medium Set 25 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 23] → [12, _, 11] → [4, 8, _, 7]

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Answer: Row4[3]=4, Row1[1]=47, Row3[2]=12, Row2[1]=24

SubType
number-pyramid
Difficulty
medium
Levels
  • [47]
  • [24,23]
  • [12,12,11]
  • [4,8,4,7]
Base
  • 4
  • 8
  • 4
  • 7
TopValue
47
HiddenCells
  • {"r":3,"c":2,"v":4}
  • {"r":0,"c":0,"v":47}
  • {"r":2,"c":1,"v":12}
  • {"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] → [_, 15] → [11, 5, _] → [_, 4, _, 9]

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Answer: Row4[1]=7, Row3[3]=10, Row2[1]=16, Row4[3]=1

SubType
number-pyramid
Difficulty
medium
Levels
  • [31]
  • [16,15]
  • [11,5,10]
  • [7,4,1,9]
Base
  • 7
  • 4
  • 1
  • 9
TopValue
31
HiddenCells
  • {"r":3,"c":0,"v":7}
  • {"r":2,"c":2,"v":10}
  • {"r":1,"c":0,"v":16}
  • {"r":3,"c":2,"v":1}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 22] → [11, 13, 9] → [_, _, 5, 4]

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Answer: Row4[2]=8, Row1[1]=46, Row2[1]=24, Row4[1]=3

SubType
number-pyramid
Difficulty
medium
Levels
  • [46]
  • [24,22]
  • [11,13,9]
  • [3,8,5,4]
Base
  • 3
  • 8
  • 5
  • 4
TopValue
46
HiddenCells
  • {"r":3,"c":1,"v":8}
  • {"r":0,"c":0,"v":46}
  • {"r":1,"c":0,"v":24}
  • {"r":3,"c":0,"v":3}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 18] → [_, 11, 7] → [7, 8, 3, _]

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Answer: Row1[1]=44, Row2[1]=26, Row4[4]=4, Row3[1]=15

SubType
number-pyramid
Difficulty
medium
Levels
  • [44]
  • [26,18]
  • [15,11,7]
  • [7,8,3,4]
Base
  • 7
  • 8
  • 3
  • 4
TopValue
44
HiddenCells
  • {"r":0,"c":0,"v":44}
  • {"r":1,"c":0,"v":26}
  • {"r":3,"c":3,"v":4}
  • {"r":2,"c":0,"v":15}