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Missing Factors

Grade 3 · Stretch challenge · 14 questions · Version PG-15GLMQ8-7PG0

1.

461 x __ = 1383

2.

121 x __ = 605

3.

182 x __ = 546

4.

411 x __ = 2055

5.

403 x __ = 2821

6.

177 x __ = 1947

7.

195 x __ = 1170

8.

177 x __ = 354

9.

173 x __ = 1038

10.

299 x __ = 1794

11.

11 x __ = 121

12.

379 x __ = 4169

13.

352 x __ = 4224

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 12
  1. 461 x __ = 13833
  2. 121 x __ = 6055
  3. 182 x __ = 5463
  4. 411 x __ = 20555
  5. 403 x __ = 28217
  6. 177 x __ = 194711
  7. 195 x __ = 11706
  8. 177 x __ = 3542
  9. 173 x __ = 10386
  10. 299 x __ = 17946
  11. 11 x __ = 12111
  12. 379 x __ = 416911
  13. 352 x __ = 422412
  14. 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.