medium Set 37 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [15, 24] → [_, 11, 13] → [_, 2, 9, _]

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

SubType
number-pyramid
Difficulty
medium
Levels
  • [39]
  • [15,24]
  • [4,11,13]
  • [2,2,9,4]
Base
  • 2
  • 2
  • 9
  • 4
TopValue
39
HiddenCells
  • {"r":0,"c":0,"v":39}
  • {"r":2,"c":0,"v":4}
  • {"r":3,"c":0,"v":2}
  • {"r":3,"c":3,"v":4}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [31, _] → [19, _, 6] → [9, 10, _, 4]

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Answer: Row4[3]=2, Row2[2]=18, Row1[1]=49, Row3[2]=12

SubType
number-pyramid
Difficulty
medium
Levels
  • [49]
  • [31,18]
  • [19,12,6]
  • [9,10,2,4]
Base
  • 9
  • 10
  • 2
  • 4
TopValue
49
HiddenCells
  • {"r":3,"c":2,"v":2}
  • {"r":1,"c":1,"v":18}
  • {"r":0,"c":0,"v":49}
  • {"r":2,"c":1,"v":12}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [34] → [20, _] → [_, _, 4] → [3, 7, 3, _]

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Answer: Row3[1]=10, Row3[2]=10, Row4[4]=1, Row2[2]=14

SubType
number-pyramid
Difficulty
medium
Levels
  • [34]
  • [20,14]
  • [10,10,4]
  • [3,7,3,1]
Base
  • 3
  • 7
  • 3
  • 1
TopValue
34
HiddenCells
  • {"r":2,"c":0,"v":10}
  • {"r":2,"c":1,"v":10}
  • {"r":3,"c":3,"v":1}
  • {"r":1,"c":1,"v":14}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [16, 8, 4] → [10, _, 2, 2]

Show answer

Answer: Row1[1]=36, Row2[1]=24, Row4[2]=6, Row2[2]=12

SubType
number-pyramid
Difficulty
medium
Levels
  • [36]
  • [24,12]
  • [16,8,4]
  • [10,6,2,2]
Base
  • 10
  • 6
  • 2
  • 2
TopValue
36
HiddenCells
  • {"r":0,"c":0,"v":36}
  • {"r":1,"c":0,"v":24}
  • {"r":3,"c":1,"v":6}
  • {"r":1,"c":1,"v":12}