hard Set 13 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [89] → [46, _] → [_, 22, _] → [_, _, 12, 9] → [_, 6, _, _, 1]

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Answer: Row2[2]=43, Row3[3]=21, Row5[3]=4, Row3[1]=24, Row4[1]=14, Row4[2]=10, Row5[1]=8, Row5[4]=8

SubType
number-pyramid
Difficulty
hard
Levels
  • [89]
  • [46,43]
  • [24,22,21]
  • [14,10,12,9]
  • [8,6,4,8,1]
Base
  • 8
  • 6
  • 4
  • 8
  • 1
TopValue
89
HiddenCells
  • {"r":1,"c":1,"v":43}
  • {"r":2,"c":2,"v":21}
  • {"r":4,"c":2,"v":4}
  • {"r":2,"c":0,"v":24}
  • {"r":3,"c":0,"v":14}
  • {"r":3,"c":1,"v":10}
  • {"r":4,"c":0,"v":8}
  • {"r":4,"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): [_] → [_, 61] → [33, 34, 27] → [_, _, _, _] → [_, 8, 10, _, 5]

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Answer: Row4[1]=15, Row5[4]=6, Row4[2]=18, Row4[3]=16, Row4[4]=11, Row5[1]=7, Row2[1]=67, Row1[1]=128

SubType
number-pyramid
Difficulty
hard
Levels
  • [128]
  • [67,61]
  • [33,34,27]
  • [15,18,16,11]
  • [7,8,10,6,5]
Base
  • 7
  • 8
  • 10
  • 6
  • 5
TopValue
128
HiddenCells
  • {"r":3,"c":0,"v":15}
  • {"r":4,"c":3,"v":6}
  • {"r":3,"c":1,"v":18}
  • {"r":3,"c":2,"v":16}
  • {"r":3,"c":3,"v":11}
  • {"r":4,"c":0,"v":7}
  • {"r":1,"c":0,"v":67}
  • {"r":0,"c":0,"v":128}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [37, 40] → [_, 16, 24] → [_, _, _, 15] → [10, _, 3, _, _]

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Answer: Row5[2]=4, Row3[1]=21, Row1[1]=77, Row4[1]=14, Row4[2]=7, Row5[5]=9, Row4[3]=9, Row5[4]=6

SubType
number-pyramid
Difficulty
hard
Levels
  • [77]
  • [37,40]
  • [21,16,24]
  • [14,7,9,15]
  • [10,4,3,6,9]
Base
  • 10
  • 4
  • 3
  • 6
  • 9
TopValue
77
HiddenCells
  • {"r":4,"c":1,"v":4}
  • {"r":2,"c":0,"v":21}
  • {"r":0,"c":0,"v":77}
  • {"r":3,"c":0,"v":14}
  • {"r":3,"c":1,"v":7}
  • {"r":4,"c":4,"v":9}
  • {"r":3,"c":2,"v":9}
  • {"r":4,"c":3,"v":6}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [31, 36] → [_, 18, 18] → [_, _, _, 9] → [_, _, 8, _, 8]

Show answer

Answer: Row3[1]=13, Row4[3]=9, Row4[2]=9, Row5[4]=1, Row4[1]=4, Row5[1]=3, Row1[1]=67, Row5[2]=1

SubType
number-pyramid
Difficulty
hard
Levels
  • [67]
  • [31,36]
  • [13,18,18]
  • [4,9,9,9]
  • [3,1,8,1,8]
Base
  • 3
  • 1
  • 8
  • 1
  • 8
TopValue
67
HiddenCells
  • {"r":2,"c":0,"v":13}
  • {"r":3,"c":2,"v":9}
  • {"r":3,"c":1,"v":9}
  • {"r":4,"c":3,"v":1}
  • {"r":3,"c":0,"v":4}
  • {"r":4,"c":0,"v":3}
  • {"r":0,"c":0,"v":67}
  • {"r":4,"c":1,"v":1}