medium Set 28 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [16, 23] → [7, _, _] → [5, 2, 7, _]

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Answer: Row1[1]=39, Row4[4]=7, Row3[2]=9, Row3[3]=14

SubType
number-pyramid
Difficulty
medium
Levels
  • [39]
  • [16,23]
  • [7,9,14]
  • [5,2,7,7]
Base
  • 5
  • 2
  • 7
  • 7
TopValue
39
HiddenCells
  • {"r":0,"c":0,"v":39}
  • {"r":3,"c":3,"v":7}
  • {"r":2,"c":1,"v":9}
  • {"r":2,"c":2,"v":14}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [31, 22] → [16, 15, _] → [_, _, 5, 2]

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Answer: Row4[1]=6, Row3[3]=7, Row4[2]=10, Row1[1]=53

SubType
number-pyramid
Difficulty
medium
Levels
  • [53]
  • [31,22]
  • [16,15,7]
  • [6,10,5,2]
Base
  • 6
  • 10
  • 5
  • 2
TopValue
53
HiddenCells
  • {"r":3,"c":0,"v":6}
  • {"r":2,"c":2,"v":7}
  • {"r":3,"c":1,"v":10}
  • {"r":0,"c":0,"v":53}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [38] → [14, _] → [5, 9, 15] → [2, _, _, _]

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Answer: Row2[2]=24, Row4[3]=6, Row4[2]=3, Row4[4]=9

SubType
number-pyramid
Difficulty
medium
Levels
  • [38]
  • [14,24]
  • [5,9,15]
  • [2,3,6,9]
Base
  • 2
  • 3
  • 6
  • 9
TopValue
38
HiddenCells
  • {"r":1,"c":1,"v":24}
  • {"r":3,"c":2,"v":6}
  • {"r":3,"c":1,"v":3}
  • {"r":3,"c":3,"v":9}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [66] → [30, _] → [_, 18, 18] → [3, _, _, 9]

Show answer

Answer: Row4[2]=9, Row4[3]=9, Row2[2]=36, Row3[1]=12

SubType
number-pyramid
Difficulty
medium
Levels
  • [66]
  • [30,36]
  • [12,18,18]
  • [3,9,9,9]
Base
  • 3
  • 9
  • 9
  • 9
TopValue
66
HiddenCells
  • {"r":3,"c":1,"v":9}
  • {"r":3,"c":2,"v":9}
  • {"r":1,"c":1,"v":36}
  • {"r":2,"c":0,"v":12}