Grade 3 · Math · Building Confidence
Free Missing Factors worksheet - version 10
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-1XS3E90-NLI8
1.
45 x __ = 180
2.
25 x __ = 300
3.
115 x __ = 1265
4.
40 x __ = 240
5.
94 x __ = 470
6.
96 x __ = 960
7.
58 x __ = 638
8.
113 x __ = 1130
9.
48 x __ = 528
10.
76 x __ = 380
11.
19 x __ = 38
12.
105 x __ = 420
13.
15 x __ = 75
14.
45 x __ = 135
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 10
- 45 x __ = 1804
- 25 x __ = 30012
- 115 x __ = 126511
- 40 x __ = 2406
- 94 x __ = 4705
- 96 x __ = 96010
- 58 x __ = 63811
- 113 x __ = 113010
- 48 x __ = 52811
- 76 x __ = 3805
- 19 x __ = 382
- 105 x __ = 4204
- 15 x __ = 755
- 45 x __ = 1353
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.