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): [_] → [31, 17] → [19, _, _] → [_, 9, 3, 2]

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Answer: Row3[3]=5, Row1[1]=48, Row3[2]=12, Row4[1]=10

SubType
number-pyramid
Difficulty
medium
Levels
  • [48]
  • [31,17]
  • [19,12,5]
  • [10,9,3,2]
Base
  • 10
  • 9
  • 3
  • 2
TopValue
48
HiddenCells
  • {"r":2,"c":2,"v":5}
  • {"r":0,"c":0,"v":48}
  • {"r":2,"c":1,"v":12}
  • {"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): [_] → [12, 20] → [5, 7, _] → [_, _, 6, 7]

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Answer: Row3[3]=13, Row1[1]=32, Row4[1]=4, Row4[2]=1

SubType
number-pyramid
Difficulty
medium
Levels
  • [32]
  • [12,20]
  • [5,7,13]
  • [4,1,6,7]
Base
  • 4
  • 1
  • 6
  • 7
TopValue
32
HiddenCells
  • {"r":2,"c":2,"v":13}
  • {"r":0,"c":0,"v":32}
  • {"r":3,"c":0,"v":4}
  • {"r":3,"c":1,"v":1}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [57] → [_, 34] → [7, 16, _] → [_, 6, _, 8]

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Answer: Row4[1]=1, Row4[3]=10, Row2[1]=23, Row3[3]=18

SubType
number-pyramid
Difficulty
medium
Levels
  • [57]
  • [23,34]
  • [7,16,18]
  • [1,6,10,8]
Base
  • 1
  • 6
  • 10
  • 8
TopValue
57
HiddenCells
  • {"r":3,"c":0,"v":1}
  • {"r":3,"c":2,"v":10}
  • {"r":1,"c":0,"v":23}
  • {"r":2,"c":2,"v":18}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [23, 19] → [_, 12, 7] → [_, _, 2, 5]

Show answer

Answer: Row4[1]=1, Row4[2]=10, Row3[1]=11, Row1[1]=42

SubType
number-pyramid
Difficulty
medium
Levels
  • [42]
  • [23,19]
  • [11,12,7]
  • [1,10,2,5]
Base
  • 1
  • 10
  • 2
  • 5
TopValue
42
HiddenCells
  • {"r":3,"c":0,"v":1}
  • {"r":3,"c":1,"v":10}
  • {"r":2,"c":0,"v":11}
  • {"r":0,"c":0,"v":42}