hard Set 43 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [46] → [_, 20] → [_, _, 7] → [_, _, _, _] → [1, 4, 4, _, 1]

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Answer: Row4[4]=2, Row2[1]=26, Row4[2]=8, Row4[1]=5, Row3[1]=13, Row5[4]=1, Row3[2]=13, Row4[3]=5

SubType
number-pyramid
Difficulty
hard
Levels
  • [46]
  • [26,20]
  • [13,13,7]
  • [5,8,5,2]
  • [1,4,4,1,1]
Base
  • 1
  • 4
  • 4
  • 1
  • 1
TopValue
46
HiddenCells
  • {"r":3,"c":3,"v":2}
  • {"r":1,"c":0,"v":26}
  • {"r":3,"c":1,"v":8}
  • {"r":3,"c":0,"v":5}
  • {"r":2,"c":0,"v":13}
  • {"r":4,"c":3,"v":1}
  • {"r":2,"c":1,"v":13}
  • {"r":3,"c":2,"v":5}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [136] → [64, 72] → [28, _, 36] → [_, _, _, _] → [_, _, _, 8, 10]

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Answer: Row5[1]=2, Row4[1]=10, Row4[2]=18, Row5[3]=10, Row3[2]=36, Row4[4]=18, Row5[2]=8, Row4[3]=18

SubType
number-pyramid
Difficulty
hard
Levels
  • [136]
  • [64,72]
  • [28,36,36]
  • [10,18,18,18]
  • [2,8,10,8,10]
Base
  • 2
  • 8
  • 10
  • 8
  • 10
TopValue
136
HiddenCells
  • {"r":4,"c":0,"v":2}
  • {"r":3,"c":0,"v":10}
  • {"r":3,"c":1,"v":18}
  • {"r":4,"c":2,"v":10}
  • {"r":2,"c":1,"v":36}
  • {"r":3,"c":3,"v":18}
  • {"r":4,"c":1,"v":8}
  • {"r":3,"c":2,"v":18}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [_, _, 21] → [_, 10, _, _] → [2, 9, 1, 6, 8]

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Answer: Row3[2]=17, Row2[2]=38, Row3[1]=21, Row4[4]=14, Row4[3]=7, Row1[1]=76, Row4[1]=11, Row2[1]=38

SubType
number-pyramid
Difficulty
hard
Levels
  • [76]
  • [38,38]
  • [21,17,21]
  • [11,10,7,14]
  • [2,9,1,6,8]
Base
  • 2
  • 9
  • 1
  • 6
  • 8
TopValue
76
HiddenCells
  • {"r":2,"c":1,"v":17}
  • {"r":1,"c":1,"v":38}
  • {"r":2,"c":0,"v":21}
  • {"r":3,"c":3,"v":14}
  • {"r":3,"c":2,"v":7}
  • {"r":0,"c":0,"v":76}
  • {"r":3,"c":0,"v":11}
  • {"r":1,"c":0,"v":38}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [103] → [56, 47] → [_, _, 21] → [_, _, _, _] → [8, 8, _, _, 3]

Show answer

Answer: Row4[2]=14, Row3[1]=30, Row5[3]=6, Row5[4]=6, Row4[1]=16, Row3[2]=26, Row4[3]=12, Row4[4]=9

SubType
number-pyramid
Difficulty
hard
Levels
  • [103]
  • [56,47]
  • [30,26,21]
  • [16,14,12,9]
  • [8,8,6,6,3]
Base
  • 8
  • 8
  • 6
  • 6
  • 3
TopValue
103
HiddenCells
  • {"r":3,"c":1,"v":14}
  • {"r":2,"c":0,"v":30}
  • {"r":4,"c":2,"v":6}
  • {"r":4,"c":3,"v":6}
  • {"r":3,"c":0,"v":16}
  • {"r":2,"c":1,"v":26}
  • {"r":3,"c":2,"v":12}
  • {"r":3,"c":3,"v":9}