hard Set 100 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [72] → [48, _] → [32, _, _] → [20, _, 4, _] → [10, 10, _, _, _]

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Answer: Row3[2]=16, Row5[3]=2, Row4[2]=12, Row5[5]=2, Row5[4]=2, Row3[3]=8, Row2[2]=24, Row4[4]=4

SubType
number-pyramid
Difficulty
hard
Levels
  • [72]
  • [48,24]
  • [32,16,8]
  • [20,12,4,4]
  • [10,10,2,2,2]
Base
  • 10
  • 10
  • 2
  • 2
  • 2
TopValue
72
HiddenCells
  • {"r":2,"c":1,"v":16}
  • {"r":4,"c":2,"v":2}
  • {"r":3,"c":1,"v":12}
  • {"r":4,"c":4,"v":2}
  • {"r":4,"c":3,"v":2}
  • {"r":2,"c":2,"v":8}
  • {"r":1,"c":1,"v":24}
  • {"r":3,"c":3,"v":4}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [29, _] → [_, 12, _] → [11, 6, 6, 11] → [_, 5, _, _, _]

Show answer

Answer: Row3[3]=17, Row5[1]=6, Row5[5]=6, Row3[1]=17, Row5[3]=1, Row1[1]=58, Row5[4]=5, Row2[2]=29

SubType
number-pyramid
Difficulty
hard
Levels
  • [58]
  • [29,29]
  • [17,12,17]
  • [11,6,6,11]
  • [6,5,1,5,6]
Base
  • 6
  • 5
  • 1
  • 5
  • 6
TopValue
58
HiddenCells
  • {"r":2,"c":2,"v":17}
  • {"r":4,"c":0,"v":6}
  • {"r":4,"c":4,"v":6}
  • {"r":2,"c":0,"v":17}
  • {"r":4,"c":2,"v":1}
  • {"r":0,"c":0,"v":58}
  • {"r":4,"c":3,"v":5}
  • {"r":1,"c":1,"v":29}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [_, 25, 29] → [8, _, 15, _] → [7, 1, 9, _, _]

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Answer: Row4[4]=14, Row4[2]=10, Row1[1]=97, Row3[1]=18, Row5[4]=6, Row2[1]=43, Row5[5]=8, Row2[2]=54

SubType
number-pyramid
Difficulty
hard
Levels
  • [97]
  • [43,54]
  • [18,25,29]
  • [8,10,15,14]
  • [7,1,9,6,8]
Base
  • 7
  • 1
  • 9
  • 6
  • 8
TopValue
97
HiddenCells
  • {"r":3,"c":3,"v":14}
  • {"r":3,"c":1,"v":10}
  • {"r":0,"c":0,"v":97}
  • {"r":2,"c":0,"v":18}
  • {"r":4,"c":3,"v":6}
  • {"r":1,"c":0,"v":43}
  • {"r":4,"c":4,"v":8}
  • {"r":1,"c":1,"v":54}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [73, _] → [_, 36, 24] → [17, _, _, 8] → [_, _, 10, 6, _]

Show answer

Answer: Row4[3]=16, Row5[5]=2, Row5[2]=10, Row1[1]=133, Row5[1]=7, Row2[2]=60, Row4[2]=20, Row3[1]=37

SubType
number-pyramid
Difficulty
hard
Levels
  • [133]
  • [73,60]
  • [37,36,24]
  • [17,20,16,8]
  • [7,10,10,6,2]
Base
  • 7
  • 10
  • 10
  • 6
  • 2
TopValue
133
HiddenCells
  • {"r":3,"c":2,"v":16}
  • {"r":4,"c":4,"v":2}
  • {"r":4,"c":1,"v":10}
  • {"r":0,"c":0,"v":133}
  • {"r":4,"c":0,"v":7}
  • {"r":1,"c":1,"v":60}
  • {"r":3,"c":1,"v":20}
  • {"r":2,"c":0,"v":37}