medium Set 13 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [12, 15] → [5, 7, _] → [3, 2, _, _]

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Answer: Row3[3]=8, Row4[3]=5, Row1[1]=27, Row4[4]=3

SubType
number-pyramid
Difficulty
medium
Levels
  • [27]
  • [12,15]
  • [5,7,8]
  • [3,2,5,3]
Base
  • 3
  • 2
  • 5
  • 3
TopValue
27
HiddenCells
  • {"r":2,"c":2,"v":8}
  • {"r":3,"c":2,"v":5}
  • {"r":0,"c":0,"v":27}
  • {"r":3,"c":3,"v":3}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [19, _] → [5, 14, 18] → [1, _, _, 8]

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Answer: Row4[3]=10, Row4[2]=4, Row1[1]=51, Row2[2]=32

SubType
number-pyramid
Difficulty
medium
Levels
  • [51]
  • [19,32]
  • [5,14,18]
  • [1,4,10,8]
Base
  • 1
  • 4
  • 10
  • 8
TopValue
51
HiddenCells
  • {"r":3,"c":2,"v":10}
  • {"r":3,"c":1,"v":4}
  • {"r":0,"c":0,"v":51}
  • {"r":1,"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): [56] → [_, 32] → [_, _, 19] → [8, _, 10, 9]

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Answer: Row4[2]=3, Row3[2]=13, Row3[1]=11, Row2[1]=24

SubType
number-pyramid
Difficulty
medium
Levels
  • [56]
  • [24,32]
  • [11,13,19]
  • [8,3,10,9]
Base
  • 8
  • 3
  • 10
  • 9
TopValue
56
HiddenCells
  • {"r":3,"c":1,"v":3}
  • {"r":2,"c":1,"v":13}
  • {"r":2,"c":0,"v":11}
  • {"r":1,"c":0,"v":24}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [31] → [_, _] → [_, 7, _] → [2, 3, 4, 8]

Show answer

Answer: Row2[1]=12, Row2[2]=19, Row3[1]=5, Row3[3]=12

SubType
number-pyramid
Difficulty
medium
Levels
  • [31]
  • [12,19]
  • [5,7,12]
  • [2,3,4,8]
Base
  • 2
  • 3
  • 4
  • 8
TopValue
31
HiddenCells
  • {"r":1,"c":0,"v":12}
  • {"r":1,"c":1,"v":19}
  • {"r":2,"c":0,"v":5}
  • {"r":2,"c":2,"v":12}