Workbook Detail
Function Machine Subtraction Expert — Set 2
Rule: x + 4. Find the missing output.
Show answer
Answer: 16
- Rule
- x + 4
- Table
- {"input":12,"output":null,"blank":true}
- {"input":8,"output":12,"blank":false}
- {"input":12,"output":16,"blank":false}
- {"input":9,"output":13,"blank":false}
Rule: x ÷ 2. Find the missing output.
Show answer
Answer: 2
- Rule
- x ÷ 2
- Table
- {"input":14,"output":7,"blank":false}
- {"input":4,"output":null,"blank":true}
- {"input":10,"output":5,"blank":false}
- {"input":12,"output":6,"blank":false}
- Visual
- Type: inline-svgSvg: <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 44 44" width="44" height="44"><g transform="translate(4,4) scale(1)"><path fill="#DD2E44" d="M36 27c0 2.209-1.791 4-4 4H4c-2.209 0-4-1.791-4-4v-3c0-2.209 1.791-4 4-4h28c2.209 0 4 1.791 4 4v3z"/><path fill="#FFCC4D" d="M19 13l-.979-1H7.146C4 12 3 14 3 14l-3 5.959V25h19V13z"/><path fill="#55ACEE" d="M9 20H2l2-4s1-2 3-2h2v6z"/><circle fill="#292F33" cx="9" cy="31" r="4"/><circle fill="#CCD6DD" cx="9" cy="31" r="2"/><circle fill="#292F33" cx="27" cy="31" r="4"/><circle fill="#CCD6DD" cx="27" cy="31" r="2"/><path fill="#CCD6DD" d="M32 8H17c-2.209 0-4 1.791-4 4v13h23V12c0-2.209-1.791-4-4-4z"/></g></svg>AltText: truckPlacement: before-question
- VisualToken
- Type: asset-refEffectiveProvider: twemojiRequestedProvider: twemojiIconSize: 36Layout: icon-badgePlacement: before-questionItems: [{"ref":"twemoji:1f69a","name":"truck","count":1,"role":"badge"}]
Rule: x - 2. Find the missing output.
Show answer
Answer: 8
- Rule
- x - 2
- Table
- {"input":5,"output":3,"blank":false}
- {"input":1,"output":0,"blank":false}
- {"input":10,"output":null,"blank":true}
- {"input":10,"output":8,"blank":false}
- Visual
- Type: inline-svgSvg: <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 44 44" width="44" height="44"><g transform="translate(4,4) scale(1)"><path fill="#292F33" d="M16 0h4v5h-4z"/><path fill="#D1D3D4" d="M16 2h4v4h-4z"/><path fill="#A7A9AC" d="M18 2h2v4h-2z"/><path fill="#66757F" d="M18 19H5s1.355 8 4.875 14C13.394 39 18 33 18 33s4.606 6 8.125 0C29.645 27 31 19 31 19H18z"/><path fill="#99AAB5" d="M18 19H5s1.355 8 4.875 14C13.394 39 18 33 18 33V19z"/><path fill="#55ACEE" d="M0 30h36v6H0z"/><path fill="#E6E7E8" d="M30 9h-2.45l-.242-4H8.692l-.241 4H6v6h2.088l-.242 4h20.308l-.242-4H30z"/><path fill="#D1D3D4" d="M10 15h16v4H10z"/><path fill="#6D6E71" d="M8 11h20v2H8z"/><path fill="#BCBEC0" d="M10 7h16v2H10z"/><path fill="#BE1931" d="M5.913 23h24.174c.201-.747.368-1.427.5-2H5.413c.132.573.299 1.253.5 2z"/><path fill="#A0041E" d="M18 23h12.087c.201-.747.368-1.427.5-2H18v2z"/><path fill="#BCBEC0" d="M12 17h12v2H12z"/><path fill="#58595B" d="M16 0h2v2h-2z"/></g></svg>AltText: shipPlacement: before-question
- VisualToken
- Type: asset-refEffectiveProvider: twemojiRequestedProvider: twemojiIconSize: 36Layout: icon-badgePlacement: before-questionItems: [{"ref":"twemoji:1f6a2","name":"ship","count":1,"role":"badge"}]
Rule: x + 8. Find the missing output.
Show answer
Answer: 13
- Rule
- x + 8
- Table
- {"input":5,"output":13,"blank":false}
- {"input":2,"output":10,"blank":false}
- {"input":5,"output":null,"blank":true}
- {"input":12,"output":20,"blank":false}
Rule: x × 3. Find the missing output.
Show answer
Answer: 18
- Rule
- x × 3
- Table
- {"input":6,"output":null,"blank":true}
- {"input":7,"output":21,"blank":false}
- {"input":4,"output":12,"blank":false}
- {"input":12,"output":36,"blank":false}
Rule: x - 4. Find the missing output.
