Workbook Detail
Number Line 1 20 Starter — Set 2
Find the missing number on the number line (20 to 26, step 2)
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Answer: 20
- Start
- 20
- End
- 26
- Step
- 2
- Markers
- {"value":20,"blank":true}
- {"value":22,"blank":false}
- {"value":24,"blank":false}
- {"value":26,"blank":false}
Find the missing number on the number line (11 to 38, step 1)
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Answer: 37
- Start
- 11
- End
- 38
- Step
- 1
- Markers
- {"value":11,"blank":false}
- {"value":12,"blank":false}
- {"value":13,"blank":false}
- {"value":14,"blank":false}
- {"value":15,"blank":false}
- {"value":16,"blank":false}
- {"value":17,"blank":false}
- {"value":18,"blank":false}
- {"value":19,"blank":false}
- {"value":20,"blank":false}
- {"value":21,"blank":false}
- {"value":22,"blank":false}
- {"value":23,"blank":false}
- {"value":24,"blank":false}
- {"value":25,"blank":false}
- {"value":26,"blank":false}
- {"value":27,"blank":false}
- {"value":28,"blank":false}
- {"value":29,"blank":false}
- {"value":30,"blank":false}
- {"value":31,"blank":false}
- {"value":32,"blank":false}
- {"value":33,"blank":false}
- {"value":34,"blank":false}
- {"value":35,"blank":false}
- {"value":36,"blank":false}
- {"value":37,"blank":true}
- {"value":38,"blank":false}
Find the missing number on the number line (13 to 20, step 2)
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Answer: 17
- Start
- 13
- End
- 20
- Step
- 2
- Markers
- {"value":13,"blank":false}
- {"value":15,"blank":false}
- {"value":17,"blank":true}
- {"value":19,"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)"><circle fill="#C1694F" cx="18" cy="18" r="18"/></g></svg>AltText: brown circlePlacement: before-question
- VisualToken
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Find the missing number on the number line (14 to 38, step 2)
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Answer: 38
- Start
- 14
- End
- 38
- Step
- 2
- Markers
- {"value":14,"blank":false}
- {"value":16,"blank":false}
- {"value":18,"blank":false}
- {"value":20,"blank":false}
- {"value":22,"blank":false}
- {"value":24,"blank":false}
- {"value":26,"blank":false}
- {"value":28,"blank":false}
- {"value":30,"blank":false}
- {"value":32,"blank":false}
- {"value":34,"blank":false}
- {"value":36,"blank":false}
- {"value":38,"blank":true}
Find the missing number on the number line (9 to 22, step 4)
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Answer: 21
- Start
- 9
- End
- 22
- Step
- 4
- Markers
- {"value":9,"blank":false}
- {"value":13,"blank":false}
- {"value":17,"blank":false}
- {"value":21,"blank":true}
Find the missing number on the number line (10 to 22, step 2)
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Answer: 16
- Start
- 10
- End
- 22
- Step
- 2
- Markers
- {"value":10,"blank":false}
- {"value":12,"blank":false}
- {"value":14,"blank":false}
- {"value":16,"blank":true}
- {"value":18,"blank":false}
- {"value":20,"blank":false}
- {"value":22,"blank":false}
Find the missing number on the number line (19 to 32, step 3)
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Answer: 31
- Start
- 19
- End
- 32
- Step
- 3
- Markers
- {"value":19,"blank":false}
- {"value":22,"blank":false}
- {"value":25,"blank":false}
- {"value":28,"blank":false}
- {"value":31,"blank":true}
Find the missing number on the number line (11 to 35, step 3)
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Answer: 20
- Start
- 11
- End
- 35
- Step
- 3
- Markers
- {"value":11,"blank":false}
- {"value":14,"blank":false}
- {"value":17,"blank":false}
- {"value":20,"blank":true}
