medium Set 26 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [53] → [_, _] → [_, 15, 8] → [7, _, 7, 1]

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Answer: Row3[1]=15, Row4[2]=8, Row2[2]=23, Row2[1]=30

SubType
number-pyramid
Difficulty
medium
Levels
  • [53]
  • [30,23]
  • [15,15,8]
  • [7,8,7,1]
Base
  • 7
  • 8
  • 7
  • 1
TopValue
53
HiddenCells
  • {"r":2,"c":0,"v":15}
  • {"r":3,"c":1,"v":8}
  • {"r":1,"c":1,"v":23}
  • {"r":1,"c":0,"v":30}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [8, 13] → [_, 3, 10] → [_, 1, _, 8]

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Answer: Row4[1]=4, Row3[1]=5, Row1[1]=21, Row4[3]=2

SubType
number-pyramid
Difficulty
medium
Levels
  • [21]
  • [8,13]
  • [5,3,10]
  • [4,1,2,8]
Base
  • 4
  • 1
  • 2
  • 8
TopValue
21
HiddenCells
  • {"r":3,"c":0,"v":4}
  • {"r":2,"c":0,"v":5}
  • {"r":0,"c":0,"v":21}
  • {"r":3,"c":2,"v":2}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [21] → [7, _] → [3, _, 10] → [1, _, 2, _]

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Answer: Row4[2]=2, Row2[2]=14, Row3[2]=4, Row4[4]=8

SubType
number-pyramid
Difficulty
medium
Levels
  • [21]
  • [7,14]
  • [3,4,10]
  • [1,2,2,8]
Base
  • 1
  • 2
  • 2
  • 8
TopValue
21
HiddenCells
  • {"r":3,"c":1,"v":2}
  • {"r":1,"c":1,"v":14}
  • {"r":2,"c":1,"v":4}
  • {"r":3,"c":3,"v":8}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [57] → [28, _] → [_, _, 14] → [7, 6, 9, _]

Show answer

Answer: Row3[1]=13, Row3[2]=15, Row4[4]=5, Row2[2]=29

SubType
number-pyramid
Difficulty
medium
Levels
  • [57]
  • [28,29]
  • [13,15,14]
  • [7,6,9,5]
Base
  • 7
  • 6
  • 9
  • 5
TopValue
57
HiddenCells
  • {"r":2,"c":0,"v":13}
  • {"r":2,"c":1,"v":15}
  • {"r":3,"c":3,"v":5}
  • {"r":1,"c":1,"v":29}