Workbook Detail

Function Machine Subtraction Easy — Set 9

Arithmetic B
easy Set 9 Form Exercise

Rule: x × 3. Find the missing output.

Show answer

Answer: 36

Rule
x × 3
Table
  • {"input":6,"output":18,"blank":false}
  • {"input":12,"output":36,"blank":false}
  • {"input":12,"output":36,"blank":false}
  • {"input":12,"output":null,"blank":true}

Rule: x × 3. Find the missing output.

Show answer

Answer: 3

Rule
x × 3
Table
  • {"input":4,"output":12,"blank":false}
  • {"input":4,"output":12,"blank":false}
  • {"input":1,"output":null,"blank":true}
  • {"input":5,"output":15,"blank":false}

Rule: x + 3. Find the missing output.

Show answer

Answer: 9

Rule
x + 3
Table
  • {"input":2,"output":5,"blank":false}
  • {"input":12,"output":15,"blank":false}
  • {"input":9,"output":12,"blank":false}
  • {"input":6,"output":null,"blank":true}

Rule: x - 4. Find the missing output.

Rule
x - 4
Table
  • {"input":9,"output":5,"blank":false}
  • {"input":7,"output":3,"blank":false}
  • {"input":4,"output":0,"blank":false}
  • {"input":4,"output":null,"blank":true}
Visual
Type: inline-svg
Svg: <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="#EA596E" d="M7 24c1.957 0 3.633 1.135 4.455 2.772l3.477-1.739C13.488 22.058 10.446 20 6.916 20c-1.301 0-2.534.285-3.649.787l1.668 3.67C5.566 24.17 6.262 24 7 24zm22 0c1.467 0 2.772.643 3.688 1.648l2.897-2.635C33.952 21.169 31.573 20 28.916 20c-3.576 0-6.652 2.111-8.073 5.15l3.648 1.722C25.293 25.18 27.003 24 29 24z"/><path fill="#292F33" d="M7 22c-3.866 0-7 3.134-7 7s3.134 7 7 7 7-3.134 7-7-3.133-7-7-7zm0 12c-2.761 0-5-2.238-5-5s2.239-5 5-5 5 2.238 5 5-2.238 5-5 5zm22-12c-3.865 0-7 3.134-7 7s3.135 7 7 7c3.867 0 7-3.134 7-7s-3.133-7-7-7zm0 12c-2.761 0-5-2.238-5-5s2.239-5 5-5c2.762 0 5 2.238 5 5s-2.238 5-5 5z"/><path fill="#DD2E44" d="M29.984 28.922c-.005-.067-.021-.132-.04-.198-.019-.065-.04-.126-.071-.186-.013-.024-.015-.052-.029-.075l-7-11c-.297-.466-.914-.604-1.381-.307-.299.19-.444.513-.445.843H12c-.552 0-1 .447-1 1 0 .553.448 1 1 1h10c.027 0 .05-.014.077-.016L27.178 28H18c-.552 0-1 .447-1 1s.448 1 1 1h11.001c.116 0 .23-.028.343-.069.034-.013.064-.027.097-.043.031-.017.066-.024.097-.044.03-.02.048-.051.075-.072.055-.044.103-.089.147-.143.041-.049.074-.099.104-.154.03-.056.055-.11.075-.172.021-.066.033-.132.04-.201.004-.036.021-.066.021-.102 0-.027-.014-.051-.016-.078z"/><path fill="#DD2E44" d="M21.581 16l-2.899 8.117-5.929-6.775c-.364-.415-.996-.459-1.411-.094-.415.364-.457.995-.094 1.411l6.664 7.615-.854 2.39c-.185.519.086 1.092.606 1.277.111.04.224.059.336.059.411 0 .796-.255.942-.664L23.705 16h-2.124z"/><path fill="#DD2E44" d="M7 30c-.15 0-.303-.034-.446-.105-.494-.247-.694-.848-.447-1.342l3.062-6.106C9.186 22.419 11 19.651 11 17c0-3.242-2.293-4.043-2.316-4.051-.524-.175-.807-.741-.632-1.265.174-.524.739-.81 1.265-.632C9.467 11.102 13 12.333 13 17c0 3.068-1.836 6.042-2.131 6.497l-2.974 5.949C7.72 29.798 7.367 30 7 30z"/><path fill="#292F33" d="M14.612 13.663c-.054 0-.11-.004-.165-.014l-6-1c-.544-.091-.913-.606-.822-1.151.091-.544.601-.913 1.151-.822l6 1c.544.091.913.606.822 1.151-.082.489-.506.836-.986.836zM26.383 17c-.03 0-.059-.002-.089-.006l-5.672-.708c-.372-.046-.644-.374-.62-.748.023-.374.333-.665.707-.665.041 0 4.067-.018 5.989-1.299.25-.167.582-.157.824.026.239.185.337.501.241.788l-.709 2.127c-.096.293-.369.485-.671.485z"/><path fill="#66757F" d="M20 29c0 1.104-.895 2-2 2-1.104 0-2-.896-2-2s.896-2 2-2c1.105 0 2 .896 2 2z"/></g></svg>
AltText: bicycle
Placement: before-question
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EffectiveProvider: twemoji
RequestedProvider: twemoji
IconSize: 36
Layout: icon-badge
Placement: before-question
Items: [{"ref":"twemoji:1f6b2","name":"bicycle","count":1,"role":"badge"}]

