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Missing Factors

Grade 3 · Stretch challenge · 14 questions · Version PG-1E4PZ0P-7PG0

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1.52 x __ = 156
2.35 x __ = 70
3.103 x __ = 1236
4.304 x __ = 1824
5.466 x __ = 4194
6.264 x __ = 2904
7.463 x __ = 1389
8.136 x __ = 680
9.285 x __ = 3135
10.21 x __ = 168
11.163 x __ = 489
12.284 x __ = 852
13.172 x __ = 688
14.18 x __ = 108

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 4
  1. 52 x __ = 1563
  2. 35 x __ = 702
  3. 103 x __ = 123612
  4. 304 x __ = 18246
  5. 466 x __ = 41949
  6. 264 x __ = 290411
  7. 463 x __ = 13893
  8. 136 x __ = 6805
  9. 285 x __ = 313511
  10. 21 x __ = 1688
  11. 163 x __ = 4893
  12. 284 x __ = 8523
  13. 172 x __ = 6884
  14. 18 x __ = 1086

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.