medium Set 18 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [51] → [24, _] → [13, 11, 16] → [_, 3, _, _]

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Answer: Row2[2]=27, Row4[4]=8, Row4[3]=8, Row4[1]=10

SubType
number-pyramid
Difficulty
medium
Levels
  • [51]
  • [24,27]
  • [13,11,16]
  • [10,3,8,8]
Base
  • 10
  • 3
  • 8
  • 8
TopValue
51
HiddenCells
  • {"r":1,"c":1,"v":27}
  • {"r":3,"c":3,"v":8}
  • {"r":3,"c":2,"v":8}
  • {"r":3,"c":0,"v":10}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 31] → [16, 15, _] → [8, 8, 7, _]

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Answer: Row4[4]=9, Row2[1]=31, Row3[3]=16, Row1[1]=62

SubType
number-pyramid
Difficulty
medium
Levels
  • [62]
  • [31,31]
  • [16,15,16]
  • [8,8,7,9]
Base
  • 8
  • 8
  • 7
  • 9
TopValue
62
HiddenCells
  • {"r":3,"c":3,"v":9}
  • {"r":1,"c":0,"v":31}
  • {"r":2,"c":2,"v":16}
  • {"r":0,"c":0,"v":62}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [34] → [_, _] → [_, _, 5] → [10, 5, 2, 3]

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Answer: Row3[2]=7, Row2[2]=12, Row3[1]=15, Row2[1]=22

SubType
number-pyramid
Difficulty
medium
Levels
  • [34]
  • [22,12]
  • [15,7,5]
  • [10,5,2,3]
Base
  • 10
  • 5
  • 2
  • 3
TopValue
34
HiddenCells
  • {"r":2,"c":1,"v":7}
  • {"r":1,"c":1,"v":12}
  • {"r":2,"c":0,"v":15}
  • {"r":1,"c":0,"v":22}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [35] → [19, 16] → [_, _, 9] → [_, 2, 5, _]

Show answer

Answer: Row4[1]=10, Row3[1]=12, Row3[2]=7, Row4[4]=4

SubType
number-pyramid
Difficulty
medium
Levels
  • [35]
  • [19,16]
  • [12,7,9]
  • [10,2,5,4]
Base
  • 10
  • 2
  • 5
  • 4
TopValue
35
HiddenCells
  • {"r":3,"c":0,"v":10}
  • {"r":2,"c":0,"v":12}
  • {"r":2,"c":1,"v":7}
  • {"r":3,"c":3,"v":4}