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): [48] → [26, _] → [14, 12, _] → [8, _, _, 4]

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Answer: Row2[2]=22, Row4[3]=6, Row4[2]=6, Row3[3]=10

SubType
number-pyramid
Difficulty
medium
Levels
  • [48]
  • [26,22]
  • [14,12,10]
  • [8,6,6,4]
Base
  • 8
  • 6
  • 6
  • 4
TopValue
48
HiddenCells
  • {"r":1,"c":1,"v":22}
  • {"r":3,"c":2,"v":6}
  • {"r":3,"c":1,"v":6}
  • {"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): [37] → [_, 15] → [_, _, _] → [6, 6, 4, 1]

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Answer: Row3[3]=5, Row3[1]=12, Row2[1]=22, Row3[2]=10

SubType
number-pyramid
Difficulty
medium
Levels
  • [37]
  • [22,15]
  • [12,10,5]
  • [6,6,4,1]
Base
  • 6
  • 6
  • 4
  • 1
TopValue
37
HiddenCells
  • {"r":2,"c":2,"v":5}
  • {"r":2,"c":0,"v":12}
  • {"r":1,"c":0,"v":22}
  • {"r":2,"c":1,"v":10}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [39] → [_, 21] → [9, 9, _] → [_, 5, _, 8]

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Answer: Row2[1]=18, Row3[3]=12, Row4[3]=4, Row4[1]=4

SubType
number-pyramid
Difficulty
medium
Levels
  • [39]
  • [18,21]
  • [9,9,12]
  • [4,5,4,8]
Base
  • 4
  • 5
  • 4
  • 8
TopValue
39
HiddenCells
  • {"r":1,"c":0,"v":18}
  • {"r":2,"c":2,"v":12}
  • {"r":3,"c":2,"v":4}
  • {"r":3,"c":0,"v":4}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [8, 8] → [_, 3, _] → [3, _, 1, 4]

Show answer

Answer: Row3[3]=5, Row4[2]=2, Row3[1]=5, Row1[1]=16

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