hard Set 99 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [60] → [30, 30] → [_, 13, _] → [10, _, _, _] → [6, 4, _, _, _]

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Answer: Row3[3]=17, Row4[4]=11, Row5[4]=3, Row5[3]=3, Row3[1]=17, Row4[2]=7, Row4[3]=6, Row5[5]=8

SubType
number-pyramid
Difficulty
hard
Levels
  • [60]
  • [30,30]
  • [17,13,17]
  • [10,7,6,11]
  • [6,4,3,3,8]
Base
  • 6
  • 4
  • 3
  • 3
  • 8
TopValue
60
HiddenCells
  • {"r":2,"c":2,"v":17}
  • {"r":3,"c":3,"v":11}
  • {"r":4,"c":3,"v":3}
  • {"r":4,"c":2,"v":3}
  • {"r":2,"c":0,"v":17}
  • {"r":3,"c":1,"v":7}
  • {"r":3,"c":2,"v":6}
  • {"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): [76] → [_, _] → [_, _, 23] → [6, 9, 10, _] → [_, _, 6, _, 9]

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Answer: Row3[1]=15, Row5[2]=3, Row5[1]=3, Row2[1]=34, Row2[2]=42, Row3[2]=19, Row5[4]=4, Row4[4]=13

SubType
number-pyramid
Difficulty
hard
Levels
  • [76]
  • [34,42]
  • [15,19,23]
  • [6,9,10,13]
  • [3,3,6,4,9]
Base
  • 3
  • 3
  • 6
  • 4
  • 9
TopValue
76
HiddenCells
  • {"r":2,"c":0,"v":15}
  • {"r":4,"c":1,"v":3}
  • {"r":4,"c":0,"v":3}
  • {"r":1,"c":0,"v":34}
  • {"r":1,"c":1,"v":42}
  • {"r":2,"c":1,"v":19}
  • {"r":4,"c":3,"v":4}
  • {"r":3,"c":3,"v":13}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [84] → [_, 36] → [29, _, _] → [16, _, 6, _] → [_, _, _, 1, 10]

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Answer: Row5[2]=8, Row5[3]=5, Row3[2]=19, Row5[1]=8, Row3[3]=17, Row4[2]=13, Row2[1]=48, Row4[4]=11

SubType
number-pyramid
Difficulty
hard
Levels
  • [84]
  • [48,36]
  • [29,19,17]
  • [16,13,6,11]
  • [8,8,5,1,10]
Base
  • 8
  • 8
  • 5
  • 1
  • 10
TopValue
84
HiddenCells
  • {"r":4,"c":1,"v":8}
  • {"r":4,"c":2,"v":5}
  • {"r":2,"c":1,"v":19}
  • {"r":4,"c":0,"v":8}
  • {"r":2,"c":2,"v":17}
  • {"r":3,"c":1,"v":13}
  • {"r":1,"c":0,"v":48}
  • {"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): [_] → [51, _] → [24, _, 34] → [_, _, _, 18] → [_, 5, 6, _, 8]

Show answer

Answer: Row5[1]=8, Row3[2]=27, Row1[1]=112, Row4[1]=13, Row2[2]=61, Row4[2]=11, Row5[4]=10, Row4[3]=16

SubType
number-pyramid
Difficulty
hard
Levels
  • [112]
  • [51,61]
  • [24,27,34]
  • [13,11,16,18]
  • [8,5,6,10,8]
Base
  • 8
  • 5
  • 6
  • 10
  • 8
TopValue
112
HiddenCells
  • {"r":4,"c":0,"v":8}
  • {"r":2,"c":1,"v":27}
  • {"r":0,"c":0,"v":112}
  • {"r":3,"c":0,"v":13}
  • {"r":1,"c":1,"v":61}
  • {"r":3,"c":1,"v":11}
  • {"r":4,"c":3,"v":10}
  • {"r":3,"c":2,"v":16}