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Missing Factors

Grade 3 · On-level practice · 14 questions · Version PG-1LFEVY6-81KQ

1.

165 x __ = 1815

2.

221 x __ = 2652

3.

172 x __ = 516

4.

18 x __ = 72

5.

225 x __ = 1350

6.

198 x __ = 990

7.

240 x __ = 1920

8.

33 x __ = 132

9.

97 x __ = 485

10.

193 x __ = 2316

11.

173 x __ = 346

12.

76 x __ = 760

13.

245 x __ = 490

14.

115 x __ = 345

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 5
  1. 165 x __ = 181511
  2. 221 x __ = 265212
  3. 172 x __ = 5163
  4. 18 x __ = 724
  5. 225 x __ = 13506
  6. 198 x __ = 9905
  7. 240 x __ = 19208
  8. 33 x __ = 1324
  9. 97 x __ = 4855
  10. 193 x __ = 231612
  11. 173 x __ = 3462
  12. 76 x __ = 76010
  13. 245 x __ = 4902
  14. 115 x __ = 3453

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.