medium Set 50 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [31, 22] → [18, _, 9] → [9, _, _, 5]

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Answer: Row1[1]=53, Row3[2]=13, Row4[3]=4, Row4[2]=9

SubType
number-pyramid
Difficulty
medium
Levels
  • [53]
  • [31,22]
  • [18,13,9]
  • [9,9,4,5]
Base
  • 9
  • 9
  • 4
  • 5
TopValue
53
HiddenCells
  • {"r":0,"c":0,"v":53}
  • {"r":2,"c":1,"v":13}
  • {"r":3,"c":2,"v":4}
  • {"r":3,"c":1,"v":9}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [51] → [28, _] → [_, _, _] → [2, 10, 6, 1]

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Answer: Row3[2]=16, Row2[2]=23, Row3[3]=7, Row3[1]=12

SubType
number-pyramid
Difficulty
medium
Levels
  • [51]
  • [28,23]
  • [12,16,7]
  • [2,10,6,1]
Base
  • 2
  • 10
  • 6
  • 1
TopValue
51
HiddenCells
  • {"r":2,"c":1,"v":16}
  • {"r":1,"c":1,"v":23}
  • {"r":2,"c":2,"v":7}
  • {"r":2,"c":0,"v":12}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 26] → [18, 13, _] → [_, 8, 5, 8]

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Answer: Row3[3]=13, Row1[1]=57, Row2[1]=31, Row4[1]=10

SubType
number-pyramid
Difficulty
medium
Levels
  • [57]
  • [31,26]
  • [18,13,13]
  • [10,8,5,8]
Base
  • 10
  • 8
  • 5
  • 8
TopValue
57
HiddenCells
  • {"r":2,"c":2,"v":13}
  • {"r":0,"c":0,"v":57}
  • {"r":1,"c":0,"v":31}
  • {"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): [57] → [_, _] → [13, 15, _] → [_, 7, 8, 6]

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Answer: Row2[1]=28, Row3[3]=14, Row4[1]=6, Row2[2]=29

SubType
number-pyramid
Difficulty
medium
Levels
  • [57]
  • [28,29]
  • [13,15,14]
  • [6,7,8,6]
Base
  • 6
  • 7
  • 8
  • 6
TopValue
57
HiddenCells
  • {"r":1,"c":0,"v":28}
  • {"r":2,"c":2,"v":14}
  • {"r":3,"c":0,"v":6}
  • {"r":1,"c":1,"v":29}