Grade 3 Mathematics | Cumulative Review Teacher Answers

Grade 3 Mathematics: Chapters 2–7 Cumulative Review Answers

Keep this key separate until the learner finishes. Score the 20 numbered items for accuracy and review the four explanations and units separately. Accept equivalent valid reasoning. Use errors to select new reteaching examples; do not infer full-year mastery from this sample.

1. 1. 42 counters.
2. 2. 8 stickers each.
3. 3. 7.
4. 4. 26 pencils; 5 x 6 – 4 = 26.
5. 5. 1/8.
6. 6. 4/6.
7. 7. 2.
8. 8. 3/8 < 5/8; with equal-sized wholes, three eighths are fewer than five eighths.
9. 9. 34 minutes.
10. 10. 28 cm.
11. 11. 45 square centimeters.
12. 12. 7 units.
13. 13. 875 mL.
14. 14. 2,400 g.
15. 15. A square.
16. 16. No. A rectangle need not have four equal sides.
17. 17. 15 books.
18. 18. 24 votes.
19. 19. 4 votes.
20. 20. 2 1/2 inches.