Workbook Detail
Number Line 1 10 Hard — Set 3
Find the missing number on the number line (7 to 21, step 3)
Show answer
Answer: 7
- Start
- 7
- End
- 21
- Step
- 3
- Markers
- {"value":7,"blank":true}
- {"value":10,"blank":false}
- {"value":13,"blank":false}
- {"value":16,"blank":false}
- {"value":19,"blank":false}
Find the missing number on the number line (17 to 28, step 1)
Show answer
Answer: 18
- Start
- 17
- End
- 28
- Step
- 1
- Markers
- {"value":17,"blank":false}
- {"value":18,"blank":true}
- {"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}
Find the missing number on the number line (8 to 17, step 3)
Show answer
Answer: 8
- Start
- 8
- End
- 17
- Step
- 3
- Markers
- {"value":8,"blank":true}
- {"value":11,"blank":false}
- {"value":14,"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)"><circle fill="#FDCB58" cx="18" cy="18" r="18"/></g></svg>AltText: yellow circlePlacement: before-question
- VisualToken
- Type: asset-refEffectiveProvider: twemojiRequestedProvider: twemojiIconSize: 36Layout: icon-badgePlacement: before-questionItems: [{"ref":"twemoji:1f7e1","name":"yellow-circle","count":1,"role":"badge"}]
Find the missing number on the number line (15 to 39, step 2)
Show answer
Answer: 23
- Start
- 15
- End
- 39
- Step
- 2
- Markers
- {"value":15,"blank":false}
- {"value":17,"blank":false}
- {"value":19,"blank":false}
- {"value":21,"blank":false}
- {"value":23,"blank":true}
- {"value":25,"blank":false}
- {"value":27,"blank":false}
- {"value":29,"blank":false}
- {"value":31,"blank":false}
- {"value":33,"blank":false}
- {"value":35,"blank":false}
- {"value":37,"blank":false}
- {"value":39,"blank":false}
Find the missing number on the number line (17 to 67, step 2)
Show answer
Answer: 41
- Start
- 17
- End
- 67
- Step
- 2
- Markers
- {"value":17,"blank":false}
- {"value":19,"blank":false}
- {"value":21,"blank":false}
- {"value":23,"blank":false}
- {"value":25,"blank":false}
- {"value":27,"blank":false}
- {"value":29,"blank":false}
- {"value":31,"blank":false}
- {"value":33,"blank":false}
- {"value":35,"blank":false}
- {"value":37,"blank":false}
- {"value":39,"blank":false}
- {"value":41,"blank":true}
- {"value":43,"blank":false}
- {"value":45,"blank":false}
- {"value":47,"blank":false}
- {"value":49,"blank":false}
- {"value":51,"blank":false}
- {"value":53,"blank":false}
- {"value":55,"blank":false}
- {"value":57,"blank":false}
- {"value":59,"blank":false}
- {"value":61,"blank":false}
- {"value":63,"blank":false}
- {"value":65,"blank":false}
- {"value":67,"blank":false}
Find the missing number on the number line (16 to 27, step 2)
Show answer
Answer: 16
- Start
- 16
- End
- 27
- Step
- 2
- Markers
- {"value":16,"blank":true}
- {"value":18,"blank":false}
- {"value":20,"blank":false}
- {"value":22,"blank":false}
- {"value":24,"blank":false}
- {"value":26,"blank":false}
Find the missing number on the number line (34 to 51, step 4)
Show answer
Answer: 46
- Start
- 34
- End
- 51
- Step
- 4
- Markers
- {"value":34,"blank":false}
- {"value":38,"blank":false}
- {"value":42,"blank":false}
- {"value":46,"blank":true}
- {"value":50,"blank":false}
Find the missing number on the number line (2 to 38, step 4)
Show answer
Answer: 10
- Start
- 2
- End
- 38
- Step
- 4
- Markers
- {"value":2,"blank":false}
- {"value":6,"blank":false}
- {"value":10,"blank":true}
- {"value":14,"blank":false}
- {"value":18,"blank":false}
- {"value":22,"blank":false}
- {"value":26,"blank":false}
- {"value":30,"blank":false}
- {"value":34,"blank":false}
- {"value":38,"blank":false}
Find the missing number on the number line (26 to 60, step 2)
Show answer
Answer: 42
- Start
- 26
- End
- 60
- Step
- 2
- Markers
- {"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":false}
- {"value":40,"blank":false}
- {"value":42,"blank":true}
- {"value":44,"blank":false}
- {"value":46,"blank":false}
- {"value":48,"blank":false}
- {"value":50,"blank":false}
- {"value":52,"blank":false}
- {"value":54,"blank":false}
- {"value":56,"blank":false}
- {"value":58,"blank":false}
- {"value":60,"blank":false}
Find the missing number on the number line (3 to 16, step 4)
Show answer
Answer: 15
- Start
- 3
- End
- 16
- Step
- 4
- Markers
- {"value":3,"blank":false}
- {"value":7,"blank":false}
- {"value":11,"blank":false}
- {"value":15,"blank":true}
- 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="#55ACEE" 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: blue squarePlacement: before-question
- VisualToken
- Type: asset-refEffectiveProvider: twemojiRequestedProvider: twemojiIconSize: 36Layout: icon-badgePlacement: before-questionItems: [{"ref":"twemoji:1f7e6","name":"blue-square","count":1,"role":"badge"}]
Find the missing number on the number line (23 to 57, step 3)
Show answer
Answer: 53
- Start
- 23
- End
- 57
- Step
- 3
- Markers
- {"value":23,"blank":false}
