medium Set 55 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [16] → [_, _] → [_, _, 3] → [6, 1, 2, 1]

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Answer: Row3[2]=3, Row3[1]=7, Row2[1]=10, Row2[2]=6

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

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [23, 17] → [15, 8, 9] → [9, _, _, _]

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Answer: Row1[1]=40, Row4[4]=7, Row4[2]=6, Row4[3]=2

SubType
number-pyramid
Difficulty
medium
Levels
  • [40]
  • [23,17]
  • [15,8,9]
  • [9,6,2,7]
Base
  • 9
  • 6
  • 2
  • 7
TopValue
40
HiddenCells
  • {"r":0,"c":0,"v":40}
  • {"r":3,"c":3,"v":7}
  • {"r":3,"c":1,"v":6}
  • {"r":3,"c":2,"v":2}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [59] → [28, 31] → [13, 15, _] → [7, _, _, _]

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Answer: Row3[3]=16, Row4[4]=7, Row4[2]=6, Row4[3]=9

SubType
number-pyramid
Difficulty
medium
Levels
  • [59]
  • [28,31]
  • [13,15,16]
  • [7,6,9,7]
Base
  • 7
  • 6
  • 9
  • 7
TopValue
59
HiddenCells
  • {"r":2,"c":2,"v":16}
  • {"r":3,"c":3,"v":7}
  • {"r":3,"c":1,"v":6}
  • {"r":3,"c":2,"v":9}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [20, 19] → [13, _, 12] → [10, _, 4, _]

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Answer: Row4[4]=8, Row1[1]=39, Row4[2]=3, Row3[2]=7

SubType
number-pyramid
Difficulty
medium
Levels
  • [39]
  • [20,19]
  • [13,7,12]
  • [10,3,4,8]
Base
  • 10
  • 3
  • 4
  • 8
TopValue
39
HiddenCells
  • {"r":3,"c":3,"v":8}
  • {"r":0,"c":0,"v":39}
  • {"r":3,"c":1,"v":3}
  • {"r":2,"c":1,"v":7}