Workbook Detail

Function Machine Addition Easy — Set 7

Arithmetic B
easy Set 7 Form Exercise

Rule: x × 2. Find the missing output.

Show answer

Answer: 22

Rule
x × 2
Table
  • {"input":12,"output":24,"blank":false}
  • {"input":11,"output":null,"blank":true}
  • {"input":1,"output":2,"blank":false}
  • {"input":1,"output":2,"blank":false}

Rule: x + 4. Find the missing output.

Show answer

Answer: 11

Rule
x + 4
Table
  • {"input":7,"output":null,"blank":true}
  • {"input":1,"output":5,"blank":false}
  • {"input":5,"output":9,"blank":false}
  • {"input":9,"output":13,"blank":false}

Rule: x - 3. Find the missing output.

Show answer

Answer: 1

Rule
x - 3
Table
  • {"input":9,"output":6,"blank":false}
  • {"input":10,"output":7,"blank":false}
  • {"input":4,"output":null,"blank":true}
  • {"input":3,"output":0,"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="M21.377 15.449c.089.816-.83 1.495-2.053 1.515-1.223.02-2.095-.635-1.947-1.463l.356-2c.147-.829.938-1.5 1.767-1.5.828 0 1.572.662 1.661 1.478l.216 1.97z"/><path fill="#FFCC4D" d="M32.246 21h-.135l-.444-3c-.327-2.209-1.864-4-3.433-4H16.162c-1.569 0-3.574 1.791-4.478 4l-1.228 3H6.911c-2.073 0-4.104 1.791-4.538 4l-.588 3c-.001.008 0 .015-.002.021C.782 28.132 0 28.97 0 30c0 1.104.896 2 2 2h30c2.209 0 4-1.791 4-4v-3c0-2.209-1.681-4-3.754-4z"/><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"/><path fill="#F4900C" d="M2.373 25l-.196 1H36v-1c0-.348-.055-.679-.133-1H2.702c-.141.321-.261.652-.329 1z"/><path d="M24 21h5.92c-.014-.416-.064-.908-.156-1.5-.395-2.5-.552-3.5-3.437-3.5H24v5zm-2-5h-5c-1.594 0-3.236 1.567-3.847 3.5-.194.599-.353 1.088-.472 1.5H22v-5z" fill="#55ACEE"/></g></svg>
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Rule: x + 3. Find the missing output.

Show answer

Answer: 4

Rule
x + 3
Table
  • {"input":10,"output":13,"blank":false}
  • {"input":4,"output":7,"blank":false}
  • {"input":2,"output":5,"blank":false}
  • {"input":1,"output":null,"blank":true}

Rule: x × 3. Find the missing output.

Show answer

Answer: 15

Rule
x × 3
Table
  • {"input":2,"output":6,"blank":false}
  • {"input":5,"output":null,"blank":true}
  • {"input":10,"output":30,"blank":false}
  • {"input":9,"output":27,"blank":false}

Rule: x + 4. Find the missing output.

Show answer

Answer: 11

Rule
x + 4
Table
  • {"input":5,"output":9,"blank":false}
  • {"input":7,"output":null,"blank":true}
  • {"input":7,"output":11,"blank":false}
  • {"input":2,"output":6,"blank":false}

Rule: x + 5. Find the missing output.

Show answer

Answer: 8

Rule
x + 5
Table
  • {"input":9,"output":14,"blank":false}
  • {"input":2,"output":7,"blank":false}
  • {"input":3,"output":null,"blank":true}
  • {"input":12,"output":17,"blank":false}

Rule: x × 2. Find the missing output.

Show answer

Answer: 8

Rule
x × 2
Table
  • {"input":11,"output":22,"blank":false}
  • {"input":4,"output":null,"blank":true}
  • {"input":1,"output":2,"blank":false}
  • {"input":1,"output":2,"blank":false}

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 7

Arithmetic B
easy Set 7 Form Exercise

Rule: x - 2. Find the missing output.

