hard Set 86 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [121] → [_, _] → [_, _, 33] → [12, _, _, 13] → [10, _, 10, _, 3]

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Answer: Row2[1]=56, Row2[2]=65, Row5[2]=2, Row3[1]=24, Row3[2]=32, Row5[4]=10, Row4[2]=12, Row4[3]=20

SubType
number-pyramid
Difficulty
hard
Levels
  • [121]
  • [56,65]
  • [24,32,33]
  • [12,12,20,13]
  • [10,2,10,10,3]
Base
  • 10
  • 2
  • 10
  • 10
  • 3
TopValue
121
HiddenCells
  • {"r":1,"c":0,"v":56}
  • {"r":1,"c":1,"v":65}
  • {"r":4,"c":1,"v":2}
  • {"r":2,"c":0,"v":24}
  • {"r":2,"c":1,"v":32}
  • {"r":4,"c":3,"v":10}
  • {"r":3,"c":1,"v":12}
  • {"r":3,"c":2,"v":20}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [115] → [57, _] → [_, 27, _] → [16, 14, _, _] → [_, _, _, 8, 10]

Show answer

Answer: Row5[1]=7, Row4[3]=13, Row4[4]=18, Row3[1]=30, Row5[3]=5, Row3[3]=31, Row5[2]=9, Row2[2]=58

SubType
number-pyramid
Difficulty
hard
Levels
  • [115]
  • [57,58]
  • [30,27,31]
  • [16,14,13,18]
  • [7,9,5,8,10]
Base
  • 7
  • 9
  • 5
  • 8
  • 10
TopValue
115
HiddenCells
  • {"r":4,"c":0,"v":7}
  • {"r":3,"c":2,"v":13}
  • {"r":3,"c":3,"v":18}
  • {"r":2,"c":0,"v":30}
  • {"r":4,"c":2,"v":5}
  • {"r":2,"c":2,"v":31}
  • {"r":4,"c":1,"v":9}
  • {"r":1,"c":1,"v":58}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [98] → [_, 58] → [13, 27, 31] → [_, 10, _, _] → [_, _, 8, _, _]

Show answer

Answer: Row5[4]=9, Row4[3]=17, Row2[1]=40, Row4[1]=3, Row5[5]=5, Row5[1]=1, Row5[2]=2, Row4[4]=14

SubType
number-pyramid
Difficulty
hard
Levels
  • [98]
  • [40,58]
  • [13,27,31]
  • [3,10,17,14]
  • [1,2,8,9,5]
Base
  • 1
  • 2
  • 8
  • 9
  • 5
TopValue
98
HiddenCells
  • {"r":4,"c":3,"v":9}
  • {"r":3,"c":2,"v":17}
  • {"r":1,"c":0,"v":40}
  • {"r":3,"c":0,"v":3}
  • {"r":4,"c":4,"v":5}
  • {"r":4,"c":0,"v":1}
  • {"r":4,"c":1,"v":2}
  • {"r":3,"c":3,"v":14}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [34, 23] → [_, 14, _] → [_, _, 4, _] → [2, 8, 2, _, _]

Show answer

Answer: Row3[1]=20, Row5[4]=2, Row1[1]=57, Row5[5]=3, Row4[1]=10, Row3[3]=9, Row4[4]=5, Row4[2]=10

SubType
number-pyramid
Difficulty
hard
Levels
  • [57]
  • [34,23]
  • [20,14,9]
  • [10,10,4,5]
  • [2,8,2,2,3]
Base
  • 2
  • 8
  • 2
  • 2
  • 3
TopValue
57
HiddenCells
  • {"r":2,"c":0,"v":20}
  • {"r":4,"c":3,"v":2}
  • {"r":0,"c":0,"v":57}
  • {"r":4,"c":4,"v":3}
  • {"r":3,"c":0,"v":10}
  • {"r":2,"c":2,"v":9}
  • {"r":3,"c":3,"v":5}
  • {"r":3,"c":1,"v":10}