PencilGoPencilGo

Missing Factors

Grade 3 · Building confidence · 14 questions · Version PG-1X846V2-NLI8

Four children and a teacher collaborate with blocks, patterns, and a notebook.
1.

96 x __ = 768

2.

100 x __ = 900

3.

13 x __ = 156

4.

89 x __ = 356

5.

46 x __ = 92

6.

22 x __ = 132

7.

51 x __ = 153

8.

17 x __ = 51

9.

50 x __ = 100

10.

69 x __ = 483

11.

69 x __ = 345

12.

123 x __ = 1476

13.

102 x __ = 918

14.

103 x __ = 927

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 16
  1. 96 x __ = 7688
  2. 100 x __ = 9009
  3. 13 x __ = 15612
  4. 89 x __ = 3564
  5. 46 x __ = 922
  6. 22 x __ = 1326
  7. 51 x __ = 1533
  8. 17 x __ = 513
  9. 50 x __ = 1002
  10. 69 x __ = 4837
  11. 69 x __ = 3455
  12. 123 x __ = 147612
  13. 102 x __ = 9189
  14. 103 x __ = 9279

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.