Rule: x × 2. Find the missing output.

Show answer

Answer: 24

Rule
x × 2
Table
  • {"input":4,"output":8,"blank":false}
  • {"input":8,"output":16,"blank":false}
  • {"input":12,"output":24,"blank":false}
  • {"input":12,"output":null,"blank":true}

Rule: x × 2. Find the missing output.

Show answer

Answer: 6

Rule
x × 2
Table
  • {"input":8,"output":16,"blank":false}
  • {"input":9,"output":18,"blank":false}
  • {"input":1,"output":2,"blank":false}
  • {"input":3,"output":null,"blank":true}

Rule: x - 3. Find the missing output.

Show answer

Answer: 4

Rule
x - 3
Table
  • {"input":7,"output":null,"blank":true}
  • {"input":3,"output":0,"blank":false}
  • {"input":6,"output":3,"blank":false}
  • {"input":7,"output":4,"blank":false}
Visual
Type: inline-svg
Svg: <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="M13 32h20s3 0 3-4c0-2 0-6-1-7s-8-7-11-7h-6c-3 0-10 7-10 7l-4 1s-3 1-3 3v3s-1 .338-1 1.957C0 32 2 32 2 32h11z"/><path fill="#BBDDF5" d="M20 16h-2c-2 0-8 6-8 6s4.997-.263 10-.519V16zm10 3c-1-1-5-3-7-3h-1v5.379c4.011-.204 7.582-.379 8-.379 1 0 1-1 0-2z"/><circle fill="#292F33" cx="10" cy="31" r="4"/><circle fill="#CCD6DD" cx="10" cy="31" r="2"/><circle fill="#292F33" cx="27" cy="31" r="4"/><circle fill="#CCD6DD" cx="27" cy="31" r="2"/></g></svg>
AltText: car
Placement: before-question
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EffectiveProvider: twemoji
RequestedProvider: twemoji
IconSize: 36
Layout: icon-badge
Placement: before-question
Items: [{"ref":"twemoji:1f697","name":"car","count":1,"role":"badge"}]

Rule: x + 2. Find the missing output.

Show answer

Answer: 3

Rule
x + 2
Table
  • {"input":10,"output":12,"blank":false}
  • {"input":1,"output":3,"blank":false}
  • {"input":1,"output":null,"blank":true}
  • {"input":1,"output":3,"blank":false}
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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.

Workbook Detail

Function Machine Subtraction Easy — Set 9

Arithmetic B
easy Set 9 Form Exercise

Rule: x × 2. Find the missing output.

Show answer

Answer: 4

Rule
x × 2
Table
  • {"input":2,"output":null,"blank":true}
  • {"input":2,"output":4,"blank":false}
  • {"input":2,"output":4,"blank":false}
  • {"input":9,"output":18,"blank":false}

Rule: x × 2. Find the missing output.

Show answer

Answer: 8

Rule
x × 2
Table
  • {"input":1,"output":2,"blank":false}
  • {"input":7,"output":14,"blank":false}
  • {"input":4,"output":null,"blank":true}
  • {"input":2,"output":4,"blank":false}

Rule: x - 1. Find the missing output.

