hard Set 90 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [18, 20, _] → [9, _, 11, _] → [_, 3, 6, _, 2]

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Answer: Row1[1]=76, Row3[3]=18, Row4[2]=9, Row5[1]=6, Row5[4]=5, Row4[4]=7, Row2[2]=38, Row2[1]=38

SubType
number-pyramid
Difficulty
hard
Levels
  • [76]
  • [38,38]
  • [18,20,18]
  • [9,9,11,7]
  • [6,3,6,5,2]
Base
  • 6
  • 3
  • 6
  • 5
  • 2
TopValue
76
HiddenCells
  • {"r":0,"c":0,"v":76}
  • {"r":2,"c":2,"v":18}
  • {"r":3,"c":1,"v":9}
  • {"r":4,"c":0,"v":6}
  • {"r":4,"c":3,"v":5}
  • {"r":3,"c":3,"v":7}
  • {"r":1,"c":1,"v":38}
  • {"r":1,"c":0,"v":38}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 49] → [26, _, 28] → [_, _, 11, _] → [7, 9, _, 10, _]

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Answer: Row3[2]=21, Row4[1]=16, Row5[5]=7, Row1[1]=96, Row5[3]=1, Row4[2]=10, Row2[1]=47, Row4[4]=17

SubType
number-pyramid
Difficulty
hard
Levels
  • [96]
  • [47,49]
  • [26,21,28]
  • [16,10,11,17]
  • [7,9,1,10,7]
Base
  • 7
  • 9
  • 1
  • 10
  • 7
TopValue
96
HiddenCells
  • {"r":2,"c":1,"v":21}
  • {"r":3,"c":0,"v":16}
  • {"r":4,"c":4,"v":7}
  • {"r":0,"c":0,"v":96}
  • {"r":4,"c":2,"v":1}
  • {"r":3,"c":1,"v":10}
  • {"r":1,"c":0,"v":47}
  • {"r":3,"c":3,"v":17}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [130] → [_, _] → [34, _, _] → [18, _, _, _] → [8, 10, _, 10, 6]

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Answer: Row2[1]=66, Row4[2]=16, Row4[4]=16, Row3[3]=32, Row2[2]=64, Row5[3]=6, Row4[3]=16, Row3[2]=32

SubType
number-pyramid
Difficulty
hard
Levels
  • [130]
  • [66,64]
  • [34,32,32]
  • [18,16,16,16]
  • [8,10,6,10,6]
Base
  • 8
  • 10
  • 6
  • 10
  • 6
TopValue
130
HiddenCells
  • {"r":1,"c":0,"v":66}
  • {"r":3,"c":1,"v":16}
  • {"r":3,"c":3,"v":16}
  • {"r":2,"c":2,"v":32}
  • {"r":1,"c":1,"v":64}
  • {"r":4,"c":2,"v":6}
  • {"r":3,"c":2,"v":16}
  • {"r":2,"c":1,"v":32}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [38, _] → [_, _, _] → [14, 10, 4, 9] → [7, _, _, 1, _]

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Answer: Row5[3]=3, Row5[5]=8, Row5[2]=7, Row3[3]=13, Row1[1]=65, Row2[2]=27, Row3[1]=24, Row3[2]=14

SubType
number-pyramid
Difficulty
hard
Levels
  • [65]
  • [38,27]
  • [24,14,13]
  • [14,10,4,9]
  • [7,7,3,1,8]
Base
  • 7
  • 7
  • 3
  • 1
  • 8
TopValue
65
HiddenCells
  • {"r":4,"c":2,"v":3}
  • {"r":4,"c":4,"v":8}
  • {"r":4,"c":1,"v":7}
  • {"r":2,"c":2,"v":13}
  • {"r":0,"c":0,"v":65}
  • {"r":1,"c":1,"v":27}
  • {"r":2,"c":0,"v":24}
  • {"r":2,"c":1,"v":14}