1st Grade · Missing Numbers
1st Grade Missing Numbers Worksheets
Free, printer-friendly 1st grade missing numbers worksheets you can generate and download in seconds — no signup, no clutter. Fill in the blank to complete the equation. Builds algebraic thinking.
Sample problems
easy level- 1.___ - 2 = 7
- 2.9 + ___ = 14
- 3.___ - 1 = 2
- 4.12 + ___ = 16
- 5.___ - 2 = 1
- 6.7 - ___ = 1
- 7.6 + ___ = 16
- 8.___ - 3 = 9
Every worksheet is generated with validated, duplicate-free problems and laid out to fit cleanly on US Letter paper. Choose your own difficulty, problem count, and answer key on the builder.