Workbook Detail

Function Machine Addition Easy — Set 9

Arithmetic B
easy Set 9 Form Exercise

Rule: x + 4. Find the missing output.

Show answer

Answer: 10

Rule
x + 4
Table
  • {"input":7,"output":11,"blank":false}
  • {"input":9,"output":13,"blank":false}
  • {"input":6,"output":null,"blank":true}
  • {"input":9,"output":13,"blank":false}

Rule: x + 3. Find the missing output.

Show answer

Answer: 12

Rule
x + 3
Table
  • {"input":5,"output":8,"blank":false}
  • {"input":6,"output":9,"blank":false}
  • {"input":9,"output":null,"blank":true}
  • {"input":8,"output":11,"blank":false}

Rule: x + 3. Find the missing output.

Show answer

Answer: 9

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

Rule: x × 3. Find the missing output.

Show answer

Answer: 24

Rule
x × 3
Table
  • {"input":1,"output":3,"blank":false}
  • {"input":7,"output":21,"blank":false}
  • {"input":9,"output":27,"blank":false}
  • {"input":8,"output":null,"blank":true}

Rule: x - 1. Find the missing output.

Show answer

Answer: 10

Rule
x - 1
Table
  • {"input":11,"output":null,"blank":true}
  • {"input":7,"output":6,"blank":false}
  • {"input":2,"output":1,"blank":false}
  • {"input":4,"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="#CCD6DD" d="M35 8H13c-.552 0-1 .448-1 1s.448 1 1 1h2v2h2v-2h2v2h2v-2h2v2h2v-2h2v2h2v-2h2v2h2v-2h2c.553 0 1-.448 1-1s-.447-1-1-1zm1 5c0 .552-.447 1-1 1H13c-.552 0-1-.448-1-1s.448-1 1-1h22c.553 0 1 .448 1 1z"/><path fill="#DD2E44" d="M32 14H14s.041-2-2.979-2H5.146C0 12 0 19.959 0 19.959V27c0 2.209 1.791 4 4 4h28c2.209 0 4-1.791 4-4v-9c0-2.209-1.791-4-4-4z"/><path fill="#F5F8FA" d="M2 22h32v3H2z"/><circle fill="#292F33" cx="7" cy="31" r="4"/><circle fill="#8899A6" cx="7" cy="31" r="2"/><circle fill="#292F33" cx="28" cy="31" r="4"/><circle fill="#8899A6" cx="28" cy="31" r="2"/><path fill="#55ACEE" d="M7 20H2s0-6 3-6h2v6zm5 0H9v-6h1c1 0 2 1 2 2v4z"/><path fill="#FFAC33" d="M8 11c0 .552-.448 1-1 1H5c-.552 0-1-.448-1-1s.448-1 1-1h2c.552 0 1 .448 1 1z"/><path fill="#3B88C3" d="M10 11c0 .552-.448 1-1 1H7c-.552 0-1-.448-1-1s.448-1 1-1h2c.552 0 1 .448 1 1z"/></g></svg>
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Rule: x × 3. Find the missing output.

Show answer

Answer: 18

Rule
x × 3
Table
  • {"input":10,"output":30,"blank":false}
  • {"input":6,"output":null,"blank":true}
  • {"input":10,"output":30,"blank":false}
  • {"input":9,"output":27,"blank":false}

Rule: x × 3. Find the missing output.

Show answer

Answer: 27

Rule
x × 3
Table
  • {"input":4,"output":12,"blank":false}
  • {"input":9,"output":27,"blank":false}
  • {"input":9,"output":27,"blank":false}
  • {"input":9,"output":null,"blank":true}

Rule: x - 1. Find the missing output.

