hard Set 45 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 23] → [22, _, 12] → [14, _, 3, _] → [_, _, 1, _, 7]

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Answer: Row4[2]=8, Row5[4]=2, Row5[2]=7, Row4[4]=9, Row3[2]=11, Row1[1]=56, Row2[1]=33, Row5[1]=7

SubType
number-pyramid
Difficulty
hard
Levels
  • [56]
  • [33,23]
  • [22,11,12]
  • [14,8,3,9]
  • [7,7,1,2,7]
Base
  • 7
  • 7
  • 1
  • 2
  • 7
TopValue
56
HiddenCells
  • {"r":3,"c":1,"v":8}
  • {"r":4,"c":3,"v":2}
  • {"r":4,"c":1,"v":7}
  • {"r":3,"c":3,"v":9}
  • {"r":2,"c":1,"v":11}
  • {"r":0,"c":0,"v":56}
  • {"r":1,"c":0,"v":33}
  • {"r":4,"c":0,"v":7}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [118] → [_, 51] → [_, _, _] → [20, _, 13, _] → [10, _, 7, _, 2]

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Answer: Row3[2]=30, Row5[4]=6, Row3[1]=37, Row3[3]=21, Row2[1]=67, Row4[2]=17, Row4[4]=8, Row5[2]=10

SubType
number-pyramid
Difficulty
hard
Levels
  • [118]
  • [67,51]
  • [37,30,21]
  • [20,17,13,8]
  • [10,10,7,6,2]
Base
  • 10
  • 10
  • 7
  • 6
  • 2
TopValue
118
HiddenCells
  • {"r":2,"c":1,"v":30}
  • {"r":4,"c":3,"v":6}
  • {"r":2,"c":0,"v":37}
  • {"r":2,"c":2,"v":21}
  • {"r":1,"c":0,"v":67}
  • {"r":3,"c":1,"v":17}
  • {"r":3,"c":3,"v":8}
  • {"r":4,"c":1,"v":10}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [39, 25] → [23, 16, _] → [_, _, 5, _] → [_, 7, 4, _, _]

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Answer: Row4[4]=4, Row5[5]=3, Row3[3]=9, Row5[4]=1, Row5[1]=5, Row4[1]=12, Row4[2]=11, Row1[1]=64

SubType
number-pyramid
Difficulty
hard
Levels
  • [64]
  • [39,25]
  • [23,16,9]
  • [12,11,5,4]
  • [5,7,4,1,3]
Base
  • 5
  • 7
  • 4
  • 1
  • 3
TopValue
64
HiddenCells
  • {"r":3,"c":3,"v":4}
  • {"r":4,"c":4,"v":3}
  • {"r":2,"c":2,"v":9}
  • {"r":4,"c":3,"v":1}
  • {"r":4,"c":0,"v":5}
  • {"r":3,"c":0,"v":12}
  • {"r":3,"c":1,"v":11}
  • {"r":0,"c":0,"v":64}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [109] → [_, _] → [_, 29, 23] → [_, _, _, 12] → [1, _, _, 2, 10]

Show answer

Answer: Row2[1]=57, Row4[1]=10, Row4[2]=18, Row4[3]=11, Row3[1]=28, Row5[2]=9, Row2[2]=52, Row5[3]=9

SubType
number-pyramid
Difficulty
hard
Levels
  • [109]
  • [57,52]
  • [28,29,23]
  • [10,18,11,12]
  • [1,9,9,2,10]
Base
  • 1
  • 9
  • 9
  • 2
  • 10
TopValue
109
HiddenCells
  • {"r":1,"c":0,"v":57}
  • {"r":3,"c":0,"v":10}
  • {"r":3,"c":1,"v":18}
  • {"r":3,"c":2,"v":11}
  • {"r":2,"c":0,"v":28}
  • {"r":4,"c":1,"v":9}
  • {"r":1,"c":1,"v":52}
  • {"r":4,"c":2,"v":9}