From $8

Missing Numbers Worksheet

Grade 1 Math · printable worksheet (PDF) with answer key · 14 problems · CCSS 1.OA.D.8

A printable grade 1 missing numbers 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

Find the number that makes each sentence true. For the true-or-false problems, write True or False.

1. Find the missing number: $3 + □ = 7$ .
2. Find the missing number: $□ + 5 = 9$ .
3. Find the missing number: $7 + □ = 10$ .
4. Find the missing number: $6 + □ = 11$ .

Plus 10 more problems and a full answer key in the PDF.

Unlock this worksheet

Get it with all of Grade 1 Math for a one-time $8, or unlock the entire library (over 400 worksheets + 55 final tests, every grade) for $20. Yours forever.

See the free Grade 1 samples →

Teaching this? Get it graded too.

Photograph the finished stack and NudgeLearn's grader marks every answer and explains each mistake on the page. For writing, it scores essays against 86 state and AP rubrics including STAAR, NJSLA and Florida BEST. Free for 20 graded items a month.