hard Set 52 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [77] → [_, 34] → [_, _, _] → [_, _, _, 8] → [3, 9, 3, 4, _]

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Answer: Row3[3]=15, Row3[2]=19, Row5[5]=4, Row4[2]=12, Row3[1]=24, Row4[1]=12, Row2[1]=43, Row4[3]=7

SubType
number-pyramid
Difficulty
hard
Levels
  • [77]
  • [43,34]
  • [24,19,15]
  • [12,12,7,8]
  • [3,9,3,4,4]
Base
  • 3
  • 9
  • 3
  • 4
  • 4
TopValue
77
HiddenCells
  • {"r":2,"c":2,"v":15}
  • {"r":2,"c":1,"v":19}
  • {"r":4,"c":4,"v":4}
  • {"r":3,"c":1,"v":12}
  • {"r":2,"c":0,"v":24}
  • {"r":3,"c":0,"v":12}
  • {"r":1,"c":0,"v":43}
  • {"r":3,"c":2,"v":7}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [98] → [_, _] → [20, 26, 26] → [_, 12, _, _] → [_, 4, _, 6, _]

Show answer

Answer: Row5[1]=4, Row4[4]=12, Row5[3]=8, Row2[1]=46, Row4[1]=8, Row5[5]=6, Row4[3]=14, Row2[2]=52

SubType
number-pyramid
Difficulty
hard
Levels
  • [98]
  • [46,52]
  • [20,26,26]
  • [8,12,14,12]
  • [4,4,8,6,6]
Base
  • 4
  • 4
  • 8
  • 6
  • 6
TopValue
98
HiddenCells
  • {"r":4,"c":0,"v":4}
  • {"r":3,"c":3,"v":12}
  • {"r":4,"c":2,"v":8}
  • {"r":1,"c":0,"v":46}
  • {"r":3,"c":0,"v":8}
  • {"r":4,"c":4,"v":6}
  • {"r":3,"c":2,"v":14}
  • {"r":1,"c":1,"v":52}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [121] → [_, _] → [32, 30, _] → [16, _, _, 15] → [_, 10, _, _, 7]

Show answer

Answer: Row3[3]=29, Row2[2]=59, Row4[2]=16, Row5[1]=6, Row2[1]=62, Row5[4]=8, Row5[3]=6, Row4[3]=14

SubType
number-pyramid
Difficulty
hard
Levels
  • [121]
  • [62,59]
  • [32,30,29]
  • [16,16,14,15]
  • [6,10,6,8,7]
Base
  • 6
  • 10
  • 6
  • 8
  • 7
TopValue
121
HiddenCells
  • {"r":2,"c":2,"v":29}
  • {"r":1,"c":1,"v":59}
  • {"r":3,"c":1,"v":16}
  • {"r":4,"c":0,"v":6}
  • {"r":1,"c":0,"v":62}
  • {"r":4,"c":3,"v":8}
  • {"r":4,"c":2,"v":6}
  • {"r":3,"c":2,"v":14}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 35] → [24, _, 14] → [_, 11, _, _] → [9, _, _, 3, 1]

Show answer

Answer: Row4[4]=4, Row5[3]=7, Row2[1]=45, Row4[3]=10, Row4[1]=13, Row1[1]=80, Row5[2]=4, Row3[2]=21

SubType
number-pyramid
Difficulty
hard
Levels
  • [80]
  • [45,35]
  • [24,21,14]
  • [13,11,10,4]
  • [9,4,7,3,1]
Base
  • 9
  • 4
  • 7
  • 3
  • 1
TopValue
80
HiddenCells
  • {"r":3,"c":3,"v":4}
  • {"r":4,"c":2,"v":7}
  • {"r":1,"c":0,"v":45}
  • {"r":3,"c":2,"v":10}
  • {"r":3,"c":0,"v":13}
  • {"r":0,"c":0,"v":80}
  • {"r":4,"c":1,"v":4}
  • {"r":2,"c":1,"v":21}