medium Set 21 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [27, 26] → [14, _, 13] → [_, 7, 6, _]

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Answer: Row4[1]=7, Row3[2]=13, Row1[1]=53, Row4[4]=7

SubType
number-pyramid
Difficulty
medium
Levels
  • [53]
  • [27,26]
  • [14,13,13]
  • [7,7,6,7]
Base
  • 7
  • 7
  • 6
  • 7
TopValue
53
HiddenCells
  • {"r":3,"c":0,"v":7}
  • {"r":2,"c":1,"v":13}
  • {"r":0,"c":0,"v":53}
  • {"r":3,"c":3,"v":7}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [21, 23] → [_, 8, 15] → [10, _, 5, _]

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Answer: Row4[4]=10, Row1[1]=44, Row3[1]=13, Row4[2]=3

SubType
number-pyramid
Difficulty
medium
Levels
  • [44]
  • [21,23]
  • [13,8,15]
  • [10,3,5,10]
Base
  • 10
  • 3
  • 5
  • 10
TopValue
44
HiddenCells
  • {"r":3,"c":3,"v":10}
  • {"r":0,"c":0,"v":44}
  • {"r":2,"c":0,"v":13}
  • {"r":3,"c":1,"v":3}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [58] → [28, _] → [11, 17, 13] → [_, _, _, 4]

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Answer: Row2[2]=30, Row4[3]=9, Row4[1]=3, Row4[2]=8

SubType
number-pyramid
Difficulty
medium
Levels
  • [58]
  • [28,30]
  • [11,17,13]
  • [3,8,9,4]
Base
  • 3
  • 8
  • 9
  • 4
TopValue
58
HiddenCells
  • {"r":1,"c":1,"v":30}
  • {"r":3,"c":2,"v":9}
  • {"r":3,"c":0,"v":3}
  • {"r":3,"c":1,"v":8}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 16] → [11, 7, 9] → [8, _, _, 5]

Show answer

Answer: Row4[3]=4, Row1[1]=34, Row4[2]=3, Row2[1]=18

SubType
number-pyramid
Difficulty
medium
Levels
  • [34]
  • [18,16]
  • [11,7,9]
  • [8,3,4,5]
Base
  • 8
  • 3
  • 4
  • 5
TopValue
34
HiddenCells
  • {"r":3,"c":2,"v":4}
  • {"r":0,"c":0,"v":34}
  • {"r":3,"c":1,"v":3}
  • {"r":1,"c":0,"v":18}