hard Set 37 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [72, 68] → [34, _, 30] → [15, _, _, _] → [6, _, _, _, 2]

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Answer: Row5[4]=9, Row3[2]=38, Row1[1]=140, Row5[3]=10, Row5[2]=9, Row4[3]=19, Row4[2]=19, Row4[4]=11

SubType
number-pyramid
Difficulty
hard
Levels
  • [140]
  • [72,68]
  • [34,38,30]
  • [15,19,19,11]
  • [6,9,10,9,2]
Base
  • 6
  • 9
  • 10
  • 9
  • 2
TopValue
140
HiddenCells
  • {"r":4,"c":3,"v":9}
  • {"r":2,"c":1,"v":38}
  • {"r":0,"c":0,"v":140}
  • {"r":4,"c":2,"v":10}
  • {"r":4,"c":1,"v":9}
  • {"r":3,"c":2,"v":19}
  • {"r":3,"c":1,"v":19}
  • {"r":3,"c":3,"v":11}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [45, _] → [21, 24, 18] → [_, 12, 12, 6] → [_, _, _, _, _]

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Answer: Row5[5]=2, Row2[2]=42, Row4[1]=9, Row5[4]=4, Row5[2]=4, Row1[1]=87, Row5[1]=5, Row5[3]=8

SubType
number-pyramid
Difficulty
hard
Levels
  • [87]
  • [45,42]
  • [21,24,18]
  • [9,12,12,6]
  • [5,4,8,4,2]
Base
  • 5
  • 4
  • 8
  • 4
  • 2
TopValue
87
HiddenCells
  • {"r":4,"c":4,"v":2}
  • {"r":1,"c":1,"v":42}
  • {"r":3,"c":0,"v":9}
  • {"r":4,"c":3,"v":4}
  • {"r":4,"c":1,"v":4}
  • {"r":0,"c":0,"v":87}
  • {"r":4,"c":0,"v":5}
  • {"r":4,"c":2,"v":8}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [105] → [_, _] → [21, 29, _] → [_, 13, 16, 10] → [_, _, _, _, 1]

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Answer: Row5[2]=6, Row2[2]=55, Row5[1]=2, Row4[1]=8, Row5[4]=9, Row5[3]=7, Row2[1]=50, Row3[3]=26

SubType
number-pyramid
Difficulty
hard
Levels
  • [105]
  • [50,55]
  • [21,29,26]
  • [8,13,16,10]
  • [2,6,7,9,1]
Base
  • 2
  • 6
  • 7
  • 9
  • 1
TopValue
105
HiddenCells
  • {"r":4,"c":1,"v":6}
  • {"r":1,"c":1,"v":55}
  • {"r":4,"c":0,"v":2}
  • {"r":3,"c":0,"v":8}
  • {"r":4,"c":3,"v":9}
  • {"r":4,"c":2,"v":7}
  • {"r":1,"c":0,"v":50}
  • {"r":2,"c":2,"v":26}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [27, _] → [_, _, 14] → [_, 5, _, _] → [10, 2, _, 2, 7]

Show answer

Answer: Row4[1]=12, Row4[3]=5, Row4[4]=9, Row3[1]=17, Row1[1]=51, Row3[2]=10, Row5[3]=3, Row2[2]=24

SubType
number-pyramid
Difficulty
hard
Levels
  • [51]
  • [27,24]
  • [17,10,14]
  • [12,5,5,9]
  • [10,2,3,2,7]
Base
  • 10
  • 2
  • 3
  • 2
  • 7
TopValue
51
HiddenCells
  • {"r":3,"c":0,"v":12}
  • {"r":3,"c":2,"v":5}
  • {"r":3,"c":3,"v":9}
  • {"r":2,"c":0,"v":17}
  • {"r":0,"c":0,"v":51}
  • {"r":2,"c":1,"v":10}
  • {"r":4,"c":2,"v":3}
  • {"r":1,"c":1,"v":24}