Function Machine Subtraction Easy — Set 8
Rule: x × 2. Find the missing output.
Show answer
Answer: 4
- Rule
- x × 2
- Table
- {"input":1,"output":2,"blank":false}
- {"input":4,"output":8,"blank":false}
- {"input":6,"output":12,"blank":false}
- {"input":2,"output":null,"blank":true}
Rule: x - 4. Find the missing output.
Show answer
Answer: 6
- Rule
- x - 4
- Table
- {"input":12,"output":8,"blank":false}
- {"input":12,"output":8,"blank":false}
- {"input":10,"output":null,"blank":true}
- {"input":5,"output":1,"blank":false}
- Visual
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Rule: x × 2. Find the missing output.
Show answer
Answer: 4
- Rule
- x × 2
- Table
- {"input":3,"output":6,"blank":false}
- {"input":9,"output":18,"blank":false}
- {"input":2,"output":null,"blank":true}
- {"input":3,"output":6,"blank":false}
Rule: x + 3. Find the missing output.
Show answer
Answer: 7
- Rule
- x + 3
- Table
- {"input":4,"output":7,"blank":false}
- {"input":4,"output":7,"blank":false}
- {"input":12,"output":15,"blank":false}
- {"input":4,"output":null,"blank":true}
Rule: x × 3. Find the missing output.
Show answer
Answer: 9
- Rule
- x × 3
- Table
- {"input":9,"output":27,"blank":false}
- {"input":3,"output":null,"blank":true}
- {"input":5,"output":15,"blank":false}
- {"input":1,"output":3,"blank":false}
Rule: x × 3. Find the missing output.
Show answer
Answer: 33
- Rule
- x × 3
- Table
- {"input":4,"output":12,"blank":false}
- {"input":1,"output":3,"blank":false}
- {"input":6,"output":18,"blank":false}
- {"input":11,"output":null,"blank":true}
Rule: x + 4. Find the missing output.
Show answer
Answer: 14
- Rule
- x + 4
- Table
- {"input":10,"output":null,"blank":true}
- {"input":3,"output":7,"blank":false}
- {"input":11,"output":15,"blank":false}
- {"input":3,"output":7,"blank":false}
Rule: x × 3. Find the missing output.
Show answer
Answer: 18
- Rule
- x × 3
- Table
- {"input":1,"output":3,"blank":false}
- {"input":11,"output":33,"blank":false}
- {"input":6,"output":null,"blank":true}
- {"input":9,"output":27,"blank":false}
Teaching Notes
Practice function machine subtraction with free printable worksheets. Uniquely generated — reinforce key math skills with every set.
Frequently Asked Questions
How do I use this Function Machine Subtraction Easy Worksheets worksheet?
Print the worksheet and complete the problems. Each set number generates a unique arrangement. Use the same set number for all students in a class for consistent assessment.
Is there an answer key?
Yes — every worksheet includes a complete answer key. Print it separately or view it on screen.