- {"value":23,"blank":false}
- {"value":26,"blank":false}
- {"value":29,"blank":false}
- {"value":32,"blank":false}
- {"value":35,"blank":false}
Find the missing number on the number line (1 to 16, step 3)
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Answer: 13
- Start
- 1
- End
- 16
- Step
- 3
- Markers
- {"value":1,"blank":false}
- {"value":4,"blank":false}
- {"value":7,"blank":false}
- {"value":10,"blank":false}
- {"value":13,"blank":true}
- {"value":16,"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 32c0 2.209-1.791 4-4 4H4c-2.209 0-4-1.791-4-4V4c0-2.209 1.791-4 4-4h28c2.209 0 4 1.791 4 4v28z"/></g></svg>AltText: red squarePlacement: before-question
- VisualToken
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Find the missing number on the number line (2 to 24, step 4)
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Answer: 22
- Start
- 2
- End
- 24
- Step
- 4
- Markers
- {"value":2,"blank":false}
- {"value":6,"blank":false}
- {"value":10,"blank":false}
- {"value":14,"blank":false}
- {"value":18,"blank":false}
- {"value":22,"blank":true}
Find the missing number on the number line (1 to 28, step 4)
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Answer: 5
- Start
- 1
- End
- 28
- Step
- 4
- Markers
- {"value":1,"blank":false}
- {"value":5,"blank":true}
- {"value":9,"blank":false}
- {"value":13,"blank":false}
- {"value":17,"blank":false}
- {"value":21,"blank":false}
- {"value":25,"blank":false}
Find the missing number on the number line (5 to 32, step 3)
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Answer: 8
- Start
- 5
- End
- 32
- Step
- 3
- Markers
- {"value":5,"blank":false}
- {"value":8,"blank":true}
- {"value":11,"blank":false}
- {"value":14,"blank":false}
- {"value":17,"blank":false}
- {"value":20,"blank":false}
- {"value":23,"blank":false}
- {"value":26,"blank":false}
- {"value":29,"blank":false}
- {"value":32,"blank":false}
Find the missing number on the number line (4 to 27, step 4)
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Answer: 20
- Start
- 4
- End
- 27
- Step
- 4
- Markers
- {"value":4,"blank":false}
- {"value":8,"blank":false}
- {"value":12,"blank":false}
- {"value":16,"blank":false}
- {"value":20,"blank":true}
- {"value":24,"blank":false}
Find the missing number on the number line (1 to 29, step 1)
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Answer: 24
- Start
- 1
- End
- 29
- Step
- 1
- Markers
- {"value":1,"blank":false}
- {"value":2,"blank":false}
- {"value":3,"blank":false}
- {"value":4,"blank":false}
- {"value":5,"blank":false}
- {"value":6,"blank":false}
- {"value":7,"blank":false}
- {"value":8,"blank":false}
- {"value":9,"blank":false}
- {"value":10,"blank":false}
- {"value":11,"blank":false}
- {"value":12,"blank":false}
- {"value":13,"blank":false}
- {"value":14,"blank":false}
- {"value":15,"blank":false}
- {"value":16,"blank":false}
- {"value":17,"blank":false}
- {"value":18,"blank":false}
- {"value":19,"blank":false}
- {"value":20,"blank":false}
- {"value":21,"blank":false}
- {"value":22,"blank":false}
- {"value":23,"blank":false}
- {"value":24,"blank":true}
- {"value":25,"blank":false}
- {"value":26,"blank":false}
- {"value":27,"blank":false}
- {"value":28,"blank":false}
- {"value":29,"blank":false}
Find the missing number on the number line (19 to 45, step 4)
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Answer: 43
- Start
- 19
- End
- 45
- Step
- 4
- Markers
- {"value":19,"blank":false}
- {"value":23,"blank":false}
- {"value":27,"blank":false}
- {"value":31,"blank":false}
- {"value":35,"blank":false}
- {"value":39,"blank":false}
- {"value":43,"blank":true}
