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Missing Factors

Grade 3 · Stretch challenge · 14 questions · Version PG-16AKFT5-7PG0

1.

370 x __ = 4440

2.

397 x __ = 1588

3.

310 x __ = 1240

4.

64 x __ = 448

5.

376 x __ = 2256

6.

73 x __ = 219

7.

387 x __ = 4257

8.

344 x __ = 4128

9.

469 x __ = 1876

10.

162 x __ = 1296

11.

58 x __ = 406

12.

150 x __ = 600

13.

69 x __ = 345

14.

172 x __ = 1376

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 11
  1. 370 x __ = 444012
  2. 397 x __ = 15884
  3. 310 x __ = 12404
  4. 64 x __ = 4487
  5. 376 x __ = 22566
  6. 73 x __ = 2193
  7. 387 x __ = 425711
  8. 344 x __ = 412812
  9. 469 x __ = 18764
  10. 162 x __ = 12968
  11. 58 x __ = 4067
  12. 150 x __ = 6004
  13. 69 x __ = 3455
  14. 172 x __ = 13768

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.