Let's solve each of the function machine problems step by step. The goal is to determine the rule (operation) that transforms the
Input into the
Output in each table.
---
1)
| Input | Output |
|-------|--------|
| 25 | 30 |
| 50 | 55 |
| 15 | 20 |
| 26 | 31 |
| 39 | 44 |
Check the difference:
- 30 - 25 = 5
- 55 - 50 = 5
- 20 - 15 = 5
- 31 - 26 = 5
- 44 - 39 = 5
✔ Rule: Add 5
Answer: B. add 5
---
2)
| Input | Output |
|-------|--------|
| 25 | 30 |
| 18 | 23 |
| 47 | 52 |
| 36 | 41 |
| 42 | 47 |
Differences:
- 30 - 25 = 5
- 23 - 18 = 5
- 52 - 47 = 5
- 41 - 36 = 5
- 47 - 42 = 5
✔ Rule: Add 5
Answer: C. add 5
---
3)
| Input | Output |
|-------|--------|
| 44 | 52 |
| 11 | 19 |
| 25 | 33 |
| 49 | 57 |
| 50 | 58 |
Differences:
- 52 - 44 = 8
- 19 - 11 = 8
- 33 - 25 = 8
- 57 - 49 = 8
- 58 - 50 = 8
✔ Rule: Add 8
Answer: B. add 8
---
4)
| Input | Output |
|-------|--------|
| 48 | 57 |
| 49 | 58 |
| 15 | 24 |
| 38 | 47 |
| 40 | 49 |
Differences:
- 57 - 48 = 9
- 58 - 49 = 9
- 24 - 15 = 9
- 47 - 38 = 9
- 49 - 40 = 9
✔ Rule: Add 9
Answer: B. add 9
---
5)
| Input | Output |
|-------|--------|
| 43 | 55 |
| 45 | 57 |
| 31 | 43 |
| 44 | 56 |
| 30 | 42 |
Differences:
- 55 - 43 = 12
- 57 - 45 = 12
- 43 - 31 = 12
- 56 - 44 = 12
- 42 - 30 = 12
✔ Rule: Add 12
Answer: B. add 12
---
6)
| Input | Output |
|-------|--------|
| 29 | 43 |
| 18 | 32 |
| 41 | 55 |
| 23 | 37 |
| 36 | 50 |
Differences:
- 43 - 29 = 14
- 32 - 18 = 14
- 55 - 41 = 14
- 37 - 23 = 14
- 50 - 36 = 14
✔ Rule: Add 14
Answer: D. add 14
---
7)
| Input | Output |
|-------|--------|
| 44 | 35 |
| 42 | 33 |
| 20 | 11 |
| 34 | 25 |
| 28 | 19 |
Differences:
- 35 - 44 = -9
- 33 - 42 = -9
- 11 - 20 = -9
- 25 - 34 = -9
- 19 - 28 = -9
✔ Rule: Subtract 9
Answer: A. subtract 9
---
8)
| Input | Output |
|-------|--------|
| 46 | 34 |
| 31 | 19 |
| 37 | 25 |
| 54 | 42 |
| 39 | 27 |
Differences:
- 34 - 46 = -12
- 19 - 31 = -12
- 25 - 37 = -12
- 42 - 54 = -12
- 27 - 39 = -12
✔ Rule: Subtract 12
Answer: A. subtract 12
---
9)
| Input | Output |
|-------|--------|
| 27 | 22 |
| 36 | 31 |
| 21 | 16 |
| 34 | 29 |
| 17 | 12 |
Differences:
- 22 - 27 = -5
- 31 - 36 = -5
- 16 - 21 = -5
- 29 - 34 = -5
- 12 - 17 = -5
✔ Rule: Subtract 5
Answer: D. subtract 5
---
✔ Final Answers:
1.
B. add 5
2.
C. add 5
3.
B. add 8
4.
B. add 9
5.
B. add 12
6.
D. add 14
7.
A. subtract 9
8.
A. subtract 12
9.
D. subtract 5
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You can now fill these in the "Answers" column on the right side of the worksheet. Let me know if you'd like a printable version or explanation for any specific one!
Parent Tip: Review the logic above to help your child master the concept of writing function rules worksheet.