medium Set 40 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [48] → [28, 20] → [_, _, 7] → [8, _, _, 1]

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Answer: Row3[2]=13, Row4[3]=6, Row3[1]=15, Row4[2]=7

SubType
number-pyramid
Difficulty
medium
Levels
  • [48]
  • [28,20]
  • [15,13,7]
  • [8,7,6,1]
Base
  • 8
  • 7
  • 6
  • 1
TopValue
48
HiddenCells
  • {"r":2,"c":1,"v":13}
  • {"r":3,"c":2,"v":6}
  • {"r":2,"c":0,"v":15}
  • {"r":3,"c":1,"v":7}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [31, _] → [13, 18, _] → [4, 9, _, 9]

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Answer: Row1[1]=67, Row2[2]=36, Row3[3]=18, Row4[3]=9

SubType
number-pyramid
Difficulty
medium
Levels
  • [67]
  • [31,36]
  • [13,18,18]
  • [4,9,9,9]
Base
  • 4
  • 9
  • 9
  • 9
TopValue
67
HiddenCells
  • {"r":0,"c":0,"v":67}
  • {"r":1,"c":1,"v":36}
  • {"r":2,"c":2,"v":18}
  • {"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): [63] → [30, 33] → [_, 16, _] → [_, 6, 10, _]

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Answer: Row3[3]=17, Row3[1]=14, Row4[1]=8, Row4[4]=7

SubType
number-pyramid
Difficulty
medium
Levels
  • [63]
  • [30,33]
  • [14,16,17]
  • [8,6,10,7]
Base
  • 8
  • 6
  • 10
  • 7
TopValue
63
HiddenCells
  • {"r":2,"c":2,"v":17}
  • {"r":2,"c":0,"v":14}
  • {"r":3,"c":0,"v":8}
  • {"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): [_] → [_, 26] → [15, _, 10] → [_, 7, 9, 1]

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Answer: Row3[2]=16, Row4[1]=8, Row2[1]=31, Row1[1]=57

SubType
number-pyramid
Difficulty
medium
Levels
  • [57]
  • [31,26]
  • [15,16,10]
  • [8,7,9,1]
Base
  • 8
  • 7
  • 9
  • 1
TopValue
57
HiddenCells
  • {"r":2,"c":1,"v":16}
  • {"r":3,"c":0,"v":8}
  • {"r":1,"c":0,"v":31}
  • {"r":0,"c":0,"v":57}