hard Set 97 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 44] → [23, _, 20] → [9, _, _, _] → [4, _, _, 1, 9]

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Answer: Row2[1]=47, Row5[3]=9, Row4[2]=14, Row4[4]=10, Row4[3]=10, Row5[2]=5, Row1[1]=91, Row3[2]=24

SubType
number-pyramid
Difficulty
hard
Levels
  • [91]
  • [47,44]
  • [23,24,20]
  • [9,14,10,10]
  • [4,5,9,1,9]
Base
  • 4
  • 5
  • 9
  • 1
  • 9
TopValue
91
HiddenCells
  • {"r":1,"c":0,"v":47}
  • {"r":4,"c":2,"v":9}
  • {"r":3,"c":1,"v":14}
  • {"r":3,"c":3,"v":10}
  • {"r":3,"c":2,"v":10}
  • {"r":4,"c":1,"v":5}
  • {"r":0,"c":0,"v":91}
  • {"r":2,"c":1,"v":24}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 22] → [_, 9, 13] → [_, _, _, _] → [_, 1, 3, 2, 6]

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Answer: Row1[1]=39, Row4[4]=8, Row2[1]=17, Row3[1]=8, Row4[1]=4, Row4[3]=5, Row5[1]=3, Row4[2]=4

SubType
number-pyramid
Difficulty
hard
Levels
  • [39]
  • [17,22]
  • [8,9,13]
  • [4,4,5,8]
  • [3,1,3,2,6]
Base
  • 3
  • 1
  • 3
  • 2
  • 6
TopValue
39
HiddenCells
  • {"r":0,"c":0,"v":39}
  • {"r":3,"c":3,"v":8}
  • {"r":1,"c":0,"v":17}
  • {"r":2,"c":0,"v":8}
  • {"r":3,"c":0,"v":4}
  • {"r":3,"c":2,"v":5}
  • {"r":4,"c":0,"v":3}
  • {"r":3,"c":1,"v":4}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [102] → [55, _] → [29, 26, _] → [_, 15, _, _] → [_, _, _, 2, 8]

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Answer: Row5[2]=6, Row4[1]=14, Row5[3]=9, Row3[3]=21, Row4[4]=10, Row4[3]=11, Row2[2]=47, Row5[1]=8

SubType
number-pyramid
Difficulty
hard
Levels
  • [102]
  • [55,47]
  • [29,26,21]
  • [14,15,11,10]
  • [8,6,9,2,8]
Base
  • 8
  • 6
  • 9
  • 2
  • 8
TopValue
102
HiddenCells
  • {"r":4,"c":1,"v":6}
  • {"r":3,"c":0,"v":14}
  • {"r":4,"c":2,"v":9}
  • {"r":2,"c":2,"v":21}
  • {"r":3,"c":3,"v":10}
  • {"r":3,"c":2,"v":11}
  • {"r":1,"c":1,"v":47}
  • {"r":4,"c":0,"v":8}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [69] → [_, 31] → [24, _, 17] → [_, 9, _, _] → [_, 7, 2, _, _]

Show answer

Answer: Row5[1]=8, Row4[3]=5, Row5[5]=9, Row4[4]=12, Row3[2]=14, Row5[4]=3, Row4[1]=15, Row2[1]=38

SubType
number-pyramid
Difficulty
hard
Levels
  • [69]
  • [38,31]
  • [24,14,17]
  • [15,9,5,12]
  • [8,7,2,3,9]
Base
  • 8
  • 7
  • 2
  • 3
  • 9
TopValue
69
HiddenCells
  • {"r":4,"c":0,"v":8}
  • {"r":3,"c":2,"v":5}
  • {"r":4,"c":4,"v":9}
  • {"r":3,"c":3,"v":12}
  • {"r":2,"c":1,"v":14}
  • {"r":4,"c":3,"v":3}
  • {"r":3,"c":0,"v":15}
  • {"r":1,"c":0,"v":38}