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Missing Factors

Grade 3 · Stretch challenge · 14 questions · Version PG-160KU46-7PG0

1.

249 x __ = 1743

2.

429 x __ = 2145

3.

60 x __ = 660

4.

203 x __ = 1218

5.

308 x __ = 3080

6.

47 x __ = 188

7.

157 x __ = 1256

8.

27 x __ = 54

9.

117 x __ = 1404

10.

438 x __ = 4380

11.

102 x __ = 1122

12.

36 x __ = 252

13.

28 x __ = 168

14.

201 x __ = 2211

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 10
  1. 249 x __ = 17437
  2. 429 x __ = 21455
  3. 60 x __ = 66011
  4. 203 x __ = 12186
  5. 308 x __ = 308010
  6. 47 x __ = 1884
  7. 157 x __ = 12568
  8. 27 x __ = 542
  9. 117 x __ = 140412
  10. 438 x __ = 438010
  11. 102 x __ = 112211
  12. 36 x __ = 2527
  13. 28 x __ = 1686
  14. 201 x __ = 221111

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.