starter Set 30 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [10, 13] → [_, 4, 9]

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Answer: Row3[1]=6, Row1[1]=23

SubType
number-pyramid
Difficulty
starter
Levels
  • [23]
  • [10,13]
  • [6,4,9]
Base
  • 6
  • 4
  • 9
TopValue
23
HiddenCells
  • {"r":2,"c":0,"v":6}
  • {"r":0,"c":0,"v":23}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [28] → [14, 14] → [7, _, _]

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Answer: Row3[3]=7, Row3[2]=7

SubType
number-pyramid
Difficulty
starter
Levels
  • [28]
  • [14,14]
  • [7,7,7]
Base
  • 7
  • 7
  • 7
TopValue
28
HiddenCells
  • {"r":2,"c":2,"v":7}
  • {"r":2,"c":1,"v":7}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [16] → [_, _] → [10, 2, 2]

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Answer: Row2[1]=12, Row2[2]=4

SubType
number-pyramid
Difficulty
starter
Levels
  • [16]
  • [12,4]
  • [10,2,2]
Base
  • 10
  • 2
  • 2
TopValue
16
HiddenCells
  • {"r":1,"c":0,"v":12}
  • {"r":1,"c":1,"v":4}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [21] → [10, _] → [6, _, 7]

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Answer: Row2[2]=11, Row3[2]=4

SubType
number-pyramid
Difficulty
starter
Levels
  • [21]
  • [10,11]
  • [6,4,7]
Base
  • 6
  • 4
  • 7
TopValue
21
HiddenCells
  • {"r":1,"c":1,"v":11}
  • {"r":2,"c":1,"v":4}