

Grade 3 · Math · Challenge
Free Missing Factors worksheet - version 11
Find the unknown factor in multiplication equations. This printable version includes 14 grade-appropriate questions and a separate answer sheet.
Missing Factors
Grade 3 · Stretch challenge · 14 questions · Version PG-16AKFT5-7PG0
1.
370 x __ = 4440
2.
397 x __ = 1588
3.
310 x __ = 1240
4.
64 x __ = 448
5.
376 x __ = 2256
6.
73 x __ = 219
7.
387 x __ = 4257
8.
344 x __ = 4128
9.
469 x __ = 1876
10.
162 x __ = 1296
11.
58 x __ = 406
12.
150 x __ = 600
13.
69 x __ = 345
14.
172 x __ = 1376
Answers and teaching notes
Use the answers to check the work after the learner finishes. For writing prompts, the guide describes what a strong response should include.
Show answers for version 11
- 370 x __ = 444012
- 397 x __ = 15884
- 310 x __ = 12404
- 64 x __ = 4487
- 376 x __ = 22566
- 73 x __ = 2193
- 387 x __ = 425711
- 344 x __ = 412812
- 469 x __ = 18764
- 162 x __ = 12968
- 58 x __ = 4067
- 150 x __ = 6004
- 69 x __ = 3455
- 172 x __ = 13768
Worked example
7 x __ = 42. Since 42 / 7 = 6, the missing factor is 6.
Common mistake
Multiplying the known factor and product together.
Helpful hint
Use the related division fact.