Rule
x - 2
Table
  • {"input":10,"output":8,"blank":false}
  • {"input":9,"output":7,"blank":false}
  • {"input":1,"output":null,"blank":true}
  • {"input":12,"output":10,"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="M11 11h3v9h-3z"/><path fill="#77B255" d="M24 26.157C24 28.832 22.354 31 20.325 31H4.709c-2.029 0-3.488-1.565-3.258-3.494l.625-5.241c.23-1.93 1.992-3.808 3.928-4.199l14.628-3.21C22.496 14.413 24 16.219 24 18.893v7.264z"/><path fill="#292F33" d="M16.535 24.167C16.239 26.283 17.791 28 20 28h9c2.209 0 4-1.717 4-3.833V8.833C33 6.716 31.547 5 29.755 5h-7.303c-1.792 0-3.484 1.716-3.78 3.833l-2.137 15.334z"/><path fill="#BBDDF5" d="M18.245 25c-.135 1.104.65 2 1.755 2h9c1.104 0 2-.896 2-2V11c0-1.104-.743-2-1.66-2h-7.473c-.917 0-1.771.896-1.906 2l-1.716 14z"/><path fill="#77B255" d="M15 21h18v10H15z"/><path fill="#FFCC4D" d="M33 23H2l1-2h30z"/><circle fill="#292F33" cx="8" cy="31" r="4"/><circle fill="#FFCC4D" cx="8" cy="31" r="2"/><path fill="#77B255" d="M33 16v4l-10 9-7-1 3-10 3-2z"/><path fill="#292F33" d="M18.222 26.111c0-4.91 3.979-8.889 8.889-8.889 4.91 0 8.889 3.979 8.889 8.889C36 31.021 32.021 35 27.111 35c-4.91 0-8.889-3.979-8.889-8.889z"/><path fill="#FFCC4D" d="M32.667 26.111c0 3.068-2.487 5.556-5.556 5.556-3.068 0-5.556-2.487-5.556-5.556 0-3.068 2.487-5.556 5.556-5.556 3.069.001 5.556 2.488 5.556 5.556z"/><path fill="#FFE8B6" d="M30.444 26.111c0 1.841-1.492 3.333-3.333 3.333-1.842 0-3.334-1.492-3.334-3.333 0-1.842 1.492-3.334 3.334-3.334 1.841 0 3.333 1.493 3.333 3.334z"/><path fill="#77B255" d="M32.588 7c-.552-1.187-1.606-2-2.833-2h-7.303c-1.227 0-2.395.813-3.112 2h13.248z"/><path fill="#F4900C" d="M29.333 26.111c0 1.227-.995 2.222-2.222 2.222-1.227 0-2.223-.995-2.223-2.222 0-1.227.995-2.223 2.223-2.223 1.227.001 2.222.996 2.222 2.223z"/><circle fill="#F4900C" cx="8" cy="31" r="1"/><path fill="#66757F" d="M11 13h3v2h-3z"/><path fill="#5C913B" d="M16 28.75c-.094 0-.19-.013-.285-.041-.529-.157-.832-.714-.675-1.243l2-6.75C17.421 18.796 19.188 15 23 15h10c.553 0 1 .448 1 1s-.447 1-1 1H23c-3.144 0-4.011 4.154-4.02 4.196l-2.021 6.838c-.129.435-.527.716-.959.716z"/><path fill="#3E721D" d="M2.001 29c-.042 0-.083-.003-.125-.008-.548-.068-.937-.568-.868-1.116l1-8c.068-.549.569-.936 1.116-.868.548.068.937.568.868 1.116l-1 8c-.063.506-.494.876-.991.876z"/></g></svg>
AltText: tractor
Placement: before-question
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IconSize: 36
Layout: icon-badge
Placement: before-question
Items: [{"ref":"twemoji:1f69c","name":"tractor","count":1,"role":"badge"}]

Rule: x - 3. Find the missing output.

Show answer

Answer: 6

Rule
x - 3
Table
  • {"input":3,"output":0,"blank":false}
  • {"input":1,"output":0,"blank":false}
  • {"input":9,"output":null,"blank":true}
  • {"input":5,"output":2,"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="#A0041E" d="M1 17l8-7 16 1 1 16-7 8s.001-5.999-6-12-12-6-12-6z"/><path fill="#FFAC33" d="M.973 35s-.036-7.979 2.985-11S15 21.187 15 21.187 14.999 29 11.999 32c-3 3-11.026 3-11.026 3z"/><circle fill="#FFCC4D" cx="8.999" cy="27" r="4"/><path fill="#55ACEE" d="M35.999 0s-10 0-22 10c-6 5-6 14-4 16s11 2 16-4c10-12 10-22 10-22z"/><path d="M26.999 5c-1.623 0-3.013.971-3.641 2.36.502-.227 1.055-.36 1.641-.36 2.209 0 4 1.791 4 4 0 .586-.133 1.139-.359 1.64 1.389-.627 2.359-2.017 2.359-3.64 0-2.209-1.791-4-4-4z"/><path fill="#A0041E" d="M8 28s0-4 1-5 13.001-10.999 14-10-9.001 13-10.001 14S8 28 8 28z"/></g></svg>
AltText: rocket
Placement: before-question
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IconSize: 36
Layout: icon-badge
Placement: before-question
Items: [{"ref":"twemoji:1f680","name":"rocket","count":1,"role":"badge"}]

Rule: x × 3. Find the missing output.

Show answer

Answer: 3

Rule
x × 3
Table
  • {"input":2,"output":6,"blank":false}
  • {"input":5,"output":15,"blank":false}
  • {"input":1,"output":null,"blank":true}
  • {"input":12,"output":36,"blank":false}

Rule: x + 2. Find the missing output.

Show answer

Answer: 14

Rule
x + 2
Table
  • {"input":2,"output":4,"blank":false}
  • {"input":4,"output":6,"blank":false}
  • {"input":1,"output":3,"blank":false}
  • {"input":12,"output":null,"blank":true}

Rule: x - 1. Find the missing output.

Show answer

Answer: 11

Rule
x - 1
Table
  • {"input":11,"output":10,"blank":false}
  • {"input":8,"output":7,"blank":false}
  • {"input":12,"output":11,"blank":false}
  • {"input":12,"output":null,"blank":true}

Rule: x + 2. Find the missing output.

Show answer

Answer: 10

Rule
x + 2
Table
  • {"input":3,"output":5,"blank":false}
  • {"input":8,"output":null,"blank":true}
  • {"input":11,"output":13,"blank":false}
  • {"input":2,"output":4,"blank":false}

Rule: x - 2. Find the missing output.

Rule
x - 2
Table
  • {"input":1,"output":null,"blank":true}
  • {"input":6,"output":4,"blank":false}
  • {"input":6,"output":4,"blank":false}
  • {"input":9,"output":7,"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>
AltText: fire truck
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Placement: before-question
Items: [{"ref":"twemoji:1f692","name":"fire-truck","count":1,"role":"badge"}]

Rule: x × 3. Find the missing output.

Show answer

Answer: 36

Rule
x × 3
Table
  • {"input":12,"output":null,"blank":true}
  • {"input":12,"output":36,"blank":false}
  • {"input":1,"output":3,"blank":false}
  • {"input":4,"output":12,"blank":false}

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.