Let's evaluate each expression step by step using the given values.
---
1. $ 7 - b $, where $ b = 6 $
$$
7 - 6 = 1
$$
✔ Answer: 1
---
2. $ x + 7 $, where $ x = 7 $
$$
7 + 7 = 14
$$
✔ Answer: 14
---
3. $ 2b $, where $ b = 2 $
$$
2 \times 2 = 4
$$
✔ Answer: 4
---
4. $ y - y $, where $ y = 6 $
$$
6 - 6 = 0
$$
✔ Answer: 0
---
5. $ 5b $, where $ b = 5 $
$$
5 \times 5 = 25
$$
✔ Answer: 25
---
6. $ 7 \div b $, where $ b = 4 $
$$
7 \div 4 = 1.75 \quad \text{or} \quad \frac{7}{4}
$$
✔ Answer: 1.75 or $ \frac{7}{4} $
---
7. $ 1 + v $, where $ v = 10 $
$$
1 + 10 = 11
$$
✔ Answer: 11
---
8. $ y + 6 $, where $ y = 8 $
$$
8 + 6 = 14
$$
✔ Answer: 14
---
9. $ u \div 10 $, where $ u = 1 $
$$
1 \div 10 = 0.1
$$
✔ Answer: 0.1
---
10. $ 2u $, where $ u = 10 $
$$
2 \times 10 = 20
$$
✔ Answer: 20
---
11. $ x - 8 $, where $ x = 10 $
$$
10 - 8 = 2
$$
✔ Answer: 2
---
12. $ 5 + x $, where $ x = 8 $
$$
5 + 8 = 13
$$
✔ Answer: 13
---
13. $ z \cdot z $, where $ z = 3 $
$$
3 \times 3 = 9
$$
✔ Answer: 9
---
14. $ z - z $, where $ z = 5 $
$$
5 - 5 = 0
$$
✔ Answer: 0
---
15. $ c - c $, where $ c = 4 $
$$
4 - 4 = 0
$$
✔ Answer: 0
---
✔ Final Answers:
| Problem | Answer |
|--------|--------|
| 1 | 1 |
| 2 | 14 |
| 3 | 4 |
| 4 | 0 |
| 5 | 25 |
| 6 | 1.75 or $ \frac{7}{4} $ |
| 7 | 11 |
| 8 | 14 |
| 9 | 0.1 |
| 10 | 20 |
| 11 | 2 |
| 12 | 13 |
| 13 | 9 |
| 14 | 0 |
| 15 | 0 |
Let me know if you'd like this in a printable format or need explanations for any specific problem!
Parent Tip: Review the logic above to help your child master the concept of 7th grade algebraic expressions worksheet.