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): [108] → [60, _] → [_, 28, _] → [16, 16, _, _] → [_, 6, 10, _, _]

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Answer: Row5[4]=2, Row4[3]=12, Row4[4]=8, Row5[5]=6, Row3[3]=20, Row5[1]=10, Row2[2]=48, Row3[1]=32

SubType
number-pyramid
Difficulty
hard
Levels
  • [108]
  • [60,48]
  • [32,28,20]
  • [16,16,12,8]
  • [10,6,10,2,6]
Base
  • 10
  • 6
  • 10
  • 2
  • 6
TopValue
108
HiddenCells
  • {"r":4,"c":3,"v":2}
  • {"r":3,"c":2,"v":12}
  • {"r":3,"c":3,"v":8}
  • {"r":4,"c":4,"v":6}
  • {"r":2,"c":2,"v":20}
  • {"r":4,"c":0,"v":10}
  • {"r":1,"c":1,"v":48}
  • {"r":2,"c":0,"v":32}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [42, 26] → [_, 18, _] → [_, _, 5, _] → [2, 9, _, 1, _]

Show answer

Answer: Row5[3]=4, Row5[5]=2, Row3[1]=24, Row3[3]=8, Row4[4]=3, Row4[2]=13, Row1[1]=68, Row4[1]=11

SubType
number-pyramid
Difficulty
hard
Levels
  • [68]
  • [42,26]
  • [24,18,8]
  • [11,13,5,3]
  • [2,9,4,1,2]
Base
  • 2
  • 9
  • 4
  • 1
  • 2
TopValue
68
HiddenCells
  • {"r":4,"c":2,"v":4}
  • {"r":4,"c":4,"v":2}
  • {"r":2,"c":0,"v":24}
  • {"r":2,"c":2,"v":8}
  • {"r":3,"c":3,"v":3}
  • {"r":3,"c":1,"v":13}
  • {"r":0,"c":0,"v":68}
  • {"r":3,"c":0,"v":11}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [39, _] → [14, 25, 26] → [4, _, _, _] → [3, 1, _, _, _]

Show answer

Answer: Row2[2]=51, Row5[5]=5, Row4[4]=11, Row5[4]=6, Row4[3]=15, Row1[1]=90, Row5[3]=9, Row4[2]=10

SubType
number-pyramid
Difficulty
hard
Levels
  • [90]
  • [39,51]
  • [14,25,26]
  • [4,10,15,11]
  • [3,1,9,6,5]
Base
  • 3
  • 1
  • 9
  • 6
  • 5
TopValue
90
HiddenCells
  • {"r":1,"c":1,"v":51}
  • {"r":4,"c":4,"v":5}
  • {"r":3,"c":3,"v":11}
  • {"r":4,"c":3,"v":6}
  • {"r":3,"c":2,"v":15}
  • {"r":0,"c":0,"v":90}
  • {"r":4,"c":2,"v":9}
  • {"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): [127] → [_, _] → [_, 34, _] → [_, 16, _, _] → [_, 6, 10, 8, 1]

Show answer

Answer: Row4[1]=16, Row2[2]=61, Row5[1]=10, Row4[4]=9, Row2[1]=66, Row3[1]=32, Row4[3]=18, Row3[3]=27

SubType
number-pyramid
Difficulty
hard
Levels
  • [127]
  • [66,61]
  • [32,34,27]
  • [16,16,18,9]
  • [10,6,10,8,1]
Base
  • 10
  • 6
  • 10
  • 8
  • 1
TopValue
127
HiddenCells
  • {"r":3,"c":0,"v":16}
  • {"r":1,"c":1,"v":61}
  • {"r":4,"c":0,"v":10}
  • {"r":3,"c":3,"v":9}
  • {"r":1,"c":0,"v":66}
  • {"r":2,"c":0,"v":32}
  • {"r":3,"c":2,"v":18}
  • {"r":2,"c":2,"v":27}