medium Set 97 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [18, 19] → [11, 7, _] → [9, 2, _, _]

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Answer: Row4[3]=5, Row3[3]=12, Row1[1]=37, Row4[4]=7

SubType
number-pyramid
Difficulty
medium
Levels
  • [37]
  • [18,19]
  • [11,7,12]
  • [9,2,5,7]
Base
  • 9
  • 2
  • 5
  • 7
TopValue
37
HiddenCells
  • {"r":3,"c":2,"v":5}
  • {"r":2,"c":2,"v":12}
  • {"r":0,"c":0,"v":37}
  • {"r":3,"c":3,"v":7}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [27, _] → [9, 18, _] → [_, 8, 10, 4]

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Answer: Row2[2]=32, Row1[1]=59, Row3[3]=14, Row4[1]=1

SubType
number-pyramid
Difficulty
medium
Levels
  • [59]
  • [27,32]
  • [9,18,14]
  • [1,8,10,4]
Base
  • 1
  • 8
  • 10
  • 4
TopValue
59
HiddenCells
  • {"r":1,"c":1,"v":32}
  • {"r":0,"c":0,"v":59}
  • {"r":2,"c":2,"v":14}
  • {"r":3,"c":0,"v":1}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [42] → [23, 19] → [_, _, 9] → [_, _, 2, 7]

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Answer: Row4[2]=8, Row3[2]=10, Row3[1]=13, Row4[1]=5

SubType
number-pyramid
Difficulty
medium
Levels
  • [42]
  • [23,19]
  • [13,10,9]
  • [5,8,2,7]
Base
  • 5
  • 8
  • 2
  • 7
TopValue
42
HiddenCells
  • {"r":3,"c":1,"v":8}
  • {"r":2,"c":1,"v":10}
  • {"r":2,"c":0,"v":13}
  • {"r":3,"c":0,"v":5}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [40] → [22, _] → [11, _, 7] → [4, _, 4, _]

Show answer

Answer: Row4[2]=7, Row2[2]=18, Row4[4]=3, Row3[2]=11

SubType
number-pyramid
Difficulty
medium
Levels
  • [40]
  • [22,18]
  • [11,11,7]
  • [4,7,4,3]
Base
  • 4
  • 7
  • 4
  • 3
TopValue
40
HiddenCells
  • {"r":3,"c":1,"v":7}
  • {"r":1,"c":1,"v":18}
  • {"r":3,"c":3,"v":3}
  • {"r":2,"c":1,"v":11}