hard Set 87 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [58] → [33, 25] → [20, _, 12] → [_, _, _, 8] → [_, _, _, _, 5]

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Answer: Row5[1]=3, Row4[2]=9, Row4[3]=4, Row5[3]=1, Row5[2]=8, Row5[4]=3, Row3[2]=13, Row4[1]=11

SubType
number-pyramid
Difficulty
hard
Levels
  • [58]
  • [33,25]
  • [20,13,12]
  • [11,9,4,8]
  • [3,8,1,3,5]
Base
  • 3
  • 8
  • 1
  • 3
  • 5
TopValue
58
HiddenCells
  • {"r":4,"c":0,"v":3}
  • {"r":3,"c":1,"v":9}
  • {"r":3,"c":2,"v":4}
  • {"r":4,"c":2,"v":1}
  • {"r":4,"c":1,"v":8}
  • {"r":4,"c":3,"v":3}
  • {"r":2,"c":1,"v":13}
  • {"r":3,"c":0,"v":11}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [71] → [47, _] → [_, 15, 9] → [_, 12, 3, _] → [_, _, _, 1, _]

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Answer: Row5[2]=10, Row5[1]=10, Row5[5]=5, Row3[1]=32, Row5[3]=2, Row4[1]=20, Row2[2]=24, Row4[4]=6

SubType
number-pyramid
Difficulty
hard
Levels
  • [71]
  • [47,24]
  • [32,15,9]
  • [20,12,3,6]
  • [10,10,2,1,5]
Base
  • 10
  • 10
  • 2
  • 1
  • 5
TopValue
71
HiddenCells
  • {"r":4,"c":1,"v":10}
  • {"r":4,"c":0,"v":10}
  • {"r":4,"c":4,"v":5}
  • {"r":2,"c":0,"v":32}
  • {"r":4,"c":2,"v":2}
  • {"r":3,"c":0,"v":20}
  • {"r":1,"c":1,"v":24}
  • {"r":3,"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): [_] → [35, _] → [18, 17, _] → [9, _, 8, _] → [4, _, 4, _, _]

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Answer: Row5[2]=5, Row4[2]=9, Row4[4]=6, Row2[2]=31, Row3[3]=14, Row5[4]=4, Row1[1]=66, Row5[5]=2

SubType
number-pyramid
Difficulty
hard
Levels
  • [66]
  • [35,31]
  • [18,17,14]
  • [9,9,8,6]
  • [4,5,4,4,2]
Base
  • 4
  • 5
  • 4
  • 4
  • 2
TopValue
66
HiddenCells
  • {"r":4,"c":1,"v":5}
  • {"r":3,"c":1,"v":9}
  • {"r":3,"c":3,"v":6}
  • {"r":1,"c":1,"v":31}
  • {"r":2,"c":2,"v":14}
  • {"r":4,"c":3,"v":4}
  • {"r":0,"c":0,"v":66}
  • {"r":4,"c":4,"v":2}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [98] → [46, 52] → [_, 25, 27] → [10, _, _, _] → [5, _, _, _, _]

Show answer

Answer: Row4[2]=11, Row5[3]=6, Row4[4]=13, Row5[4]=8, Row4[3]=14, Row5[2]=5, Row5[5]=5, Row3[1]=21

SubType
number-pyramid
Difficulty
hard
Levels
  • [98]
  • [46,52]
  • [21,25,27]
  • [10,11,14,13]
  • [5,5,6,8,5]
Base
  • 5
  • 5
  • 6
  • 8
  • 5
TopValue
98
HiddenCells
  • {"r":3,"c":1,"v":11}
  • {"r":4,"c":2,"v":6}
  • {"r":3,"c":3,"v":13}
  • {"r":4,"c":3,"v":8}
  • {"r":3,"c":2,"v":14}
  • {"r":4,"c":1,"v":5}
  • {"r":4,"c":4,"v":5}
  • {"r":2,"c":0,"v":21}