hard Set 29 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [36, 35] → [_, _, _] → [8, 10, 8, _] → [4, _, 6, _, _]

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Answer: Row3[3]=17, Row1[1]=71, Row3[1]=18, Row3[2]=18, Row4[4]=9, Row5[5]=7, Row5[2]=4, Row5[4]=2

SubType
number-pyramid
Difficulty
hard
Levels
  • [71]
  • [36,35]
  • [18,18,17]
  • [8,10,8,9]
  • [4,4,6,2,7]
Base
  • 4
  • 4
  • 6
  • 2
  • 7
TopValue
71
HiddenCells
  • {"r":2,"c":2,"v":17}
  • {"r":0,"c":0,"v":71}
  • {"r":2,"c":0,"v":18}
  • {"r":2,"c":1,"v":18}
  • {"r":3,"c":3,"v":9}
  • {"r":4,"c":4,"v":7}
  • {"r":4,"c":1,"v":4}
  • {"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): [111] → [_, _] → [33, _, 22] → [_, _, 11, 11] → [_, 9, _, 3, _]

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Answer: Row4[1]=16, Row2[2]=50, Row3[2]=28, Row4[2]=17, Row2[1]=61, Row5[1]=7, Row5[5]=8, Row5[3]=8

SubType
number-pyramid
Difficulty
hard
Levels
  • [111]
  • [61,50]
  • [33,28,22]
  • [16,17,11,11]
  • [7,9,8,3,8]
Base
  • 7
  • 9
  • 8
  • 3
  • 8
TopValue
111
HiddenCells
  • {"r":3,"c":0,"v":16}
  • {"r":1,"c":1,"v":50}
  • {"r":2,"c":1,"v":28}
  • {"r":3,"c":1,"v":17}
  • {"r":1,"c":0,"v":61}
  • {"r":4,"c":0,"v":7}
  • {"r":4,"c":4,"v":8}
  • {"r":4,"c":2,"v":8}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [36, _] → [22, _, _] → [_, 11, _, _] → [2, 9, _, 1, 5]

Show answer

Answer: Row3[3]=9, Row2[2]=23, Row4[4]=6, Row5[3]=2, Row4[1]=11, Row4[3]=3, Row1[1]=59, Row3[2]=14

SubType
number-pyramid
Difficulty
hard
Levels
  • [59]
  • [36,23]
  • [22,14,9]
  • [11,11,3,6]
  • [2,9,2,1,5]
Base
  • 2
  • 9
  • 2
  • 1
  • 5
TopValue
59
HiddenCells
  • {"r":2,"c":2,"v":9}
  • {"r":1,"c":1,"v":23}
  • {"r":3,"c":3,"v":6}
  • {"r":4,"c":2,"v":2}
  • {"r":3,"c":0,"v":11}
  • {"r":3,"c":2,"v":3}
  • {"r":0,"c":0,"v":59}
  • {"r":2,"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): [_] → [49, 41] → [_, _, 16] → [_, _, 10, 6] → [_, 7, 8, _, _]

Show answer

Answer: Row5[4]=2, Row3[2]=25, Row3[1]=24, Row1[1]=90, Row5[1]=2, Row5[5]=4, Row4[1]=9, Row4[2]=15

SubType
number-pyramid
Difficulty
hard
Levels
  • [90]
  • [49,41]
  • [24,25,16]
  • [9,15,10,6]
  • [2,7,8,2,4]
Base
  • 2
  • 7
  • 8
  • 2
  • 4
TopValue
90
HiddenCells
  • {"r":4,"c":3,"v":2}
  • {"r":2,"c":1,"v":25}
  • {"r":2,"c":0,"v":24}
  • {"r":0,"c":0,"v":90}
  • {"r":4,"c":0,"v":2}
  • {"r":4,"c":4,"v":4}
  • {"r":3,"c":0,"v":9}
  • {"r":3,"c":1,"v":15}