hard Set 74 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [46, _] → [26, _, _] → [_, 12, 8, 11] → [8, _, 6, _, _]

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Answer: Row1[1]=85, Row3[3]=19, Row5[5]=9, Row2[2]=39, Row5[2]=6, Row3[2]=20, Row4[1]=14, Row5[4]=2

SubType
number-pyramid
Difficulty
hard
Levels
  • [85]
  • [46,39]
  • [26,20,19]
  • [14,12,8,11]
  • [8,6,6,2,9]
Base
  • 8
  • 6
  • 6
  • 2
  • 9
TopValue
85
HiddenCells
  • {"r":0,"c":0,"v":85}
  • {"r":2,"c":2,"v":19}
  • {"r":4,"c":4,"v":9}
  • {"r":1,"c":1,"v":39}
  • {"r":4,"c":1,"v":6}
  • {"r":2,"c":1,"v":20}
  • {"r":3,"c":0,"v":14}
  • {"r":4,"c":3,"v":2}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [84] → [42, 42] → [_, _, _] → [_, _, _, _] → [2, 5, 7, 4, _]

Show answer

Answer: Row4[3]=11, Row4[1]=7, Row3[3]=19, Row4[4]=8, Row4[2]=12, Row3[1]=19, Row3[2]=23, Row5[5]=4

SubType
number-pyramid
Difficulty
hard
Levels
  • [84]
  • [42,42]
  • [19,23,19]
  • [7,12,11,8]
  • [2,5,7,4,4]
Base
  • 2
  • 5
  • 7
  • 4
  • 4
TopValue
84
HiddenCells
  • {"r":3,"c":2,"v":11}
  • {"r":3,"c":0,"v":7}
  • {"r":2,"c":2,"v":19}
  • {"r":3,"c":3,"v":8}
  • {"r":3,"c":1,"v":12}
  • {"r":2,"c":0,"v":19}
  • {"r":2,"c":1,"v":23}
  • {"r":4,"c":4,"v":4}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [66] → [38, _] → [_, 17, _] → [_, 10, 7, _] → [_, 5, 5, _, _]

Show answer

Answer: Row3[3]=11, Row2[2]=28, Row5[5]=2, Row5[4]=2, Row3[1]=21, Row4[1]=11, Row5[1]=6, Row4[4]=4

SubType
number-pyramid
Difficulty
hard
Levels
  • [66]
  • [38,28]
  • [21,17,11]
  • [11,10,7,4]
  • [6,5,5,2,2]
Base
  • 6
  • 5
  • 5
  • 2
  • 2
TopValue
66
HiddenCells
  • {"r":2,"c":2,"v":11}
  • {"r":1,"c":1,"v":28}
  • {"r":4,"c":4,"v":2}
  • {"r":4,"c":3,"v":2}
  • {"r":2,"c":0,"v":21}
  • {"r":3,"c":0,"v":11}
  • {"r":4,"c":0,"v":6}
  • {"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): [80] → [40, 40] → [_, 17, _] → [_, 8, _, _] → [_, 6, 2, _, _]

Show answer

Answer: Row4[3]=9, Row4[1]=15, Row5[1]=9, Row3[3]=23, Row5[4]=7, Row4[4]=14, Row5[5]=7, Row3[1]=23

SubType
number-pyramid
Difficulty
hard
Levels
  • [80]
  • [40,40]
  • [23,17,23]
  • [15,8,9,14]
  • [9,6,2,7,7]
Base
  • 9
  • 6
  • 2
  • 7
  • 7
TopValue
80
HiddenCells
  • {"r":3,"c":2,"v":9}
  • {"r":3,"c":0,"v":15}
  • {"r":4,"c":0,"v":9}
  • {"r":2,"c":2,"v":23}
  • {"r":4,"c":3,"v":7}
  • {"r":3,"c":3,"v":14}
  • {"r":4,"c":4,"v":7}
  • {"r":2,"c":0,"v":23}