Show answer

Answer: 10

Rule
x - 1
Table
  • {"input":7,"output":6,"blank":false}
  • {"input":3,"output":2,"blank":false}
  • {"input":11,"output":null,"blank":true}
  • {"input":10,"output":9,"blank":false}
Visual
Type: inline-svg
Svg: <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="#A7A9AC" d="M20 26c0 .553-.447 1-1 1-.552 0-1-.447-1-1V1c0-.552.448-1 1-1 .553 0 1 .448 1 1v25z"/><path fill="#D1D3D4" d="M3 24h31v8H12c-6 0-9-8-9-8z"/><path fill="#55ACEE" d="M0 30h36v6H0z"/><path fill="#FFAC33" d="M5 22s2-5 5-9 8-8 8-8-1 11-1 16v1s-3-1-6-1-6 1-6 1z"/><path fill="#F4900C" d="M20 2s6 6 9 11c2.771 4.618 4 9 4 9s-3-1-6-1-6 1-6 1v-1c0-9-1-19-1-19z"/><path fill="#E6E7E8" d="M2 24c-.552 0-1 .447-1 1s.448 1 1 1h33v-2H2z"/></g></svg>
AltText: sailboat
Placement: before-question
VisualToken
Type: asset-ref
EffectiveProvider: twemoji
RequestedProvider: twemoji
IconSize: 36
Layout: icon-badge
Placement: before-question
Items: [{"ref":"twemoji:26f5","name":"sailboat","count":1,"role":"badge"}]

Rule: x - 1. Find the missing output.

Show answer

Answer: 11

Rule
x - 1
Table
  • {"input":4,"output":3,"blank":false}
  • {"input":5,"output":4,"blank":false}
  • {"input":7,"output":6,"blank":false}
  • {"input":12,"output":null,"blank":true}

Rule: x + 3. Find the missing output.

Show answer

Answer: 5

Rule
x + 3
Table
  • {"input":7,"output":10,"blank":false}
  • {"input":6,"output":9,"blank":false}
  • {"input":9,"output":12,"blank":false}
  • {"input":2,"output":null,"blank":true}

Rule: x + 5. Find the missing output.

Show answer

Answer: 11

Rule
x + 5
Table
  • {"input":6,"output":null,"blank":true}
  • {"input":4,"output":9,"blank":false}
  • {"input":4,"output":9,"blank":false}
  • {"input":4,"output":9,"blank":false}

Rule: x - 3. Find the missing output.

Rule
x - 3
Table
  • {"input":9,"output":6,"blank":false}
  • {"input":2,"output":0,"blank":false}
  • {"input":3,"output":null,"blank":true}
  • {"input":6,"output":3,"blank":false}
Visual
Type: inline-svg
Svg: <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="#808285" d="M0 21v7c0 1.657 1.343 3 3 3h30c1.657 0 3-1.343 3-3v-7H0z"/><path fill="#CCD6DD" d="M36 22v-9c0-1.657-3.343-3-5-3H11c-8 0-11 2.343-11 4v8h36z"/><path fill="#939598" d="M0 22h36v3H0z"/><path fill="#BCBEC0" d="M7 25c-3.063 0-5.586 2.298-5.95 5.263.526.453 1.202.737 1.95.737h10c0-3.313-2.686-6-6-6zm27.95 5.263C34.586 27.298 32.063 25 29 25c-3.313 0-6 2.687-6 6h10c.749 0 1.425-.284 1.95-.737z"/><circle cx="7" cy="31" r="4"/><circle fill="#99AAB5" cx="7" cy="31" r="2"/><circle cx="29" cy="31" r="4"/><circle fill="#99AAB5" cx="29" cy="31" r="2"/><path fill="#F4900C" d="M0 25h1v2H0zm35-2h1v2h-1z"/><path fill="#58595B" d="M1 13h35v10H1z"/><path fill="#292F33" d="M2 13H.342C.11 13.344 0 13.685 0 14v11h2c1.104 0 2-.896 2-2v-8c0-1.104-.896-2-2-2z"/><path fill="#55ACEE" d="M31 20c0 .553-.447 1-1 1H7c-.552 0-1-.447-1-1v-4c0-.552.448-1 1-1h23c.553 0 1 .448 1 1v4z"/><path fill="#FFAC33" d="M35 19h1v2h-1z"/><path fill="#55ACEE" d="M1 15H0v8h1c.552 0 1-.447 1-1v-6c0-.552-.448-1-1-1z"/></g></svg>
AltText: bus
Placement: before-question
VisualToken
Type: asset-ref
EffectiveProvider: twemoji
RequestedProvider: twemoji
IconSize: 36
Layout: icon-badge
Placement: before-question
Items: [{"ref":"twemoji:1f68c","name":"bus","count":1,"role":"badge"}]

Rule: x - 2. Find the missing output.

