Grade 3 · Math · Challenge
Free Missing Factors worksheet - version 14
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-174J8W2-7PG0
1.
158 x __ = 316
2.
428 x __ = 1284
3.
61 x __ = 244
4.
208 x __ = 1664
5.
313 x __ = 1878
6.
90 x __ = 450
7.
60 x __ = 540
8.
486 x __ = 5346
9.
330 x __ = 2970
10.
54 x __ = 162
11.
493 x __ = 2465
12.
335 x __ = 2680
13.
146 x __ = 1022
14.
111 x __ = 1221
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 14
- 158 x __ = 3162
- 428 x __ = 12843
- 61 x __ = 2444
- 208 x __ = 16648
- 313 x __ = 18786
- 90 x __ = 4505
- 60 x __ = 5409
- 486 x __ = 534611
- 330 x __ = 29709
- 54 x __ = 1623
- 493 x __ = 24655
- 335 x __ = 26808
- 146 x __ = 10227
- 111 x __ = 122111
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.