medium Set 80 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [32] → [15, 17] → [_, _, _] → [5, _, 6, 3]

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Answer: Row3[2]=8, Row3[3]=9, Row4[2]=2, Row3[1]=7

SubType
number-pyramid
Difficulty
medium
Levels
  • [32]
  • [15,17]
  • [7,8,9]
  • [5,2,6,3]
Base
  • 5
  • 2
  • 6
  • 3
TopValue
32
HiddenCells
  • {"r":2,"c":1,"v":8}
  • {"r":2,"c":2,"v":9}
  • {"r":3,"c":1,"v":2}
  • {"r":2,"c":0,"v":7}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [42] → [_, _] → [13, 9, 11] → [5, _, 1, _]

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Answer: Row2[2]=20, Row4[2]=8, Row2[1]=22, Row4[4]=10

SubType
number-pyramid
Difficulty
medium
Levels
  • [42]
  • [22,20]
  • [13,9,11]
  • [5,8,1,10]
Base
  • 5
  • 8
  • 1
  • 10
TopValue
42
HiddenCells
  • {"r":1,"c":1,"v":20}
  • {"r":3,"c":1,"v":8}
  • {"r":1,"c":0,"v":22}
  • {"r":3,"c":3,"v":10}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [50] → [_, 21] → [17, _, 9] → [9, 8, _, _]

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Answer: Row4[3]=4, Row3[2]=12, Row4[4]=5, Row2[1]=29

SubType
number-pyramid
Difficulty
medium
Levels
  • [50]
  • [29,21]
  • [17,12,9]
  • [9,8,4,5]
Base
  • 9
  • 8
  • 4
  • 5
TopValue
50
HiddenCells
  • {"r":3,"c":2,"v":4}
  • {"r":2,"c":1,"v":12}
  • {"r":3,"c":3,"v":5}
  • {"r":1,"c":0,"v":29}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [63] → [31, 32] → [_, 16, _] → [6, _, 7, _]

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Answer: Row4[2]=9, Row4[4]=9, Row3[1]=15, Row3[3]=16

SubType
number-pyramid
Difficulty
medium
Levels
  • [63]
  • [31,32]
  • [15,16,16]
  • [6,9,7,9]
Base
  • 6
  • 9
  • 7
  • 9
TopValue
63
HiddenCells
  • {"r":3,"c":1,"v":9}
  • {"r":3,"c":3,"v":9}
  • {"r":2,"c":0,"v":15}
  • {"r":2,"c":2,"v":16}