 + 50 + 39 = 117117
- 28 + 61 + 66 = 155155
- 50 + 10 + 18 = 7878
- 42 + 46 + 30 = 118118
- 27 + 46 + 13 = 8686
- 54 + 21 + 10 = 8585
Every answer on every sheet is checked by a separate program before the worksheet is published. How we check answers