Workbook Detail
Number Line 1 100 Hard — Set 1
Find the missing number on the number line (35 to 69, step 2)
Show answer
Answer: 51
- Start
- 35
- End
- 69
- Step
- 2
- Markers
- {"value":35,"blank":false}
- {"value":37,"blank":false}
- {"value":39,"blank":false}
- {"value":41,"blank":false}
- {"value":43,"blank":false}
- {"value":45,"blank":false}
- {"value":47,"blank":false}
- {"value":49,"blank":false}
- {"value":51,"blank":true}
- {"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}
- {"value":69,"blank":false}
Find the missing number on the number line (10 to 17, step 3)
Show answer
Answer: 10
- Start
- 10
- End
- 17
- Step
- 3
- Markers
- {"value":10,"blank":true}
- {"value":13,"blank":false}
- {"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="#F4900C" 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: orange squarePlacement: before-question
- VisualToken
- Type: asset-refEffectiveProvider: twemojiRequestedProvider: twemojiIconSize: 36Layout: icon-badgePlacement: before-questionItems: [{"ref":"twemoji:1f7e7","name":"orange-square","count":1,"role":"badge"}]
Find the missing number on the number line (26 to 31, step 3)
Show answer
Answer: 29
- Start
- 26
- End
- 31
- Step
- 3
- Markers
- {"value":26,"blank":false}
- {"value":29,"blank":true}
Find the missing number on the number line (49 to 59, step 3)
Show answer
Answer: 49
- Start
- 49
- End
- 59
- Step
- 3
- Markers
- {"value":49,"blank":true}
- {"value":52,"blank":false}
- {"value":55,"blank":false}
- {"value":58,"blank":false}
Find the missing number on the number line (44 to 77, step 2)
Show answer
Answer: 70
- Start
- 44
- End
- 77
- Step
- 2
- Markers
- {"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}
- {"value":62,"blank":false}
- {"value":64,"blank":false}
- {"value":66,"blank":false}
- {"value":68,"blank":false}
- {"value":70,"blank":true}
- {"value":72,"blank":false}
- {"value":74,"blank":false}
- {"value":76,"blank":false}
Find the missing number on the number line (27 to 56, step 4)
Show answer
Answer: 43
- Start
- 27
- End
- 56
- Step
- 4
- Markers
- {"value":27,"blank":false}
- {"value":31,"blank":false}
- {"value":35,"blank":false}
- {"value":39,"blank":false}
- {"value":43,"blank":true}
- {"value":47,"blank":false}
- {"value":51,"blank":false}
- {"value":55,"blank":false}
Find the missing number on the number line (19 to 53, step 2)
Show answer
Answer: 47
- Start
- 19
- End
- 53
- Step
- 2
- Markers
- {"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":false}
- {"value":43,"blank":false}
- {"value":45,"blank":false}
- {"value":47,"blank":true}
- {"value":49,"blank":false}
- {"value":51,"blank":false}
- {"value":53,"blank":false}
Find the missing number on the number line (7 to 41, step 1)
Show answer
Answer: 14
- Start
- 7
- End
- 41
- 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":true}
- {"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}
Find the missing number on the number line (15 to 44, step 1)
Show answer
Answer: 32
- Start
- 15
- End
- 44
- Step
- 1
- Markers
- {"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}
- {"value":43,"blank":false}
- {"value":44,"blank":false}
Find the missing number on the number line (43 to 93, step 2)
Show answer
Answer: 51
- Start
- 43
- End
- 93
- Step
- 2
- Markers
- {"value":43,"blank":false}
- {"value":45,"blank":false}
- {"value":47,"blank":false}
- {"value":49,"blank":false}
- {"value":51,"blank":true}
- {"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}
- {"value":69,"blank":false}
- {"value":71,"blank":false}
- {"value":73,"blank":false}
- {"value":75,"blank":false}
- {"value":77,"blank":false}
- {"value":79,"blank":false}
- {"value":81,"blank":false}
- {"value":83,"blank":false}
- {"value":85,"blank":false}
- {"value":87,"blank":false}
- {"value":89,"blank":false}
- {"value":91,"blank":false}
- {"value":93,"blank":false}
Find the missing number on the number line (21 to 54, step 1)
Show answer
Answer: 49
- Start
- 21
- End
- 54
- Step
- 1
- Markers
- {"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":false}
- {"value":44,"blank":false}
- {"value":45,"blank":false}
- {"value":46,"blank":false}
- {"value":47,"blank":false}
- {"value":48,"blank":false}
- {"value":49,"blank":true}
- {"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 (41 to 94, step 3)
Show answer
