medium Set 55 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [31, 30] → [16, _, _] → [8, _, 7, 8]

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Answer: Row3[2]=15, Row4[2]=8, Row3[3]=15, Row1[1]=61

SubType
number-pyramid
Difficulty
medium
Levels
  • [61]
  • [31,30]
  • [16,15,15]
  • [8,8,7,8]
Base
  • 8
  • 8
  • 7
  • 8
TopValue
61
HiddenCells
  • {"r":2,"c":1,"v":15}
  • {"r":3,"c":1,"v":8}
  • {"r":2,"c":2,"v":15}
  • {"r":0,"c":0,"v":61}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 11] → [_, 4, 7] → [6, 3, _, 6]

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Answer: Row3[1]=9, Row1[1]=24, Row4[3]=1, Row2[1]=13

SubType
number-pyramid
Difficulty
medium
Levels
  • [24]
  • [13,11]
  • [9,4,7]
  • [6,3,1,6]
Base
  • 6
  • 3
  • 1
  • 6
TopValue
24
HiddenCells
  • {"r":2,"c":0,"v":9}
  • {"r":0,"c":0,"v":24}
  • {"r":3,"c":2,"v":1}
  • {"r":1,"c":0,"v":13}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [40] → [17, 23] → [_, _, 12] → [_, _, 10, 2]

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Answer: Row4[2]=1, Row4[1]=5, Row3[1]=6, Row3[2]=11

SubType
number-pyramid
Difficulty
medium
Levels
  • [40]
  • [17,23]
  • [6,11,12]
  • [5,1,10,2]
Base
  • 5
  • 1
  • 10
  • 2
TopValue
40
HiddenCells
  • {"r":3,"c":1,"v":1}
  • {"r":3,"c":0,"v":5}
  • {"r":2,"c":0,"v":6}
  • {"r":2,"c":1,"v":11}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [32, 28] → [_, 14, 14] → [_, 10, _, 10]

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Answer: Row4[1]=8, Row4[3]=4, Row1[1]=60, Row3[1]=18

SubType
number-pyramid
Difficulty
medium
Levels
  • [60]
  • [32,28]
  • [18,14,14]
  • [8,10,4,10]
Base
  • 8
  • 10
  • 4
  • 10
TopValue
60
HiddenCells
  • {"r":3,"c":0,"v":8}
  • {"r":3,"c":2,"v":4}
  • {"r":0,"c":0,"v":60}
  • {"r":2,"c":0,"v":18}