starter Set 9 Form Exercise

Find the missing number on the number line (13 to 39, step 1)

Show answer

Answer: 21

Start
13
End
39
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":true}
  • {"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}

Find the missing number on the number line (20 to 31, step 4)

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Answer: 24

Start
20
End
31
Step
4
Markers
  • {"value":20,"blank":false}
  • {"value":24,"blank":true}
  • {"value":28,"blank":false}

Find the missing number on the number line (11 to 16, step 1)

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Answer: 13

Start
11
End
16
Step
1
Markers
  • {"value":11,"blank":false}
  • {"value":12,"blank":false}
  • {"value":13,"blank":true}
  • {"value":14,"blank":false}
  • {"value":15,"blank":false}
  • {"value":16,"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="#AA8ED6" 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: purple square
Placement: before-question

Find the missing number on the number line (3 to 31, step 4)

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Answer: 7

Start
3
End
31
Step
4
Markers
  • {"value":3,"blank":false}
  • {"value":7,"blank":true}
  • {"value":11,"blank":false}
  • {"value":15,"blank":false}
  • {"value":19,"blank":false}
  • {"value":23,"blank":false}
  • {"value":27,"blank":false}
  • {"value":31,"blank":false}

Find the missing number on the number line (23 to 41, step 3)

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Answer: 23

Start
23
End
41
Step
3
Markers
  • {"value":23,"blank":true}
  • {"value":26,"blank":false}
  • {"value":29,"blank":false}
  • {"value":32,"blank":false}
  • {"value":35,"blank":false}
  • {"value":38,"blank":false}
  • {"value":41,"blank":false}

Find the missing number on the number line (7 to 25, step 1)

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Answer: 25

Start
7
End
25
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":true}

Find the missing number on the number line (20 to 32, step 2)

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Answer: 28

Start
20
End
32
Step
2
Markers
  • {"value":20,"blank":false}
  • {"value":22,"blank":false}
  • {"value":24,"blank":false}
  • {"value":26,"blank":false}
  • {"value":28,"blank":true}
  • {"value":30,"blank":false}
  • {"value":32,"blank":false}

Find the missing number on the number line (20 to 42, step 2)

Show answer

Answer: 24

Start
20
End
42
Step
2
Markers
  • {"value":20,"blank":false}
  • {"value":22,"blank":false}
  • {"value":24,"blank":true}
  • {"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":false}

Find the missing number on the number line (10 to 36, step 2)

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Answer: 24

Start
10
End
36
Step
2
Markers
  • {"value":10,"blank":false}
  • {"value":12,"blank":false}
  • {"value":14,"blank":false}
  • {"value":16,"blank":false}
  • {"value":18,"blank":false}
  • {"value":20,"blank":false}
  • {"value":22,"blank":false}
  • {"value":24,"blank":true}
  • {"value":26,"blank":false}
  • {"value":28,"blank":false}
  • {"value":30,"blank":false}
  • {"value":32,"blank":false}
  • {"value":34,"blank":false}
  • {"value":36,"blank":false}

Find the missing number on the number line (9 to 29, step 3)

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Answer: 21

Start
9
End
29
Step
3
Markers
  • {"value":9,"blank":false}
  • {"value":12,"blank":false}
  • {"value":15,"blank":false}
  • {"value":18,"blank":false}
  • {"value":21,"blank":true}
  • {"value":24,"blank":false}
  • {"value":27,"blank":false}

Find the missing number on the number line (2 to 13, step 4)

Show answer

Answer: 10

Start
2
End
13
Step
4
Markers
  • {"value":2,"blank":false}
  • {"value":6,"blank":false}
  • {"value":10,"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="#AA8ED6" 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: purple square
Placement: before-question

Find the missing number on the number line (12 to 19, step 2)

Show answer

Answer: 16

Start
12
End
19
Step
2
Markers
  • {"value":12,"blank":false}
  • {"value":14,"blank":false}
  • {"value":16,"blank":true}
  • {"value":18,"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)"><circle fill="#FDCB58" cx="18" cy="18" r="18"/></g></svg>
AltText: yellow circle
Placement: before-question

Find the missing number on the number line (0 to 26, step 1)

Show answer

Answer: 20

Start
0
End
26
Step
1
Markers
  • {"value":0,"blank":false}
  • {"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":true}
  • {"value":21,"blank":false}
  • {"value":22,"blank":false}
  • {"value":23,"blank":false}
  • {"value":24,"blank":false}
  • {"value":25,"blank":false}
  • {"value":26,"blank":false}

Find the missing number on the number line (17 to 22, step 4)

Show answer

Answer: 21

Start
17
End
22
Step
4
Markers
  • {"value":17,"blank":false}
  • {"value":21,"blank":true}

Find the missing number on the number line (14 to 31, step 2)

Show answer

Answer: 30

Start
14
End
31
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":true}

Find the missing number on the number line (0 to 26, step 3)

Show answer

Answer: 12

Start
0
End
26
Step
3
Markers
  • {"value":0,"blank":false}
  • {"value":3,"blank":false}
  • {"value":6,"blank":false}
  • {"value":9,"blank":false}
  • {"value":12,"blank":true}
  • {"value":15,"blank":false}
  • {"value":18,"blank":false}
  • {"value":21,"blank":false}
  • {"value":24,"blank":false}

Find the missing number on the number line (22 to 44, step 1)

Show answer

Answer: 38

Start
22
End
44
Step
1
Markers
  • {"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":true}
  • {"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 (14 to 42, step 3)

Show answer

Answer: 17

Start
14
End
42
Step
3
Markers
  • {"value":14,"blank":false}
  • {"value":17,"blank":true}
  • {"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}

Find the missing number on the number line (16 to 28, step 1)

Show answer

Answer: 21

Start
16
End
28
Step
1
Markers
  • {"value":16,"blank":false}
  • {"value":17,"blank":false}
  • {"value":18,"blank":false}
  • {"value":19,"blank":false}
  • {"value":20,"blank":false}
  • {"value":21,"blank":true}
  • {"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 (11 to 24, step 2)

Show answer

Answer: 13

Start
11
End
24
Step
2
Markers
  • {"value":11,"blank":false}
  • {"value":13,"blank":true}
  • {"value":15,"blank":false}
  • {"value":17,"blank":false}
  • {"value":19,"blank":false}
  • {"value":21,"blank":false}
  • {"value":23,"blank":false}