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Adding Two-Digit Numbers (Set 2) Worksheet
Grade 1 Math · printable worksheet (PDF) with answer key · 14 problems · CCSS 1.NBT.C.4
A printable grade 1 adding two-digit numbers (set 2) practice worksheet with 14 problems and a complete, step-by-step answer key — formatted to print cleanly on standard paper. Included in the one-time $20 unlock for the full NudgeLearn library.
Sample problems
Add the ones first, then the tens. Sometimes the ones make a new ten, so remember to count it.
- 1. What is ?
- 2. What is ?
- 3. What is ?
- 4. What is ?
Plus 10 more problems and a full answer key in the PDF.
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