hard Set 27 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [38, _] → [_, _, 15] → [_, 11, 4, 11] → [_, 10, _, 3, _]

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Answer: Row3[2]=15, Row1[1]=68, Row2[2]=30, Row3[1]=23, Row5[3]=1, Row4[1]=12, Row5[1]=2, Row5[5]=8

SubType
number-pyramid
Difficulty
hard
Levels
  • [68]
  • [38,30]
  • [23,15,15]
  • [12,11,4,11]
  • [2,10,1,3,8]
Base
  • 2
  • 10
  • 1
  • 3
  • 8
TopValue
68
HiddenCells
  • {"r":2,"c":1,"v":15}
  • {"r":0,"c":0,"v":68}
  • {"r":1,"c":1,"v":30}
  • {"r":2,"c":0,"v":23}
  • {"r":4,"c":2,"v":1}
  • {"r":3,"c":0,"v":12}
  • {"r":4,"c":0,"v":2}
  • {"r":4,"c":4,"v":8}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [95] → [_, 38] → [33, _, 14] → [_, 16, 8, _] → [7, _, _, _, _]

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Answer: Row5[5]=4, Row5[2]=10, Row2[1]=57, Row4[4]=6, Row4[1]=17, Row5[3]=6, Row3[2]=24, Row5[4]=2

SubType
number-pyramid
Difficulty
hard
Levels
  • [95]
  • [57,38]
  • [33,24,14]
  • [17,16,8,6]
  • [7,10,6,2,4]
Base
  • 7
  • 10
  • 6
  • 2
  • 4
TopValue
95
HiddenCells
  • {"r":4,"c":4,"v":4}
  • {"r":4,"c":1,"v":10}
  • {"r":1,"c":0,"v":57}
  • {"r":3,"c":3,"v":6}
  • {"r":3,"c":0,"v":17}
  • {"r":4,"c":2,"v":6}
  • {"r":2,"c":1,"v":24}
  • {"r":4,"c":3,"v":2}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [34, _, 14] → [19, 15, 9, _] → [_, _, 5, _, 1]

Show answer

Answer: Row5[2]=10, Row2[1]=58, Row4[4]=5, Row1[1]=96, Row5[1]=9, Row3[2]=24, Row2[2]=38, Row5[4]=4

SubType
number-pyramid
Difficulty
hard
Levels
  • [96]
  • [58,38]
  • [34,24,14]
  • [19,15,9,5]
  • [9,10,5,4,1]
Base
  • 9
  • 10
  • 5
  • 4
  • 1
TopValue
96
HiddenCells
  • {"r":4,"c":1,"v":10}
  • {"r":1,"c":0,"v":58}
  • {"r":3,"c":3,"v":5}
  • {"r":0,"c":0,"v":96}
  • {"r":4,"c":0,"v":9}
  • {"r":2,"c":1,"v":24}
  • {"r":1,"c":1,"v":38}
  • {"r":4,"c":3,"v":4}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [66] → [_, _] → [_, _, _] → [4, _, _, 14] → [1, 3, _, 5, 9]

Show answer

Answer: Row5[3]=4, Row4[3]=9, Row3[3]=23, Row3[1]=11, Row4[2]=7, Row3[2]=16, Row2[2]=39, Row2[1]=27

SubType
number-pyramid
Difficulty
hard
Levels
  • [66]
  • [27,39]
  • [11,16,23]
  • [4,7,9,14]
  • [1,3,4,5,9]
Base
  • 1
  • 3
  • 4
  • 5
  • 9
TopValue
66
HiddenCells
  • {"r":4,"c":2,"v":4}
  • {"r":3,"c":2,"v":9}
  • {"r":2,"c":2,"v":23}
  • {"r":2,"c":0,"v":11}
  • {"r":3,"c":1,"v":7}
  • {"r":2,"c":1,"v":16}
  • {"r":1,"c":1,"v":39}
  • {"r":1,"c":0,"v":27}