Grade 3 · Math · On Level
Free Missing Factors worksheet - version 7
Find the unknown factor in multiplication equations. This printable version includes 14 grade-appropriate questions and a separate answer sheet.
Missing Factors
Grade 3 · On-level practice · 14 questions · Version PG-1KVFOK8-81KQ
1.
129 x __ = 1419
2.
51 x __ = 153
3.
225 x __ = 1125
4.
165 x __ = 1320
5.
248 x __ = 2480
6.
143 x __ = 572
7.
21 x __ = 63
8.
128 x __ = 640
9.
52 x __ = 416
10.
175 x __ = 700
11.
190 x __ = 1140
12.
158 x __ = 474
13.
75 x __ = 225
14.
64 x __ = 640
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 7
- 129 x __ = 141911
- 51 x __ = 1533
- 225 x __ = 11255
- 165 x __ = 13208
- 248 x __ = 248010
- 143 x __ = 5724
- 21 x __ = 633
- 128 x __ = 6405
- 52 x __ = 4168
- 175 x __ = 7004
- 190 x __ = 11406
- 158 x __ = 4743
- 75 x __ = 2253
- 64 x __ = 64010
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.