Show answer

Answer: 6

Rule
x - 1
Table
  • {"input":7,"output":null,"blank":true}
  • {"input":2,"output":1,"blank":false}
  • {"input":4,"output":3,"blank":false}
  • {"input":6,"output":5,"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="#CCD6DD" d="M35 8H13c-.552 0-1 .448-1 1s.448 1 1 1h2v2h2v-2h2v2h2v-2h2v2h2v-2h2v2h2v-2h2v2h2v-2h2c.553 0 1-.448 1-1s-.447-1-1-1zm1 5c0 .552-.447 1-1 1H13c-.552 0-1-.448-1-1s.448-1 1-1h22c.553 0 1 .448 1 1z"/><path fill="#DD2E44" d="M32 14H14s.041-2-2.979-2H5.146C0 12 0 19.959 0 19.959V27c0 2.209 1.791 4 4 4h28c2.209 0 4-1.791 4-4v-9c0-2.209-1.791-4-4-4z"/><path fill="#F5F8FA" d="M2 22h32v3H2z"/><circle fill="#292F33" cx="7" cy="31" r="4"/><circle fill="#8899A6" cx="7" cy="31" r="2"/><circle fill="#292F33" cx="28" cy="31" r="4"/><circle fill="#8899A6" cx="28" cy="31" r="2"/><path fill="#55ACEE" d="M7 20H2s0-6 3-6h2v6zm5 0H9v-6h1c1 0 2 1 2 2v4z"/><path fill="#FFAC33" d="M8 11c0 .552-.448 1-1 1H5c-.552 0-1-.448-1-1s.448-1 1-1h2c.552 0 1 .448 1 1z"/><path fill="#3B88C3" d="M10 11c0 .552-.448 1-1 1H7c-.552 0-1-.448-1-1s.448-1 1-1h2c.552 0 1 .448 1 1z"/></g></svg>
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Teaching Notes

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

Frequently Asked Questions

How do I use this Function Machine Addition 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.

Workbook Detail

Function Machine Addition Easy — Set 9

Arithmetic B
easy Set 9 Form Exercise

Rule: x × 2. Find the missing output.

Show answer

Answer: 2

Rule
x × 2
Table
  • {"input":3,"output":6,"blank":false}
  • {"input":1,"output":null,"blank":true}
  • {"input":7,"output":14,"blank":false}
  • {"input":12,"output":24,"blank":false}

Rule: x + 3. Find the missing output.

Show answer

Answer: 11

Rule
x + 3
Table
  • {"input":5,"output":8,"blank":false}
  • {"input":5,"output":8,"blank":false}
  • {"input":1,"output":4,"blank":false}
  • {"input":8,"output":null,"blank":true}

Rule: x + 4. Find the missing output.

Show answer

Answer: 12

Rule
x + 4
Table
  • {"input":8,"output":null,"blank":true}
  • {"input":1,"output":5,"blank":false}
  • {"input":3,"output":7,"blank":false}
  • {"input":5,"output":9,"blank":false}

Rule: x + 2. Find the missing output.

Show answer

Answer: 5

Rule
x + 2
Table
  • {"input":6,"output":8,"blank":false}
  • {"input":3,"output":null,"blank":true}
  • {"input":9,"output":11,"blank":false}
  • {"input":9,"output":11,"blank":false}

Rule: x - 3. Find the missing output.

Rule
x - 3
Table
  • {"input":9,"output":6,"blank":false}
  • {"input":12,"output":9,"blank":false}
  • {"input":6,"output":3,"blank":false}
  • {"input":3,"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>
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Items: [{"ref":"twemoji:1f6b2","name":"bicycle","count":1,"role":"badge"}]

Rule: x - 3. Find the missing output.

Show answer

Answer: 2

Rule
x - 3
Table
  • {"input":12,"output":9,"blank":false}
  • {"input":4,"output":1,"blank":false}
  • {"input":9,"output":6,"blank":false}
  • {"input":5,"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="#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>
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Placement: before-question
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Rule: x + 2. Find the missing output.

Show answer

Answer: 11

Rule
x + 2
Table
  • {"input":12,"output":14,"blank":false}
  • {"input":9,"output":null,"blank":true}
  • {"input":9,"output":11,"blank":false}
  • {"input":1,"output":3,"blank":false}

Rule: x + 2. Find the missing output.

Show answer

Answer: 12

Rule
x + 2
Table
  • {"input":5,"output":7,"blank":false}
  • {"input":10,"output":null,"blank":true}
  • {"input":8,"output":10,"blank":false}
  • {"input":1,"output":3,"blank":false}
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Teaching Notes

Practice function machine addition with free printable worksheets. Uniquely generated — reinforce key math skills with every set.

Frequently Asked Questions

How do I use this Function Machine Addition 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.