- 1. Estimate the sum. 3/7 + 2/3
A) 3
B) 1
C) 2
D) 0
- 2. Estimate the sum. 2 1/2 + 3 5/7
A) 5
B) 6
C) 8
D) 7
- 3. Estimate the difference. 12 3/8 - 10 2/5
A) 0
B) 3
C) 1
D) 2
- 4. Estimate the difference. 6/7 - 1/3
A) 0
B) 2
C) 3
D) 1
- 5. Estimate the sum. 5 11/15 + 7 2/9
A) 14
B) 11
C) 13
D) 12
- 6. Estimate the sum. 6 15/21 + 9 11/30
A) 16
B) 15
C) 17
D) 18
- 7. Estimate the sum. 22 6/7 + 19 18/21
A) 44
B) 42
C) 43
D) 41
- 8. Estimate the difference. 16 5/8 - 11 1/2
A) 6
B) 5
C) 3
D) 4
- 9. Estimate the difference. 8 5/11 - 7 14/23
A) 1
B) 3
C) 0
D) 2
- 10. Estimate the difference. 7 6/18 - 4 11/20
A) 0
B) 2
C) 1
D) 3
- 11. Estimate the sum. 14 7/18 + 9 2/5
A) 22
B) 24
C) 25
D) 23
- 12. Estimate the sum. 5 4/11 + 4 6/11
A) 11
B) 12
C) 10
D) 9
- 13. Estimate the difference. 12 23/35 - 10 15/22
A) 0
B) 3
C) 1
D) 2
- 14. Estimate the difference. 23 11/19 - 10 1/2
A) 11
B) 12
C) 14
D) 13
- 15. Estimate the difference. 3 1/3 - 5/9
A) 2
B) 3
C) 0
D) 1
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