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): [30] → [16, _] → [8, _, _] → [1, 7, _, 5]

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Answer: Row4[3]=1, Row3[2]=8, Row2[2]=14, Row3[3]=6

SubType
number-pyramid
Difficulty
medium
Levels
  • [30]
  • [16,14]
  • [8,8,6]
  • [1,7,1,5]
Base
  • 1
  • 7
  • 1
  • 5
TopValue
30
HiddenCells
  • {"r":3,"c":2,"v":1}
  • {"r":2,"c":1,"v":8}
  • {"r":1,"c":1,"v":14}
  • {"r":2,"c":2,"v":6}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [23] → [_, 9] → [9, 5, 4] → [_, _, 3, _]

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Answer: Row4[2]=2, Row2[1]=14, Row4[1]=7, Row4[4]=1

SubType
number-pyramid
Difficulty
medium
Levels
  • [23]
  • [14,9]
  • [9,5,4]
  • [7,2,3,1]
Base
  • 7
  • 2
  • 3
  • 1
TopValue
23
HiddenCells
  • {"r":3,"c":1,"v":2}
  • {"r":1,"c":0,"v":14}
  • {"r":3,"c":0,"v":7}
  • {"r":3,"c":3,"v":1}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [29, _] → [_, _, 14] → [6, 7, 9, 5]

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Answer: Row3[2]=16, Row3[1]=13, Row2[2]=30, Row1[1]=59

SubType
number-pyramid
Difficulty
medium
Levels
  • [59]
  • [29,30]
  • [13,16,14]
  • [6,7,9,5]
Base
  • 6
  • 7
  • 9
  • 5
TopValue
59
HiddenCells
  • {"r":2,"c":1,"v":16}
  • {"r":2,"c":0,"v":13}
  • {"r":1,"c":1,"v":30}
  • {"r":0,"c":0,"v":59}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [25] → [_, 13] → [_, 4, _] → [6, _, 2, 7]

Show answer

Answer: Row4[2]=2, Row2[1]=12, Row3[1]=8, Row3[3]=9

SubType
number-pyramid
Difficulty
medium
Levels
  • [25]
  • [12,13]
  • [8,4,9]
  • [6,2,2,7]
Base
  • 6
  • 2
  • 2
  • 7
TopValue
25
HiddenCells
  • {"r":3,"c":1,"v":2}
  • {"r":1,"c":0,"v":12}
  • {"r":2,"c":0,"v":8}
  • {"r":2,"c":2,"v":9}