medium Set 89 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [59] → [_, _] → [14, 15, 15] → [5, _, _, 9]

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Answer: Row2[1]=29, Row2[2]=30, Row4[2]=9, Row4[3]=6

SubType
number-pyramid
Difficulty
medium
Levels
  • [59]
  • [29,30]
  • [14,15,15]
  • [5,9,6,9]
Base
  • 5
  • 9
  • 6
  • 9
TopValue
59
HiddenCells
  • {"r":1,"c":0,"v":29}
  • {"r":1,"c":1,"v":30}
  • {"r":3,"c":1,"v":9}
  • {"r":3,"c":2,"v":6}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [23, 17] → [12, 11, 6] → [4, _, _, _]

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Answer: Row4[4]=3, Row1[1]=40, Row4[3]=3, Row4[2]=8

SubType
number-pyramid
Difficulty
medium
Levels
  • [40]
  • [23,17]
  • [12,11,6]
  • [4,8,3,3]
Base
  • 4
  • 8
  • 3
  • 3
TopValue
40
HiddenCells
  • {"r":3,"c":3,"v":3}
  • {"r":0,"c":0,"v":40}
  • {"r":3,"c":2,"v":3}
  • {"r":3,"c":1,"v":8}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [44] → [16, _] → [_, 11, 17] → [_, _, 8, 9]

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Answer: Row3[1]=5, Row4[1]=2, Row4[2]=3, Row2[2]=28

SubType
number-pyramid
Difficulty
medium
Levels
  • [44]
  • [16,28]
  • [5,11,17]
  • [2,3,8,9]
Base
  • 2
  • 3
  • 8
  • 9
TopValue
44
HiddenCells
  • {"r":2,"c":0,"v":5}
  • {"r":3,"c":0,"v":2}
  • {"r":3,"c":1,"v":3}
  • {"r":1,"c":1,"v":28}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [13, 17] → [7, _, _] → [_, 2, 4, 7]

Show answer

Answer: Row1[1]=30, Row3[2]=6, Row4[1]=5, Row3[3]=11

SubType
number-pyramid
Difficulty
medium
Levels
  • [30]
  • [13,17]
  • [7,6,11]
  • [5,2,4,7]
Base
  • 5
  • 2
  • 4
  • 7
TopValue
30
HiddenCells
  • {"r":0,"c":0,"v":30}
  • {"r":2,"c":1,"v":6}
  • {"r":3,"c":0,"v":5}
  • {"r":2,"c":2,"v":11}