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Addition and subtractionGrades 1–2

2-digit addition without regrouping worksheets

This page prints two-digit addition problems stacked in columns, built so that the ones never add to 10 or more and nothing carries. Change the digits, regrouping rule, layout or count, and print with an answer key.

  • Fresh problems every time
  • Answer key on its own page
  • Print or PDF, Letter or A4
  • Free, no sign-up

Set up your sheet

Settings
1 to 6
1 to 5
Regrouping (carrying and borrowing)
Layout
6 to 40
Paper
Paper size

Tip: press N for new problems. The link always brings this exact sheet back.

2-Digit Addition Without Regrouping2 pages, answer key from page 2 · US Letter

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NameDateScore2-Digit Addition Without RegroupingAdd. Start with the ones column.1.4620+2.5044+3.1454+4.4233+5.1552+6.2253+7.1484+8.5720+9.2620+10.6320+11.7810+12.2660+13.6019+14.3544+15.2170+16.3247+17.1188+18.2434+19.6026+20.1287+PrintablePal.com · free printables2-Digit Addition Without Regrouping
Worksheet, page 1
2-Digit Addition Without Regrouping: answer key1.4620+662.5044+943.1454+684.4233+755.1552+676.2253+757.1484+988.5720+779.2620+4610.6320+8311.7810+8812.2660+8613.6019+7914.3544+7915.2170+9116.3247+7917.1188+9918.2434+5819.6026+8620.1287+99PrintablePal.com · free printablesAnswer key
Answer key, page 1

On this page

Column addition, one column at a time

The first time a child adds 34 + 25 in a stack, there is a lot to learn: line up the digits, start on the right, and write each result under its own column. If carrying joins the party on day one, the lesson gets muddy. These problems remove that complication. In every problem here, the ones digits add to 9 or less and the tens digits do too, so the answer comes straight from adding each column separately.

That makes the sheet a good fit for grade 1 and early grade 2. Children who can add within 20 and know the tens and ones can begin here, and they should stay until column placement is automatic.

Using the settings

  • Operation. The preset is addition.
  • Digits in the first number / second number. Both are 2 on this page. Set the second to 1 for a ones digit added to a two-digit number, such as 43 + 5. Setting 1 and 2 gives the same sheet, because the generator puts the larger number on top.
  • Regrouping (carrying and borrowing). The preset is "No regrouping". Switch to "Mixed" when the child is ready for carrying and "Always regroup" to practice it exclusively. There is a separate page for that stage in the larger mixed-operation page.
  • Layout. Vertical (stacked) is the preset. Horizontal prints 46 + 21 = ___ across the page; it is a good test of whether the child can organize the columns themselves.
  • Number of problems. From 6 to 40. Twenty fits comfortably in four columns.
  • Include the answer key and choose US Letter or A4.

No-regrouping sums also avoid a hidden bump: the tens digit in the sum will always be written as a single digit, so the answer never grows to three digits.

Worked example: 43 + 25

Write 43 on top, 25 below it, with the 3 over the 5 and the 4 over the 2.

  1. Ones column. 3 + 5 = 8. Write 8 under the ones.
  2. Tens column. 4 tens + 2 tens = 6 tens, so write 6 under the tens.
  3. Read the answer: 68.
  4. Check by estimating: 40 + 20 = 60, and 3 + 5 = 8 more gives 68.

If the child likes materials, use base-ten rods and units: four rods and three units, join two more rods and five units, then count what you have.

Spotting errors on the key

  • Adding across the rows. A child who writes 4 + 3 + 2 + 5 = 14 has mixed up the columns. Ask them to say "ones plus ones" aloud.
  • Starting on the left. Without carrying the answer often still comes out right, which hides the habit. Practice right to left now, because it matters later.
  • Dropping a digit. Messy handwriting can shift the tens digit into the ones. Squared paper or a vertical line between columns helps.
  • Reversed digits in the answer. These are formation slips, not arithmetic errors.

When these are fluent, try 2-digit subtraction, starting with the no-borrowing option, or turn the regrouping setting to mixed.

Sources

  1. Common Core State Standards: Grade 1 Number and Operations in Base Ten (1.NBT.C.4, add within 100) thecorestandards.org
  2. Common Core State Standards: Grade 2 Number and Operations in Base Ten (2.NBT.B.5, fluently add and subtract within 100) thecorestandards.org