expert Set 1 Form Exercise

Find the missing number on the number line (15 to 21, step 1)

Show answer

Answer: 18

Start
15
End
21
Step
1
Markers
  • {"value":15,"blank":false}
  • {"value":16,"blank":false}
  • {"value":17,"blank":false}
  • {"value":18,"blank":true}
  • {"value":19,"blank":false}
  • {"value":20,"blank":false}
  • {"value":21,"blank":false}

Find the missing number on the number line (16 to 43, step 3)

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Answer: 40

Start
16
End
43
Step
3
Markers
  • {"value":16,"blank":false}
  • {"value":19,"blank":false}
  • {"value":22,"blank":false}
  • {"value":25,"blank":false}
  • {"value":28,"blank":false}
  • {"value":31,"blank":false}
  • {"value":34,"blank":false}
  • {"value":37,"blank":false}
  • {"value":40,"blank":true}
  • {"value":43,"blank":false}

Find the missing number on the number line (19 to 33, step 2)

Show answer

Answer: 31

Start
19
End
33
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":true}
  • {"value":33,"blank":false}

Find the missing number on the number line (1 to 19, step 2)

Show answer

Answer: 9

Start
1
End
19
Step
2
Markers
  • {"value":1,"blank":false}
  • {"value":3,"blank":false}
  • {"value":5,"blank":false}
  • {"value":7,"blank":false}
  • {"value":9,"blank":true}
  • {"value":11,"blank":false}
  • {"value":13,"blank":false}
  • {"value":15,"blank":false}
  • {"value":17,"blank":false}
  • {"value":19,"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="#FDCB58" 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 yellow
Placement: before-question
VisualToken
Type: asset-ref
EffectiveProvider: twemoji
RequestedProvider: twemoji
IconSize: 36
Layout: icon-badge
Placement: before-question
Items: [{"ref":"twemoji:1f49b","name":"heart-yellow","count":1,"role":"badge"}]

Find the missing number on the number line (10 to 17, step 4)

Show answer

Answer: 14

Start
10
End
17
Step
4
Markers
  • {"value":10,"blank":false}
  • {"value":14,"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="#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: star
Placement: before-question
VisualToken
Type: asset-ref
EffectiveProvider: twemoji
RequestedProvider: twemoji
IconSize: 36
Layout: icon-badge
Placement: before-question
Items: [{"ref":"twemoji:2b50","name":"star","count":1,"role":"badge"}]

Find the missing number on the number line (6 to 19, step 3)

Show answer

Answer: 9

Start
6
End
19
Step
3
Markers
  • {"value":6,"blank":false}
  • {"value":9,"blank":true}
  • {"value":12,"blank":false}
  • {"value":15,"blank":false}
  • {"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)"><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 square
Placement: before-question
VisualToken
Type: asset-ref
EffectiveProvider: twemoji
RequestedProvider: twemoji
IconSize: 36
Layout: icon-badge
Placement: before-question
Items: [{"ref":"twemoji:1f7e6","name":"blue-square","count":1,"role":"badge"}]

Find the missing number on the number line (14 to 24, step 2)

Show answer

Answer: 22

Start
14
End
24
Step
2
Markers
  • {"value":14,"blank":false}
  • {"value":16,"blank":false}
  • {"value":18,"blank":false}
  • {"value":20,"blank":false}
  • {"value":22,"blank":true}
  • {"value":24,"blank":false}

Find the missing number on the number line (14 to 28, step 2)

Show answer

Answer: 16

Start
14
End
28
Step
2
Markers
  • {"value":14,"blank":false}
  • {"value":16,"blank":true}
  • {"value":18,"blank":false}
  • {"value":20,"blank":false}
  • {"value":22,"blank":false}
  • {"value":24,"blank":false}
  • {"value":26,"blank":false}
  • {"value":28,"blank":false}

Find the missing number on the number line (4 to 19, step 2)

Show answer

Answer: 6

Start
4
End
19
Step
2
Markers
  • {"value":4,"blank":false}
  • {"value":6,"blank":true}
  • {"value":8,"blank":false}
  • {"value":10,"blank":false}
  • {"value":12,"blank":false}
  • {"value":14,"blank":false}
  • {"value":16,"blank":false}
  • {"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)"><path fill="#C1694F" 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: brown square
Placement: before-question
VisualToken
Type: asset-ref
EffectiveProvider: twemoji
RequestedProvider: twemoji
IconSize: 36
Layout: icon-badge
Placement: before-question
Items: [{"ref":"twemoji:1f7eb","name":"brown-square","count":1,"role":"badge"}]

Find the missing number on the number line (10 to 37, step 4)

Show answer

Answer: 18

Start
10
End
37
Step
4
Markers
  • {"value":10,"blank":false}
  • {"value":14,"blank":false}
  • {"value":18,"blank":true}
  • {"value":22,"blank":false}
  • {"value":26,"blank":false}
  • {"value":30,"blank":false}
  • {"value":34,"blank":false}

Find the missing number on the number line (12 to 23, step 2)

Show answer

Answer: 16

Start
12
End
23
Step
2
Markers
  • {"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 (9 to 26, step 4)

Show answer

Answer: 25

Start
9
End
26
Step
4
Markers
  • {"value":9,"blank":false}
  • {"value":13,"blank":false}
  • {"value":17,"blank":false}
  • {"value":21,"blank":false}
  • {"value":25,"blank":true}

