Grade 3 · Math · Challenge
Free Missing Factors worksheet - version 20
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-DPM7V1-7PG0
1.
18 x __ = 90
2.
165 x __ = 1320
3.
433 x __ = 1299
4.
151 x __ = 302
5.
191 x __ = 1719
6.
491 x __ = 4419
7.
208 x __ = 832
8.
285 x __ = 1425
9.
147 x __ = 1176
10.
342 x __ = 4104
11.
263 x __ = 2893
12.
341 x __ = 2728
13.
366 x __ = 2562
14.
119 x __ = 1190
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 20
- 18 x __ = 905
- 165 x __ = 13208
- 433 x __ = 12993
- 151 x __ = 3022
- 191 x __ = 17199
- 491 x __ = 44199
- 208 x __ = 8324
- 285 x __ = 14255
- 147 x __ = 11768
- 342 x __ = 410412
- 263 x __ = 289311
- 341 x __ = 27288
- 366 x __ = 25627
- 119 x __ = 119010
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.