hard Set 77 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [117] → [54, _] → [24, _, _] → [_, _, _, 16] → [_, 4, 9, _, 8]

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Answer: Row4[2]=13, Row2[2]=63, Row4[3]=17, Row3[3]=33, Row3[2]=30, Row5[4]=8, Row4[1]=11, Row5[1]=7

SubType
number-pyramid
Difficulty
hard
Levels
  • [117]
  • [54,63]
  • [24,30,33]
  • [11,13,17,16]
  • [7,4,9,8,8]
Base
  • 7
  • 4
  • 9
  • 8
  • 8
TopValue
117
HiddenCells
  • {"r":3,"c":1,"v":13}
  • {"r":1,"c":1,"v":63}
  • {"r":3,"c":2,"v":17}
  • {"r":2,"c":2,"v":33}
  • {"r":2,"c":1,"v":30}
  • {"r":4,"c":3,"v":8}
  • {"r":3,"c":0,"v":11}
  • {"r":4,"c":0,"v":7}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [_, 32, _] → [13, 17, 15, _] → [_, 9, _, 7, 1]

Show answer

Answer: Row5[3]=8, Row2[2]=55, Row2[1]=62, Row4[4]=8, Row3[1]=30, Row1[1]=117, Row5[1]=4, Row3[3]=23

SubType
number-pyramid
Difficulty
hard
Levels
  • [117]
  • [62,55]
  • [30,32,23]
  • [13,17,15,8]
  • [4,9,8,7,1]
Base
  • 4
  • 9
  • 8
  • 7
  • 1
TopValue
117
HiddenCells
  • {"r":4,"c":2,"v":8}
  • {"r":1,"c":1,"v":55}
  • {"r":1,"c":0,"v":62}
  • {"r":3,"c":3,"v":8}
  • {"r":2,"c":0,"v":30}
  • {"r":0,"c":0,"v":117}
  • {"r":4,"c":0,"v":4}
  • {"r":2,"c":2,"v":23}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [16, _] → [9, 7, _] → [_, _, _, 7] → [2, 3, 1, _, _]

Show answer

Answer: Row2[2]=17, Row4[3]=3, Row4[1]=5, Row1[1]=33, Row4[2]=4, Row5[4]=2, Row5[5]=5, Row3[3]=10

SubType
number-pyramid
Difficulty
hard
Levels
  • [33]
  • [16,17]
  • [9,7,10]
  • [5,4,3,7]
  • [2,3,1,2,5]
Base
  • 2
  • 3
  • 1
  • 2
  • 5
TopValue
33
HiddenCells
  • {"r":1,"c":1,"v":17}
  • {"r":3,"c":2,"v":3}
  • {"r":3,"c":0,"v":5}
  • {"r":0,"c":0,"v":33}
  • {"r":3,"c":1,"v":4}
  • {"r":4,"c":3,"v":2}
  • {"r":4,"c":4,"v":5}
  • {"r":2,"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): [58] → [30, _] → [13, _, 11] → [_, 9, _, 3] → [1, _, _, _, _]

Show answer

Answer: Row4[1]=4, Row4[3]=8, Row5[3]=6, Row5[4]=2, Row5[2]=3, Row5[5]=1, Row2[2]=28, Row3[2]=17

SubType
number-pyramid
Difficulty
hard
Levels
  • [58]
  • [30,28]
  • [13,17,11]
  • [4,9,8,3]
  • [1,3,6,2,1]
Base
  • 1
  • 3
  • 6
  • 2
  • 1
TopValue
58
HiddenCells
  • {"r":3,"c":0,"v":4}
  • {"r":3,"c":2,"v":8}
  • {"r":4,"c":2,"v":6}
  • {"r":4,"c":3,"v":2}
  • {"r":4,"c":1,"v":3}
  • {"r":4,"c":4,"v":1}
  • {"r":1,"c":1,"v":28}
  • {"r":2,"c":1,"v":17}