Problem Analysis:
The image shows a worksheet titled "More Mixed Minute Math," which contains a series of basic arithmetic problems. The task is to solve these problems and identify any mistakes made in the provided answers.
Step-by-Step Solution:
####
Row 1:
1. \( 64 \div 8 = 8 \)
- Correct: \( 64 \div 8 = 8 \)
2. \( 2 \times 1 = 2 \)
- Correct: \( 2 \times 1 = 2 \)
3. \( 6 + 8 = 14 \)
- Correct: \( 6 + 8 = 14 \)
4. \( 16 \div 8 = 2 \)
- Correct: \( 16 \div 8 = 2 \)
####
Row 2:
5. \( 16 \div 2 = 74 \)
- Incorrect: \( 16 \div 2 = 8 \)
6. \( 20 \div 4 = 5 \)
- Correct: \( 20 \div 4 = 5 \)
7. \( 18 \div 2 = 9 \)
- Correct: \( 18 \div 2 = 9 \)
8. \( 3 \times 4 = 12 \)
- Correct: \( 3 \times 4 = 12 \)
####
Row 3:
9. \( 1 + 8 = 8 \)
- Incorrect: \( 1 + 8 = 9 \)
10. \( 3 + 6 = 9 \)
- Correct: \( 3 + 6 = 9 \)
11. \( 4 + 9 = 13 \)
- Correct: \( 4 + 9 = 13 \)
12. \( 2 \times 1 = 2 \)
- Correct: \( 2 \times 1 = 2 \)
####
Row 4:
13. \( 63 \div 7 = \)
- Incorrect: \( 63 \div 7 = 9 \)
14. \( 9 - 7 = 2 \)
- Correct: \( 9 - 7 = 2 \)
15. \( 18 \div 6 = 2 \)
- Correct: \( 18 \div 6 = 2 \)
16. \( 3 + 4 = 7 \)
- Correct: \( 3 + 4 = 7 \)
####
Row 5:
17. \( 6 + 7 = 13 \)
- Correct: \( 6 + 7 = 13 \)
18. \( 7 \div 1 = 7 \)
- Correct: \( 7 \div 1 = 7 \)
19. \( 7 - 7 = 1 \)
- Incorrect: \( 7 - 7 = 0 \)
20. \( 7 - 3 = 4 \)
- Correct: \( 7 - 3 = 4 \)
####
Row 6:
21. \( 4 - 3 = 1 \)
- Correct: \( 4 - 3 = 1 \)
22. \( 1 \times 3 = 3 \)
- Correct: \( 1 \times 3 = 3 \)
23. \( 6 \times 1 = 6 \)
- Correct: \( 6 \times 1 = 6 \)
24. \( 5 + 3 = 8 \)
- Correct: \( 5 + 3 = 8 \)
####
Row 7:
25. \( 8 \times 3 = 24 \)
- Correct: \( 8 \times 3 = 24 \)
26. \( 40 \div 5 = 8 \)
- Correct: \( 40 \div 5 = 8 \)
27. \( 2 + 4 = 6 \)
- Correct: \( 2 + 4 = 6 \)
28. \( 8 \times 5 = 40 \)
- Correct: \( 8 \times 5 = 40 \)
####
Row 8:
29. \( 7 + 5 = 13 \)
- Correct: \( 7 + 5 = 13 \)
30. \( 7 \times 1 = 7 \)
- Correct: \( 7 \times 1 = 7 \)
31. \( 3 - 1 = \)
- Incorrect: \( 3 - 1 = 2 \)
32. \( 3 - 2 = 1 \)
- Correct: \( 3 - 2 = 1 \)
Mistakes Identified:
1. \( 16 \div 2 = 74 \) (Correct: 8)
2. \( 1 + 8 = 8 \) (Correct: 9)
3. \( 63 \div 7 = \) (Correct: 9)
4. \( 7 - 7 = 1 \) (Correct: 0)
5. \( 3 - 1 = \) (Correct: 2)
Final Answer:
The incorrect answers are highlighted, and the correct solutions are provided above. The mistakes are:
- \( 16 \div 2 = 8 \)
- \( 1 + 8 = 9 \)
- \( 63 \div 7 = 9 \)
- \( 7 - 7 = 0 \)
- \( 3 - 1 = 2 \)
\(\boxed{\text{See corrections above}}\)
Parent Tip: Review the logic above to help your child master the concept of math printable.