hard Set 36 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [50, _] → [_, 30, 28] → [_, _, 18, _] → [_, _, 9, 9, 1]

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Answer: Row1[1]=108, Row4[2]=12, Row5[1]=5, Row5[2]=3, Row4[1]=8, Row2[2]=58, Row3[1]=20, Row4[4]=10

SubType
number-pyramid
Difficulty
hard
Levels
  • [108]
  • [50,58]
  • [20,30,28]
  • [8,12,18,10]
  • [5,3,9,9,1]
Base
  • 5
  • 3
  • 9
  • 9
  • 1
TopValue
108
HiddenCells
  • {"r":0,"c":0,"v":108}
  • {"r":3,"c":1,"v":12}
  • {"r":4,"c":0,"v":5}
  • {"r":4,"c":1,"v":3}
  • {"r":3,"c":0,"v":8}
  • {"r":1,"c":1,"v":58}
  • {"r":2,"c":0,"v":20}
  • {"r":3,"c":3,"v":10}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [82] → [41, 41] → [_, 17, _] → [_, 9, 8, _] → [_, _, _, 7, _]

Show answer

Answer: Row5[3]=1, Row3[3]=24, Row5[1]=7, Row5[5]=9, Row4[4]=16, Row5[2]=8, Row4[1]=15, Row3[1]=24

SubType
number-pyramid
Difficulty
hard
Levels
  • [82]
  • [41,41]
  • [24,17,24]
  • [15,9,8,16]
  • [7,8,1,7,9]
Base
  • 7
  • 8
  • 1
  • 7
  • 9
TopValue
82
HiddenCells
  • {"r":4,"c":2,"v":1}
  • {"r":2,"c":2,"v":24}
  • {"r":4,"c":0,"v":7}
  • {"r":4,"c":4,"v":9}
  • {"r":3,"c":3,"v":16}
  • {"r":4,"c":1,"v":8}
  • {"r":3,"c":0,"v":15}
  • {"r":2,"c":0,"v":24}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [79] → [35, 44] → [16, _, _] → [_, _, _, 12] → [_, _, _, 9, 3]

Show answer

Answer: Row5[3]=4, Row3[3]=25, Row5[2]=2, Row5[1]=8, Row4[2]=6, Row4[1]=10, Row4[3]=13, Row3[2]=19

SubType
number-pyramid
Difficulty
hard
Levels
  • [79]
  • [35,44]
  • [16,19,25]
  • [10,6,13,12]
  • [8,2,4,9,3]
Base
  • 8
  • 2
  • 4
  • 9
  • 3
TopValue
79
HiddenCells
  • {"r":4,"c":2,"v":4}
  • {"r":2,"c":2,"v":25}
  • {"r":4,"c":1,"v":2}
  • {"r":4,"c":0,"v":8}
  • {"r":3,"c":1,"v":6}
  • {"r":3,"c":0,"v":10}
  • {"r":3,"c":2,"v":13}
  • {"r":2,"c":1,"v":19}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [93] → [48, _] → [26, 22, 23] → [_, _, _, _] → [_, _, 3, 8, _]

Show answer

Answer: Row5[1]=7, Row5[2]=8, Row2[2]=45, Row4[3]=11, Row4[2]=11, Row4[1]=15, Row5[5]=4, Row4[4]=12

SubType
number-pyramid
Difficulty
hard
Levels
  • [93]
  • [48,45]
  • [26,22,23]
  • [15,11,11,12]
  • [7,8,3,8,4]
Base
  • 7
  • 8
  • 3
  • 8
  • 4
TopValue
93
HiddenCells
  • {"r":4,"c":0,"v":7}
  • {"r":4,"c":1,"v":8}
  • {"r":1,"c":1,"v":45}
  • {"r":3,"c":2,"v":11}
  • {"r":3,"c":1,"v":11}
  • {"r":3,"c":0,"v":15}
  • {"r":4,"c":4,"v":4}
  • {"r":3,"c":3,"v":12}