hard Set 51 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 36] → [_, 18, 18] → [4, _, 11, _] → [_, 1, 6, _, _]

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Answer: Row4[4]=7, Row1[1]=65, Row5[4]=5, Row3[1]=11, Row5[5]=2, Row5[1]=3, Row2[1]=29, Row4[2]=7

SubType
number-pyramid
Difficulty
hard
Levels
  • [65]
  • [29,36]
  • [11,18,18]
  • [4,7,11,7]
  • [3,1,6,5,2]
Base
  • 3
  • 1
  • 6
  • 5
  • 2
TopValue
65
HiddenCells
  • {"r":3,"c":3,"v":7}
  • {"r":0,"c":0,"v":65}
  • {"r":4,"c":3,"v":5}
  • {"r":2,"c":0,"v":11}
  • {"r":4,"c":4,"v":2}
  • {"r":4,"c":0,"v":3}
  • {"r":1,"c":0,"v":29}
  • {"r":3,"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): [84] → [_, _] → [_, 22, 17] → [11, _, _, _] → [_, 5, _, 3, 4]

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Answer: Row2[2]=39, Row4[3]=10, Row3[1]=23, Row4[2]=12, Row5[3]=7, Row5[1]=6, Row4[4]=7, Row2[1]=45

SubType
number-pyramid
Difficulty
hard
Levels
  • [84]
  • [45,39]
  • [23,22,17]
  • [11,12,10,7]
  • [6,5,7,3,4]
Base
  • 6
  • 5
  • 7
  • 3
  • 4
TopValue
84
HiddenCells
  • {"r":1,"c":1,"v":39}
  • {"r":3,"c":2,"v":10}
  • {"r":2,"c":0,"v":23}
  • {"r":3,"c":1,"v":12}
  • {"r":4,"c":2,"v":7}
  • {"r":4,"c":0,"v":6}
  • {"r":3,"c":3,"v":7}
  • {"r":1,"c":0,"v":45}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [118] → [_, _] → [37, _, 23] → [_, 18, _, _] → [_, 10, 8, _, 9]

Show answer

Answer: Row5[4]=3, Row2[2]=52, Row4[1]=19, Row5[1]=9, Row4[3]=11, Row3[2]=29, Row4[4]=12, Row2[1]=66

SubType
number-pyramid
Difficulty
hard
Levels
  • [118]
  • [66,52]
  • [37,29,23]
  • [19,18,11,12]
  • [9,10,8,3,9]
Base
  • 9
  • 10
  • 8
  • 3
  • 9
TopValue
118
HiddenCells
  • {"r":4,"c":3,"v":3}
  • {"r":1,"c":1,"v":52}
  • {"r":3,"c":0,"v":19}
  • {"r":4,"c":0,"v":9}
  • {"r":3,"c":2,"v":11}
  • {"r":2,"c":1,"v":29}
  • {"r":3,"c":3,"v":12}
  • {"r":1,"c":0,"v":66}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [83] → [45, _] → [25, 20, _] → [_, 11, 9, _] → [_, _, _, 2, _]

Show answer

Answer: Row5[1]=10, Row4[1]=14, Row5[3]=7, Row3[3]=18, Row5[2]=4, Row4[4]=9, Row5[5]=7, Row2[2]=38

SubType
number-pyramid
Difficulty
hard
Levels
  • [83]
  • [45,38]
  • [25,20,18]
  • [14,11,9,9]
  • [10,4,7,2,7]
Base
  • 10
  • 4
  • 7
  • 2
  • 7
TopValue
83
HiddenCells
  • {"r":4,"c":0,"v":10}
  • {"r":3,"c":0,"v":14}
  • {"r":4,"c":2,"v":7}
  • {"r":2,"c":2,"v":18}
  • {"r":4,"c":1,"v":4}
  • {"r":3,"c":3,"v":9}
  • {"r":4,"c":4,"v":7}
  • {"r":1,"c":1,"v":38}