Show answer

Answer: 9

Rule
x - 2
Table
  • {"input":4,"output":2,"blank":false}
  • {"input":10,"output":8,"blank":false}
  • {"input":11,"output":null,"blank":true}
  • {"input":3,"output":1,"blank":false}
Visual
Type: inline-svg
Svg: <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="#EA596E" d="M7 24c1.957 0 3.633 1.135 4.455 2.772l3.477-1.739C13.488 22.058 10.446 20 6.916 20c-1.301 0-2.534.285-3.649.787l1.668 3.67C5.566 24.17 6.262 24 7 24zm22 0c1.467 0 2.772.643 3.688 1.648l2.897-2.635C33.952 21.169 31.573 20 28.916 20c-3.576 0-6.652 2.111-8.073 5.15l3.648 1.722C25.293 25.18 27.003 24 29 24z"/><path fill="#292F33" d="M7 22c-3.866 0-7 3.134-7 7s3.134 7 7 7 7-3.134 7-7-3.133-7-7-7zm0 12c-2.761 0-5-2.238-5-5s2.239-5 5-5 5 2.238 5 5-2.238 5-5 5zm22-12c-3.865 0-7 3.134-7 7s3.135 7 7 7c3.867 0 7-3.134 7-7s-3.133-7-7-7zm0 12c-2.761 0-5-2.238-5-5s2.239-5 5-5c2.762 0 5 2.238 5 5s-2.238 5-5 5z"/><path fill="#DD2E44" d="M29.984 28.922c-.005-.067-.021-.132-.04-.198-.019-.065-.04-.126-.071-.186-.013-.024-.015-.052-.029-.075l-7-11c-.297-.466-.914-.604-1.381-.307-.299.19-.444.513-.445.843H12c-.552 0-1 .447-1 1 0 .553.448 1 1 1h10c.027 0 .05-.014.077-.016L27.178 28H18c-.552 0-1 .447-1 1s.448 1 1 1h11.001c.116 0 .23-.028.343-.069.034-.013.064-.027.097-.043.031-.017.066-.024.097-.044.03-.02.048-.051.075-.072.055-.044.103-.089.147-.143.041-.049.074-.099.104-.154.03-.056.055-.11.075-.172.021-.066.033-.132.04-.201.004-.036.021-.066.021-.102 0-.027-.014-.051-.016-.078z"/><path fill="#DD2E44" d="M21.581 16l-2.899 8.117-5.929-6.775c-.364-.415-.996-.459-1.411-.094-.415.364-.457.995-.094 1.411l6.664 7.615-.854 2.39c-.185.519.086 1.092.606 1.277.111.04.224.059.336.059.411 0 .796-.255.942-.664L23.705 16h-2.124z"/><path fill="#DD2E44" d="M7 30c-.15 0-.303-.034-.446-.105-.494-.247-.694-.848-.447-1.342l3.062-6.106C9.186 22.419 11 19.651 11 17c0-3.242-2.293-4.043-2.316-4.051-.524-.175-.807-.741-.632-1.265.174-.524.739-.81 1.265-.632C9.467 11.102 13 12.333 13 17c0 3.068-1.836 6.042-2.131 6.497l-2.974 5.949C7.72 29.798 7.367 30 7 30z"/><path fill="#292F33" d="M14.612 13.663c-.054 0-.11-.004-.165-.014l-6-1c-.544-.091-.913-.606-.822-1.151.091-.544.601-.913 1.151-.822l6 1c.544.091.913.606.822 1.151-.082.489-.506.836-.986.836zM26.383 17c-.03 0-.059-.002-.089-.006l-5.672-.708c-.372-.046-.644-.374-.62-.748.023-.374.333-.665.707-.665.041 0 4.067-.018 5.989-1.299.25-.167.582-.157.824.026.239.185.337.501.241.788l-.709 2.127c-.096.293-.369.485-.671.485z"/><path fill="#66757F" d="M20 29c0 1.104-.895 2-2 2-1.104 0-2-.896-2-2s.896-2 2-2c1.105 0 2 .896 2 2z"/></g></svg>
AltText: bicycle
Placement: before-question
VisualToken
Type: asset-ref
EffectiveProvider: twemoji
RequestedProvider: twemoji
IconSize: 36
Layout: icon-badge
Placement: before-question
Items: [{"ref":"twemoji:1f6b2","name":"bicycle","count":1,"role":"badge"}]
← More Arithmetic

Teaching Notes

Practice function machine subtraction with free easy printable worksheets. Uniquely generated — reinforce key math skills.

Frequently Asked Questions

How do I use this Function Machine Subtraction Easy Practice?

Print the worksheet and use it for independent practice, homework, or assessment. The included answer key allows for quick grading.

Is there an answer key?

Yes — the answer key is included and can be printed separately.