Find the missing number on the number line (2 to 18, step 1)
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Answer: 5
- Start
- 2
- End
- 18
- Step
- 1
- Markers
- {"value":2,"blank":false}
- {"value":3,"blank":false}
- {"value":4,"blank":false}
- {"value":5,"blank":true}
- {"value":6,"blank":false}
- {"value":7,"blank":false}
- {"value":8,"blank":false}
- {"value":9,"blank":false}
- {"value":10,"blank":false}
- {"value":11,"blank":false}
- {"value":12,"blank":false}
- {"value":13,"blank":false}
- {"value":14,"blank":false}
- {"value":15,"blank":false}
- {"value":16,"blank":false}
- {"value":17,"blank":false}
- {"value":18,"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="#FFAC33" d="M27.287 34.627c-.404 0-.806-.124-1.152-.371L18 28.422l-8.135 5.834c-.693.496-1.623.496-2.312-.008-.689-.499-.979-1.385-.721-2.194l3.034-9.792-8.062-5.681c-.685-.505-.97-1.393-.708-2.203.264-.808 1.016-1.357 1.866-1.363L12.947 13l3.179-9.549c.268-.809 1.023-1.353 1.874-1.353.851 0 1.606.545 1.875 1.353L23 13l10.036.015c.853.006 1.606.556 1.867 1.363.263.81-.022 1.698-.708 2.203l-8.062 5.681 3.034 9.792c.26.809-.033 1.695-.72 2.194-.347.254-.753.379-1.16.379z"/></g></svg>AltText: starPlacement: before-question
- VisualToken
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Find the missing number on the number line (23 to 51, step 4)
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Answer: 51
- Start
- 23
- End
- 51
- Step
- 4
- Markers
- {"value":23,"blank":false}
- {"value":27,"blank":false}
- {"value":31,"blank":false}
- {"value":35,"blank":false}
- {"value":39,"blank":false}
- {"value":43,"blank":false}
- {"value":47,"blank":false}
- {"value":51,"blank":true}
Find the missing number on the number line (8 to 27, step 4)
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Answer: 24
- Start
- 8
- End
- 27
- Step
- 4
- Markers
- {"value":8,"blank":false}
- {"value":12,"blank":false}
- {"value":16,"blank":false}
- {"value":20,"blank":false}
- {"value":24,"blank":true}
Find the missing number on the number line (5 to 19, step 4)
Show answer
Answer: 9
- Start
- 5
- End
- 19
- Step
- 4
- Markers
- {"value":5,"blank":false}
- {"value":9,"blank":true}
- {"value":13,"blank":false}
- {"value":17,"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="#AA8ED6" d="M35.885 11.833c0-5.45-4.418-9.868-9.867-9.868-3.308 0-6.227 1.633-8.018 4.129-1.791-2.496-4.71-4.129-8.017-4.129-5.45 0-9.868 4.417-9.868 9.868 0 .772.098 1.52.266 2.241C1.751 22.587 11.216 31.568 18 34.034c6.783-2.466 16.249-11.447 17.617-19.959.17-.721.268-1.469.268-2.242z"/></g></svg>AltText: heart purplePlacement: before-question
- VisualToken
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Find the missing number on the number line (8 to 23, step 1)
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Answer: 10
- Start
- 8
- End
- 23
- Step
- 1
- Markers
- {"value":8,"blank":false}
- {"value":9,"blank":false}
- {"value":10,"blank":true}
- {"value":11,"blank":false}
- {"value":12,"blank":false}
- {"value":13,"blank":false}
- {"value":14,"blank":false}
- {"value":15,"blank":false}
- {"value":16,"blank":false}
- {"value":17,"blank":false}
- {"value":18,"blank":false}
- {"value":19,"blank":false}
- {"value":20,"blank":false}
- {"value":21,"blank":false}
- {"value":22,"blank":false}
- {"value":23,"blank":false}
Teaching Notes
Practice number line 1 20 with free printable worksheets. Uniquely generated — reinforce key math skills with every set.
Frequently Asked Questions
How do I use this Number Line 1 20 Starter 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?
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