hard Set 38 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 58] → [_, _, 29] → [_, 15, 14, _] → [10, 9, 6, _, _]

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Answer: Row4[4]=15, Row5[4]=8, Row1[1]=121, Row5[5]=7, Row4[1]=19, Row2[1]=63, Row3[1]=34, Row3[2]=29

SubType
number-pyramid
Difficulty
hard
Levels
  • [121]
  • [63,58]
  • [34,29,29]
  • [19,15,14,15]
  • [10,9,6,8,7]
Base
  • 10
  • 9
  • 6
  • 8
  • 7
TopValue
121
HiddenCells
  • {"r":3,"c":3,"v":15}
  • {"r":4,"c":3,"v":8}
  • {"r":0,"c":0,"v":121}
  • {"r":4,"c":4,"v":7}
  • {"r":3,"c":0,"v":19}
  • {"r":1,"c":0,"v":63}
  • {"r":2,"c":0,"v":34}
  • {"r":2,"c":1,"v":29}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [65] → [31, 34] → [_, _, _] → [_, 7, 8, 11] → [_, _, 2, _, _]

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Answer: Row5[5]=5, Row3[2]=15, Row5[2]=5, Row4[1]=9, Row3[3]=19, Row5[4]=6, Row5[1]=4, Row3[1]=16

SubType
number-pyramid
Difficulty
hard
Levels
  • [65]
  • [31,34]
  • [16,15,19]
  • [9,7,8,11]
  • [4,5,2,6,5]
Base
  • 4
  • 5
  • 2
  • 6
  • 5
TopValue
65
HiddenCells
  • {"r":4,"c":4,"v":5}
  • {"r":2,"c":1,"v":15}
  • {"r":4,"c":1,"v":5}
  • {"r":3,"c":0,"v":9}
  • {"r":2,"c":2,"v":19}
  • {"r":4,"c":3,"v":6}
  • {"r":4,"c":0,"v":4}
  • {"r":2,"c":0,"v":16}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [71] → [_, _] → [_, _, 13] → [13, _, _, 7] → [_, 10, _, 5, 2]

Show answer

Answer: Row3[2]=17, Row5[1]=3, Row4[2]=11, Row3[1]=24, Row4[3]=6, Row5[3]=1, Row2[1]=41, Row2[2]=30

SubType
number-pyramid
Difficulty
hard
Levels
  • [71]
  • [41,30]
  • [24,17,13]
  • [13,11,6,7]
  • [3,10,1,5,2]
Base
  • 3
  • 10
  • 1
  • 5
  • 2
TopValue
71
HiddenCells
  • {"r":2,"c":1,"v":17}
  • {"r":4,"c":0,"v":3}
  • {"r":3,"c":1,"v":11}
  • {"r":2,"c":0,"v":24}
  • {"r":3,"c":2,"v":6}
  • {"r":4,"c":2,"v":1}
  • {"r":1,"c":0,"v":41}
  • {"r":1,"c":1,"v":30}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [31, _] → [_, _, 16] → [_, _, 7, 9] → [_, _, 6, 1, 8]

Show answer

Answer: Row5[2]=3, Row4[1]=6, Row1[1]=63, Row3[1]=15, Row5[1]=3, Row3[2]=16, Row4[2]=9, Row2[2]=32

SubType
number-pyramid
Difficulty
hard
Levels
  • [63]
  • [31,32]
  • [15,16,16]
  • [6,9,7,9]
  • [3,3,6,1,8]
Base
  • 3
  • 3
  • 6
  • 1
  • 8
TopValue
63
HiddenCells
  • {"r":4,"c":1,"v":3}
  • {"r":3,"c":0,"v":6}
  • {"r":0,"c":0,"v":63}
  • {"r":2,"c":0,"v":15}
  • {"r":4,"c":0,"v":3}
  • {"r":2,"c":1,"v":16}
  • {"r":3,"c":1,"v":9}
  • {"r":1,"c":1,"v":32}