Show answer
Answer: 8
- Rule
- x - 4
- Table
- {"input":12,"output":null,"blank":true}
- {"input":5,"output":1,"blank":false}
- {"input":7,"output":3,"blank":false}
- {"input":12,"output":8,"blank":false}
- Visual
- Type: inline-svgSvg: <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 44 44" width="44" height="44"><g transform="translate(4,4) scale(1)"><path fill="#E1E8ED" d="M32 22s-2-8-5-8H16c-3 0-7 7-7 7s-8 1-8 5v2c0 .09.021.175.026.263C.417 28.605 0 29.251 0 30c0 1.104.896 2 2 2h30c2.209 0 4-1.791 4-4v-2c0-2.209-1.791-4-4-4z"/><path fill="#292F33" d="M1 26v2c0 .09.021.175.026.263C.417 28.605 0 29.251 0 30c0 1.104.896 2 2 2h30c2.209 0 4-1.791 4-4v-2c0-.348-.059-.679-.142-1H1.201c-.117.312-.201.641-.201 1z"/><path fill="#66757F" d="M15.91 32c.055-.326.09-.658.09-1 0-3.313-2.686-6-6-6-3.313 0-6 2.687-6 6 0 .342.035.674.09 1h11.82zm17 0c.055-.326.09-.658.09-1 0-3.313-2.687-6-6-6s-6 2.687-6 6c0 .342.035.674.09 1h11.82z"/><circle fill="#292F33" cx="10" cy="31" r="4"/><circle fill="#E1E8ED" cx="10" cy="31" r="2"/><circle fill="#292F33" cx="27" cy="31" r="4"/><circle fill="#E1E8ED" cx="27" cy="31" r="2"/><path fill="#DD2E44" d="M21 13c0 .552-.447 1-1 1h-3c-.552 0-1-.448-1-1s.448-1 1-1h3c.553 0 1 .448 1 1z"/><path fill="#55ACEE" d="M22 13c0 .552-.447 1-1 1h-2c-.552 0-1-.448-1-1s.448-1 1-1h2c.553 0 1 .448 1 1zm1 8h7s-2-5-3-5h-4v5zm-2-5h-5c-2 0-5 5-5 5h10v-5z"/></g></svg>AltText: police carPlacement: before-question
- VisualToken
- Type: asset-refEffectiveProvider: twemojiRequestedProvider: twemojiIconSize: 36Layout: icon-badgePlacement: before-questionItems: [{"ref":"twemoji:1f693","name":"police-car","count":1,"role":"badge"}]
Rule: x × 4. Find the missing output.
Show answer
Answer: 48
- Rule
- x × 4
- Table
- {"input":12,"output":null,"blank":true}
- {"input":1,"output":4,"blank":false}
- {"input":10,"output":40,"blank":false}
- {"input":6,"output":24,"blank":false}
Rule: x ÷ 3. Find the missing output.
Show answer
Answer: 5
- Rule
- x ÷ 3
- Table
- {"input":12,"output":4,"blank":false}
- {"input":15,"output":null,"blank":true}
- {"input":12,"output":4,"blank":false}
- {"input":15,"output":5,"blank":false}
- Visual
- Type: inline-svgSvg: <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 44 44" width="44" height="44"><g transform="translate(4,4) scale(1)"><path fill="#CCD6DD" d="M35 12c0-1-1-4-4-4H9.401c-1.377 0-3.29 1.791-4.302 4L2 17c-1.453.599-2 2.331-2 4v6c0 2.209 1.791 4 4 4h28c2.209 0 4-1.791 4-4v-8c0-1.027-1-7-1-7z"/><path fill="#E1E8ED" d="M9 25c-3.267 0-5.918 2.612-5.993 5.861.32.081.648.139.993.139h11c0-3.313-2.686-6-6-6zm23.993 5.86C32.918 27.612 30.268 25 27 25c-3.312 0-6 2.687-6 6h11c.345 0 .674-.058.993-.14z"/><circle fill="#292F33" cx="9" cy="31" r="4"/><circle fill="#99AAB5" cx="9" cy="31" r="2"/><circle fill="#292F33" cx="27" cy="31" r="4"/><circle fill="#99AAB5" cx="27" cy="31" r="2"/><path fill="#DD2E44" d="M0 21h36v3H0zm31-8h-3v-3h-2v3h-3v2h3v3h2v-3h3z"/><path fill="#55ACEE" d="M8 10h5v7H4z"/><path fill="#DD2E44" d="M15 6.5c0 .829-.671 1.5-1.5 1.5h-2c-.829 0-1.5-.671-1.5-1.5S10.671 5 11.5 5h2c.829 0 1.5.671 1.5 1.5z"/><path fill="#55ACEE" d="M18 6.5c0 .829-.671 1.5-1.5 1.5h-2c-.829 0-1.5-.671-1.5-1.5S13.671 5 14.5 5h2c.829 0 1.5.671 1.5 1.5z"/></g></svg>AltText: ambulancePlacement: before-question
- VisualToken
- Type: asset-refEffectiveProvider: twemojiRequestedProvider: twemojiIconSize: 36Layout: icon-badgePlacement: before-questionItems: [{"ref":"twemoji:1f691","name":"ambulance","count":1,"role":"badge"}]
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 Expert 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.