medium Set 23 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [48] → [25, _] → [_, 12, _] → [_, 8, 4, 7]

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Answer: Row4[1]=5, Row2[2]=23, Row3[1]=13, Row3[3]=11

SubType
number-pyramid
Difficulty
medium
Levels
  • [48]
  • [25,23]
  • [13,12,11]
  • [5,8,4,7]
Base
  • 5
  • 8
  • 4
  • 7
TopValue
48
HiddenCells
  • {"r":3,"c":0,"v":5}
  • {"r":1,"c":1,"v":23}
  • {"r":2,"c":0,"v":13}
  • {"r":2,"c":2,"v":11}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [31, _] → [_, 18, 12] → [3, 10, 8, _]

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Answer: Row2[2]=30, Row4[4]=4, Row3[1]=13, Row1[1]=61

SubType
number-pyramid
Difficulty
medium
Levels
  • [61]
  • [31,30]
  • [13,18,12]
  • [3,10,8,4]
Base
  • 3
  • 10
  • 8
  • 4
TopValue
61
HiddenCells
  • {"r":1,"c":1,"v":30}
  • {"r":3,"c":3,"v":4}
  • {"r":2,"c":0,"v":13}
  • {"r":0,"c":0,"v":61}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [37] → [17, _] → [8, 9, _] → [_, 4, _, 6]

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Answer: Row4[3]=5, Row4[1]=4, Row3[3]=11, Row2[2]=20

SubType
number-pyramid
Difficulty
medium
Levels
  • [37]
  • [17,20]
  • [8,9,11]
  • [4,4,5,6]
Base
  • 4
  • 4
  • 5
  • 6
TopValue
37
HiddenCells
  • {"r":3,"c":2,"v":5}
  • {"r":3,"c":0,"v":4}
  • {"r":2,"c":2,"v":11}
  • {"r":1,"c":1,"v":20}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [31] → [15, 16] → [10, _, 11] → [_, 1, _, _]

Show answer

Answer: Row4[3]=4, Row4[4]=7, Row3[2]=5, Row4[1]=9

SubType
number-pyramid
Difficulty
medium
Levels
  • [31]
  • [15,16]
  • [10,5,11]
  • [9,1,4,7]
Base
  • 9
  • 1
  • 4
  • 7
TopValue
31
HiddenCells
  • {"r":3,"c":2,"v":4}
  • {"r":3,"c":3,"v":7}
  • {"r":2,"c":1,"v":5}
  • {"r":3,"c":0,"v":9}