Find the missing number on the number line (0 to 12, step 4)

Show answer

Answer: 4

Start
0
End
12
Step
4
Markers
  • {"value":0,"blank":false}
  • {"value":4,"blank":true}
  • {"value":8,"blank":false}
  • {"value":12,"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="#78B159" 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 green
Placement: before-question
VisualToken
Type: asset-ref
EffectiveProvider: twemoji
RequestedProvider: twemoji
IconSize: 36
Layout: icon-badge
Placement: before-question
Items: [{"ref":"twemoji:1f49a","name":"heart-green","count":1,"role":"badge"}]

Find the missing number on the number line (9 to 24, step 4)

Show answer

Answer: 9

Start
9
End
24
Step
4
Markers
  • {"value":9,"blank":true}
  • {"value":13,"blank":false}
  • {"value":17,"blank":false}
  • {"value":21,"blank":false}

Find the missing number on the number line (18 to 30, step 4)

Show answer

Answer: 18

Start
18
End
30
Step
4
Markers
  • {"value":18,"blank":true}
  • {"value":22,"blank":false}
  • {"value":26,"blank":false}
  • {"value":30,"blank":false}

Find the missing number on the number line (21 to 28, step 3)

Show answer

Answer: 21

Start
21
End
28
Step
3
Markers
  • {"value":21,"blank":true}
  • {"value":24,"blank":false}
  • {"value":27,"blank":false}

Find the missing number on the number line (7 to 35, step 3)

Show answer

Answer: 34

Start
7
End
35
Step
3
Markers
  • {"value":7,"blank":false}
  • {"value":10,"blank":false}
  • {"value":13,"blank":false}
  • {"value":16,"blank":false}
  • {"value":19,"blank":false}
  • {"value":22,"blank":false}
  • {"value":25,"blank":false}
  • {"value":28,"blank":false}
  • {"value":31,"blank":false}
  • {"value":34,"blank":true}

Find the missing number on the number line (7 to 25, step 2)

Show answer

Answer: 19

Start
7
End
25
Step
2
Markers
  • {"value":7,"blank":false}
  • {"value":9,"blank":false}
  • {"value":11,"blank":false}
  • {"value":13,"blank":false}
  • {"value":15,"blank":false}
  • {"value":17,"blank":false}
  • {"value":19,"blank":true}
  • {"value":21,"blank":false}
  • {"value":23,"blank":false}
  • {"value":25,"blank":false}

Find the missing number on the number line (9 to 25, step 4)

Show answer

Answer: 17

Start
9
End
25
Step
4
Markers
  • {"value":9,"blank":false}
  • {"value":13,"blank":false}
  • {"value":17,"blank":true}
  • {"value":21,"blank":false}
  • {"value":25,"blank":false}

Find the missing number on the number line (11 to 17, step 4)

Show answer

Answer: 11

Start
11
End
17
Step
4
Markers
  • {"value":11,"blank":true}
  • {"value":15,"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="#FFAC33" d="M28.84 17.638c-.987 1.044-1.633 3.067-1.438 4.493l.892 6.441c.197 1.427-.701 2.087-1.996 1.469l-5.851-2.796c-1.295-.62-3.408-.611-4.7.018l-5.826 2.842c-1.291.629-2.193-.026-2.007-1.452l.843-6.449c.186-1.427-.475-3.444-1.47-4.481l-4.494-4.688c-.996-1.037-.655-2.102.755-2.365l6.37-1.188c1.41-.263 3.116-1.518 3.793-2.789L16.762.956c.675-1.271 1.789-1.274 2.473-.009L22.33 6.66c.686 1.265 2.4 2.507 3.814 2.758l6.378 1.141c1.412.252 1.761 1.314.774 2.359l-4.456 4.72z"/><path fill="#FFD983" d="M9.783 2.181c1.023 1.413 2.446 4.917 1.717 5.447-.728.531-3.607-1.91-4.63-3.323-1.022-1.413-.935-2.668-.131-3.254.804-.587 2.02-.282 3.044 1.13zm19.348 2.124C28.109 5.718 25.23 8.16 24.5 7.627c-.729-.53.695-4.033 1.719-5.445C27.242.768 28.457.463 29.262 1.051c.803.586.89 1.841-.131 3.254zM16.625 33.291c-.001-1.746.898-5.421 1.801-5.421.897 0 1.798 3.675 1.797 5.42 0 1.747-.804 2.712-1.8 2.71-.994.002-1.798-.962-1.798-2.709zm16.179-9.262c-1.655-.539-4.858-2.533-4.579-3.395.277-.858 4.037-.581 5.69-.041 1.655.54 2.321 1.605 2.013 2.556-.308.95-1.469 1.42-3.124.88zM2.083 20.594c1.655-.54 5.414-.817 5.694.044.276.857-2.928 2.854-4.581 3.392-1.654.54-2.818.07-3.123-.88-.308-.95.354-2.015 2.01-2.556z"/></g></svg>
AltText: glowing star
Placement: before-question
VisualToken
Type: asset-ref
EffectiveProvider: twemoji
RequestedProvider: twemoji
IconSize: 36
Layout: icon-badge
Placement: before-question
Items: [{"ref":"twemoji:1f31f","name":"glowing-star","count":1,"role":"badge"}]