Answer: 92
- Start
- 41
- End
- 94
- Step
- 3
- Markers
- {"value":41,"blank":false}
- {"value":44,"blank":false}
- {"value":47,"blank":false}
- {"value":50,"blank":false}
- {"value":53,"blank":false}
- {"value":56,"blank":false}
- {"value":59,"blank":false}
- {"value":62,"blank":false}
- {"value":65,"blank":false}
- {"value":68,"blank":false}
- {"value":71,"blank":false}
- {"value":74,"blank":false}
- {"value":77,"blank":false}
- {"value":80,"blank":false}
- {"value":83,"blank":false}
- {"value":86,"blank":false}
- {"value":89,"blank":false}
- {"value":92,"blank":true}
Find the missing number on the number line (14 to 66, step 1)
Show answer
Answer: 25
- Start
- 14
- End
- 66
- Step
- 1
- Markers
- {"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":true}
- {"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":false}
- {"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}
- {"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}
Find the missing number on the number line (29 to 57, step 4)
Show answer
Answer: 33
- Start
- 29
- End
- 57
- Step
- 4
- Markers
- {"value":29,"blank":false}
- {"value":33,"blank":true}
- {"value":37,"blank":false}
- {"value":41,"blank":false}
- {"value":45,"blank":false}
- {"value":49,"blank":false}
- {"value":53,"blank":false}
- {"value":57,"blank":false}
Find the missing number on the number line (2 to 32, step 4)
Show answer
Answer: 26
- Start
- 2
- End
- 32
- 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":false}
- {"value":26,"blank":true}
- {"value":30,"blank":false}
Find the missing number on the number line (11 to 52, step 3)
Show answer
Answer: 47
- Start
- 11
- End
- 52
- Step
- 3
- Markers
- {"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}
- {"value":35,"blank":false}
- {"value":38,"blank":false}
- {"value":41,"blank":false}
- {"value":44,"blank":false}
- {"value":47,"blank":true}
- {"value":50,"blank":false}
Find the missing number on the number line (46 to 100, step 1)
Show answer
Answer: 56
- Start
- 46
- End
- 100
- Step
- 1
- Markers
- {"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}
- {"value":55,"blank":false}
- {"value":56,"blank":true}
- {"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}
- {"value":72,"blank":false}
- {"value":73,"blank":false}
- {"value":74,"blank":false}
- {"value":75,"blank":false}
- {"value":76,"blank":false}
- {"value":77,"blank":false}
- {"value":78,"blank":false}
- {"value":79,"blank":false}
- {"value":80,"blank":false}
- {"value":81,"blank":false}
- {"value":82,"blank":false}
- {"value":83,"blank":false}
- {"value":84,"blank":false}
- {"value":85,"blank":false}
- {"value":86,"blank":false}
- {"value":87,"blank":false}
- {"value":88,"blank":false}
- {"value":89,"blank":false}
- {"value":90,"blank":false}
- {"value":91,"blank":false}
- {"value":92,"blank":false}
- {"value":93,"blank":false}
- {"value":94,"blank":false}
- {"value":95,"blank":false}
- {"value":96,"blank":false}
- {"value":97,"blank":false}
- {"value":98,"blank":false}
- {"value":99,"blank":false}
- {"value":100,"blank":false}
Find the missing number on the number line (5 to 40, step 1)
Show answer
Answer: 25
- Start
- 5
- End
- 40
- Step
- 1
- Markers
- {"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":false}
- {"value":25,"blank":true}
- {"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}
Find the missing number on the number line (43 to 69, step 4)
Show answer
Answer: 67
- Start
- 43
- End
- 69
- Step
- 4
- Markers
- {"value":43,"blank":false}
- {"value":47,"blank":false}
- {"value":51,"blank":false}
- {"value":55,"blank":false}
- {"value":59,"blank":false}
- {"value":63,"blank":false}
- {"value":67,"blank":true}
Find the missing number on the number line (20 to 52, step 2)
Show answer
Answer: 40
- Start
- 20
- End
- 52
- Step
- 2
- Markers
- {"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":false}
- {"value":40,"blank":true}
- {"value":42,"blank":false}
- {"value":44,"blank":false}
- {"value":46,"blank":false}
- {"value":48,"blank":false}
- {"value":50,"blank":false}
- {"value":52,"blank":false}
Teaching Notes
Practice number line 1 100 with free printable worksheets. Uniquely generated — reinforce key math skills with every set.
Frequently Asked Questions
How do I use this Number Line 1 100 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.