medium Set 30 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [58] → [31, 27] → [_, 16, 11] → [_, 9, _, _]

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Answer: Row3[1]=15, Row4[4]=4, Row4[1]=6, Row4[3]=7

SubType
number-pyramid
Difficulty
medium
Levels
  • [58]
  • [31,27]
  • [15,16,11]
  • [6,9,7,4]
Base
  • 6
  • 9
  • 7
  • 4
TopValue
58
HiddenCells
  • {"r":2,"c":0,"v":15}
  • {"r":3,"c":3,"v":4}
  • {"r":3,"c":0,"v":6}
  • {"r":3,"c":2,"v":7}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [51] → [28, _] → [15, 13, _] → [_, 7, 6, _]

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Answer: Row4[4]=4, Row2[2]=23, Row4[1]=8, Row3[3]=10

SubType
number-pyramid
Difficulty
medium
Levels
  • [51]
  • [28,23]
  • [15,13,10]
  • [8,7,6,4]
Base
  • 8
  • 7
  • 6
  • 4
TopValue
51
HiddenCells
  • {"r":3,"c":3,"v":4}
  • {"r":1,"c":1,"v":23}
  • {"r":3,"c":0,"v":8}
  • {"r":2,"c":2,"v":10}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [27] → [15, _] → [_, 7, 5] → [_, 5, 2, _]

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Answer: Row4[1]=3, Row3[1]=8, Row4[4]=3, Row2[2]=12

SubType
number-pyramid
Difficulty
medium
Levels
  • [27]
  • [15,12]
  • [8,7,5]
  • [3,5,2,3]
Base
  • 3
  • 5
  • 2
  • 3
TopValue
27
HiddenCells
  • {"r":3,"c":0,"v":3}
  • {"r":2,"c":0,"v":8}
  • {"r":3,"c":3,"v":3}
  • {"r":1,"c":1,"v":12}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [53] → [_, _] → [7, _, 16] → [2, _, 10, 6]

Show answer

Answer: Row2[2]=31, Row3[2]=15, Row4[2]=5, Row2[1]=22

SubType
number-pyramid
Difficulty
medium
Levels
  • [53]
  • [22,31]
  • [7,15,16]
  • [2,5,10,6]
Base
  • 2
  • 5
  • 10
  • 6
TopValue
53
HiddenCells
  • {"r":1,"c":1,"v":31}
  • {"r":2,"c":1,"v":15}
  • {"r":3,"c":1,"v":5}
  • {"r":1,"c":0,"v":22}