medium Set 78 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [34, 37] → [15, _, _] → [5, 10, 9, _]

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Answer: Row4[4]=9, Row3[2]=19, Row3[3]=18, Row1[1]=71

SubType
number-pyramid
Difficulty
medium
Levels
  • [71]
  • [34,37]
  • [15,19,18]
  • [5,10,9,9]
Base
  • 5
  • 10
  • 9
  • 9
TopValue
71
HiddenCells
  • {"r":3,"c":3,"v":9}
  • {"r":2,"c":1,"v":19}
  • {"r":2,"c":2,"v":18}
  • {"r":0,"c":0,"v":71}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [30, 37] → [12, _, 19] → [4, _, _, 9]

Show answer

Answer: Row1[1]=67, Row4[2]=8, Row3[2]=18, Row4[3]=10

SubType
number-pyramid
Difficulty
medium
Levels
  • [67]
  • [30,37]
  • [12,18,19]
  • [4,8,10,9]
Base
  • 4
  • 8
  • 10
  • 9
TopValue
67
HiddenCells
  • {"r":0,"c":0,"v":67}
  • {"r":3,"c":1,"v":8}
  • {"r":2,"c":1,"v":18}
  • {"r":3,"c":2,"v":10}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [46] → [_, 25] → [10, 11, 14] → [5, _, _, _]

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Answer: Row2[1]=21, Row4[4]=8, Row4[3]=6, Row4[2]=5

SubType
number-pyramid
Difficulty
medium
Levels
  • [46]
  • [21,25]
  • [10,11,14]
  • [5,5,6,8]
Base
  • 5
  • 5
  • 6
  • 8
TopValue
46
HiddenCells
  • {"r":1,"c":0,"v":21}
  • {"r":3,"c":3,"v":8}
  • {"r":3,"c":2,"v":6}
  • {"r":3,"c":1,"v":5}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [46] → [23, _] → [_, 10, 13] → [7, _, 4, _]

Show answer

Answer: Row4[2]=6, Row2[2]=23, Row4[4]=9, Row3[1]=13

SubType
number-pyramid
Difficulty
medium
Levels
  • [46]
  • [23,23]
  • [13,10,13]
  • [7,6,4,9]
Base
  • 7
  • 6
  • 4
  • 9
TopValue
46
HiddenCells
  • {"r":3,"c":1,"v":6}
  • {"r":1,"c":1,"v":23}
  • {"r":3,"c":3,"v":9}
  • {"r":2,"c":0,"v":13}