- {"value":26,"blank":false}
- {"value":29,"blank":false}
- {"value":32,"blank":false}
- {"value":35,"blank":false}
- {"value":38,"blank":false}
- {"value":41,"blank":false}
- {"value":44,"blank":false}
- {"value":47,"blank":false}
- {"value":50,"blank":false}
- {"value":53,"blank":true}
- {"value":56,"blank":false}
Find the missing number on the number line (10 to 29, step 3)
Show answer
Answer: 22
- Start
- 10
- End
- 29
- Step
- 3
- Markers
- {"value":10,"blank":false}
- {"value":13,"blank":false}
- {"value":16,"blank":false}
- {"value":19,"blank":false}
- {"value":22,"blank":true}
- {"value":25,"blank":false}
- {"value":28,"blank":false}
Find the missing number on the number line (8 to 35, step 1)
Show answer
Answer: 28
- Start
- 8
- End
- 35
- Step
- 1
- Markers
- {"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":false}
- {"value":25,"blank":false}
- {"value":26,"blank":false}
- {"value":27,"blank":false}
- {"value":28,"blank":true}
- {"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}
Find the missing number on the number line (44 to 71, step 1)
Show answer
Answer: 54
- Start
- 44
- End
- 71
- Step
- 1
- Markers
- {"value":44,"blank":false}
- {"value":45,"blank":false}
- {"value":46,"blank":false}
- {"value":47,"blank":false}
- {"value":48,"blank":false}
- {"value":49,"blank":false}
- {"value":50,"blank":false}
- {"value":51,"blank":false}
- {"value":52,"blank":false}
- {"value":53,"blank":false}
- {"value":54,"blank":true}
- {"value":55,"blank":false}
- {"value":56,"blank":false}
- {"value":57,"blank":false}
- {"value":58,"blank":false}
- {"value":59,"blank":false}
- {"value":60,"blank":false}
- {"value":61,"blank":false}
- {"value":62,"blank":false}
- {"value":63,"blank":false}
- {"value":64,"blank":false}
- {"value":65,"blank":false}
- {"value":66,"blank":false}
- {"value":67,"blank":false}
- {"value":68,"blank":false}
- {"value":69,"blank":false}
- {"value":70,"blank":false}
- {"value":71,"blank":false}
Find the missing number on the number line (21 to 36, step 2)
Show answer
Answer: 25
- Start
- 21
- End
- 36
- Step
- 2
- Markers
- {"value":21,"blank":false}
- {"value":23,"blank":false}
- {"value":25,"blank":true}
- {"value":27,"blank":false}
- {"value":29,"blank":false}
- {"value":31,"blank":false}
- {"value":33,"blank":false}
- {"value":35,"blank":false}
Find the missing number on the number line (7 to 42, step 1)
Show answer
Answer: 32
- Start
- 7
- End
- 42
- Step
- 1
- Markers
- {"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":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":true}
- {"value":33,"blank":false}
- {"value":34,"blank":false}
- {"value":35,"blank":false}
- {"value":36,"blank":false}
- {"value":37,"blank":false}
- {"value":38,"blank":false}
- {"value":39,"blank":false}
- {"value":40,"blank":false}
- {"value":41,"blank":false}
- {"value":42,"blank":false}
Find the missing number on the number line (35 to 58, step 4)
Show answer
Answer: 35
- Start
- 35
- End
- 58
- Step
- 4
- Markers
- {"value":35,"blank":true}
- {"value":39,"blank":false}
- {"value":43,"blank":false}
- {"value":47,"blank":false}
- {"value":51,"blank":false}
- {"value":55,"blank":false}
Find the missing number on the number line (10 to 39, step 4)
Show answer
Answer: 30
- Start
- 10
- End
- 39
- Step
- 4
- Markers
- {"value":10,"blank":false}
- {"value":14,"blank":false}
- {"value":18,"blank":false}
- {"value":22,"blank":false}
- {"value":26,"blank":false}
- {"value":30,"blank":true}
- {"value":34,"blank":false}
- {"value":38,"blank":false}
Find the missing number on the number line (13 to 54, step 1)
Show answer
Answer: 43
- Start
- 13
- End
- 54
- Step
- 1
- Markers
- {"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":false}
- {"value":38,"blank":false}
- {"value":39,"blank":false}
- {"value":40,"blank":false}
- {"value":41,"blank":false}
- {"value":42,"blank":false}
- {"value":43,"blank":true}
- {"value":44,"blank":false}
- {"value":45,"blank":false}
- {"value":46,"blank":false}
- {"value":47,"blank":false}
- {"value":48,"blank":false}
- {"value":49,"blank":false}
- {"value":50,"blank":false}
- {"value":51,"blank":false}
- {"value":52,"blank":false}
- {"value":53,"blank":false}
- {"value":54,"blank":false}
Find the missing number on the number line (27 to 40, step 1)
Show answer
Answer: 28
- Start
- 27
- End
- 40
- Step
- 1
- Markers
- {"value":27,"blank":false}
- {"value":28,"blank":true}
- {"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":false}
- {"value":38,"blank":false}
- {"value":39,"blank":false}
- {"value":40,"blank":false}
Teaching Notes
Practice number line 1 10 with free printable worksheets. Uniquely generated — reinforce key math skills with every set.
Frequently Asked Questions
How do I use this Number Line 1 10 Hard 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.