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): [49] → [29, 20] → [17, _, 8] → [_, _, _, 5]

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Answer: Row3[2]=12, Row4[2]=9, Row4[1]=8, Row4[3]=3

SubType
number-pyramid
Difficulty
medium
Levels
  • [49]
  • [29,20]
  • [17,12,8]
  • [8,9,3,5]
Base
  • 8
  • 9
  • 3
  • 5
TopValue
49
HiddenCells
  • {"r":2,"c":1,"v":12}
  • {"r":3,"c":1,"v":9}
  • {"r":3,"c":0,"v":8}
  • {"r":3,"c":2,"v":3}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [37] → [_, 16] → [_, 9, 7] → [7, _, 4, _]

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Answer: Row2[1]=21, Row4[2]=5, Row4[4]=3, Row3[1]=12

SubType
number-pyramid
Difficulty
medium
Levels
  • [37]
  • [21,16]
  • [12,9,7]
  • [7,5,4,3]
Base
  • 7
  • 5
  • 4
  • 3
TopValue
37
HiddenCells
  • {"r":1,"c":0,"v":21}
  • {"r":3,"c":1,"v":5}
  • {"r":3,"c":3,"v":3}
  • {"r":2,"c":0,"v":12}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [24] → [_, 16] → [3, _, 11] → [_, 2, 3, _]

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Answer: Row4[1]=1, Row2[1]=8, Row4[4]=8, Row3[2]=5

SubType
number-pyramid
Difficulty
medium
Levels
  • [24]
  • [8,16]
  • [3,5,11]
  • [1,2,3,8]
Base
  • 1
  • 2
  • 3
  • 8
TopValue
24
HiddenCells
  • {"r":3,"c":0,"v":1}
  • {"r":1,"c":0,"v":8}
  • {"r":3,"c":3,"v":8}
  • {"r":2,"c":1,"v":5}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [35] → [_, _] → [3, _, 16] → [2, 1, 7, _]

Show answer

Answer: Row3[2]=8, Row2[2]=24, Row2[1]=11, Row4[4]=9

SubType
number-pyramid
Difficulty
medium
Levels
  • [35]
  • [11,24]
  • [3,8,16]
  • [2,1,7,9]
Base
  • 2
  • 1
  • 7
  • 9
TopValue
35
HiddenCells
  • {"r":2,"c":1,"v":8}
  • {"r":1,"c":1,"v":24}
  • {"r":1,"c":0,"v":11}
  • {"r":3,"c":3,"v":9}