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): [100] → [45, _] → [_, _, 31] → [_, _, _, 17] → [5, _, _, 10, 7]

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Answer: Row5[3]=4, Row3[1]=21, Row4[3]=14, Row5[2]=6, Row4[1]=11, Row3[2]=24, Row2[2]=55, Row4[2]=10

SubType
number-pyramid
Difficulty
hard
Levels
  • [100]
  • [45,55]
  • [21,24,31]
  • [11,10,14,17]
  • [5,6,4,10,7]
Base
  • 5
  • 6
  • 4
  • 10
  • 7
TopValue
100
HiddenCells
  • {"r":4,"c":2,"v":4}
  • {"r":2,"c":0,"v":21}
  • {"r":3,"c":2,"v":14}
  • {"r":4,"c":1,"v":6}
  • {"r":3,"c":0,"v":11}
  • {"r":2,"c":1,"v":24}
  • {"r":1,"c":1,"v":55}
  • {"r":3,"c":1,"v":10}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [77, _] → [39, 38, 28] → [19, _, _, _] → [_, _, _, 8, 2]

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Answer: Row5[1]=9, Row2[2]=66, Row4[3]=18, Row5[2]=10, Row1[1]=143, Row4[4]=10, Row4[2]=20, Row5[3]=10

SubType
number-pyramid
Difficulty
hard
Levels
  • [143]
  • [77,66]
  • [39,38,28]
  • [19,20,18,10]
  • [9,10,10,8,2]
Base
  • 9
  • 10
  • 10
  • 8
  • 2
TopValue
143
HiddenCells
  • {"r":4,"c":0,"v":9}
  • {"r":1,"c":1,"v":66}
  • {"r":3,"c":2,"v":18}
  • {"r":4,"c":1,"v":10}
  • {"r":0,"c":0,"v":143}
  • {"r":3,"c":3,"v":10}
  • {"r":3,"c":1,"v":20}
  • {"r":4,"c":2,"v":10}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [43, 38] → [24, _, _] → [_, 11, 8, _] → [9, 4, _, _, _]

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Answer: Row4[4]=11, Row3[2]=19, Row3[3]=19, Row4[1]=13, Row5[4]=1, Row5[5]=10, Row1[1]=81, Row5[3]=7

SubType
number-pyramid
Difficulty
hard
Levels
  • [81]
  • [43,38]
  • [24,19,19]
  • [13,11,8,11]
  • [9,4,7,1,10]
Base
  • 9
  • 4
  • 7
  • 1
  • 10
TopValue
81
HiddenCells
  • {"r":3,"c":3,"v":11}
  • {"r":2,"c":1,"v":19}
  • {"r":2,"c":2,"v":19}
  • {"r":3,"c":0,"v":13}
  • {"r":4,"c":3,"v":1}
  • {"r":4,"c":4,"v":10}
  • {"r":0,"c":0,"v":81}
  • {"r":4,"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): [_] → [_, 43] → [27, 24, _] → [_, 13, 11, _] → [_, _, 9, 2, _]

Show answer

Answer: Row5[2]=4, Row2[1]=51, Row4[1]=14, Row1[1]=94, Row4[4]=8, Row5[1]=10, Row5[5]=6, Row3[3]=19

SubType
number-pyramid
Difficulty
hard
Levels
  • [94]
  • [51,43]
  • [27,24,19]
  • [14,13,11,8]
  • [10,4,9,2,6]
Base
  • 10
  • 4
  • 9
  • 2
  • 6
TopValue
94
HiddenCells
  • {"r":4,"c":1,"v":4}
  • {"r":1,"c":0,"v":51}
  • {"r":3,"c":0,"v":14}
  • {"r":0,"c":0,"v":94}
  • {"r":3,"c":3,"v":8}
  • {"r":4,"c":0,"v":10}
  • {"r":4,"c":4,"v":6}
  • {"r":2,"c":2,"v":19}