Grade 3 · Math · Building Confidence
Free Missing Factors worksheet - version 12
Find the unknown factor in multiplication equations. This printable version includes 14 grade-appropriate questions and a separate answer sheet.
Missing Factors
Grade 3 · Building confidence · 14 questions · Version PG-1YC2LMY-NLI8
1.
55 x __ = 330
2.
66 x __ = 594
3.
39 x __ = 468
4.
105 x __ = 945
5.
68 x __ = 748
6.
85 x __ = 680
7.
42 x __ = 168
8.
120 x __ = 600
9.
121 x __ = 1331
10.
38 x __ = 342
11.
73 x __ = 146
12.
11 x __ = 66
13.
71 x __ = 213
14.
29 x __ = 87
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 12
- 55 x __ = 3306
- 66 x __ = 5949
- 39 x __ = 46812
- 105 x __ = 9459
- 68 x __ = 74811
- 85 x __ = 6808
- 42 x __ = 1684
- 120 x __ = 6005
- 121 x __ = 133111
- 38 x __ = 3429
- 73 x __ = 1462
- 11 x __ = 666
- 71 x __ = 2133
- 29 x __ = 873
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.