Addition · US · Grades 1–3

Mixed Addition and Subtraction Worksheets (2-Digit)

Thirty two-digit problems alternating between addition and subtraction, with and without regrouping, in column format. Mixed sheets stop children from adding on autopilot: the sign has to be read first. The answer key is on page 2.

Problems
30 · 2-Digit Addition and Subtraction
Regrouping
some regroup
Answer key
Included, same positions
Paper size
US Letter (A4 available)

Worksheet settings

Operation
Number size

The bottom number never has more digits than the top one.

Regrouping (carrying / borrowing)
Problems per page
Layout
Versions
Paper

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2-Digit Addition and Subtraction30 problems · with and without regroupingName:Date:Score: ______ / 30printmathsheets.com · free printable, with answer key · seed 212121Page 1 of 21.6250+2.4510–3.3680+4.5927–5.3265+6.9311–7.8412+8.9764–9.3732+10.5022–11.9427+12.8850–13.2132+14.6038–15.2270+16.7717–17.2722+18.5654–19.9380+20.9662–21.3015+22.5034–23.5218+24.5134–25.8283+26.8049–27.2682+28.5352–29.4620+30.7667–

Page 1 of 2 · US Letter · 0.5″ margins. The PDF prints at exactly this layout.

About this worksheet

Use it as a weekly review once both operations have been taught separately. Change Number size to 3 digits for grade 3, or set Regrouping to "None" for a confidence-building sheet.

Standards

  • Common Core 2.NBT.B.5 — fluently add and subtract within 100
  • Common Core 3.NBT.A.2 — fluently add and subtract within 1000

Questions

Are the operations in a pattern?

They alternate: odd-numbered problems add, even-numbered subtract. The numbers are shuffled, so the sheet still has to be read problem by problem.