hard Set 98 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [107] → [_, _] → [_, 27, _] → [11, 14, _, 15] → [2, 9, _, _, _]

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Answer: Row5[4]=8, Row5[5]=7, Row3[1]=25, Row2[1]=52, Row3[3]=28, Row2[2]=55, Row5[3]=5, Row4[3]=13

SubType
number-pyramid
Difficulty
hard
Levels
  • [107]
  • [52,55]
  • [25,27,28]
  • [11,14,13,15]
  • [2,9,5,8,7]
Base
  • 2
  • 9
  • 5
  • 8
  • 7
TopValue
107
HiddenCells
  • {"r":4,"c":3,"v":8}
  • {"r":4,"c":4,"v":7}
  • {"r":2,"c":0,"v":25}
  • {"r":1,"c":0,"v":52}
  • {"r":2,"c":2,"v":28}
  • {"r":1,"c":1,"v":55}
  • {"r":4,"c":2,"v":5}
  • {"r":3,"c":2,"v":13}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [_, 25, _] → [16, _, _, 14] → [8, 8, _, 7, 7]

Show answer

Answer: Row4[3]=12, Row2[2]=51, Row1[1]=105, Row2[1]=54, Row3[1]=29, Row3[3]=26, Row5[3]=5, Row4[2]=13

SubType
number-pyramid
Difficulty
hard
Levels
  • [105]
  • [54,51]
  • [29,25,26]
  • [16,13,12,14]
  • [8,8,5,7,7]
Base
  • 8
  • 8
  • 5
  • 7
  • 7
TopValue
105
HiddenCells
  • {"r":3,"c":2,"v":12}
  • {"r":1,"c":1,"v":51}
  • {"r":0,"c":0,"v":105}
  • {"r":1,"c":0,"v":54}
  • {"r":2,"c":0,"v":29}
  • {"r":2,"c":2,"v":26}
  • {"r":4,"c":2,"v":5}
  • {"r":3,"c":1,"v":13}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [35, _, 23] → [19, 16, 10, _] → [_, _, 6, 4, _]

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Answer: Row2[1]=61, Row3[2]=26, Row2[2]=49, Row1[1]=110, Row4[4]=13, Row5[1]=9, Row5[5]=9, Row5[2]=10

SubType
number-pyramid
Difficulty
hard
Levels
  • [110]
  • [61,49]
  • [35,26,23]
  • [19,16,10,13]
  • [9,10,6,4,9]
Base
  • 9
  • 10
  • 6
  • 4
  • 9
TopValue
110
HiddenCells
  • {"r":1,"c":0,"v":61}
  • {"r":2,"c":1,"v":26}
  • {"r":1,"c":1,"v":49}
  • {"r":0,"c":0,"v":110}
  • {"r":3,"c":3,"v":13}
  • {"r":4,"c":0,"v":9}
  • {"r":4,"c":4,"v":9}
  • {"r":4,"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): [95] → [_, _] → [_, 22, 27] → [_, 9, _, 14] → [_, 5, _, _, 5]

Show answer

Answer: Row5[1]=10, Row4[1]=15, Row2[2]=49, Row2[1]=46, Row4[3]=13, Row3[1]=24, Row5[3]=4, Row5[4]=9

SubType
number-pyramid
Difficulty
hard
Levels
  • [95]
  • [46,49]
  • [24,22,27]
  • [15,9,13,14]
  • [10,5,4,9,5]
Base
  • 10
  • 5
  • 4
  • 9
  • 5
TopValue
95
HiddenCells
  • {"r":4,"c":0,"v":10}
  • {"r":3,"c":0,"v":15}
  • {"r":1,"c":1,"v":49}
  • {"r":1,"c":0,"v":46}
  • {"r":3,"c":2,"v":13}
  • {"r":2,"c":0,"v":24}
  • {"r":4,"c":2,"v":4}
  • {"r":4,"c":3,"v":9}