hard Set 86 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [57, 50] → [_, _, _] → [18, 13, _, 11] → [10, _, _, 8, _]

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Answer: Row3[1]=31, Row4[3]=13, Row3[3]=24, Row5[2]=8, Row5[5]=3, Row3[2]=26, Row5[3]=5, Row1[1]=107

SubType
number-pyramid
Difficulty
hard
Levels
  • [107]
  • [57,50]
  • [31,26,24]
  • [18,13,13,11]
  • [10,8,5,8,3]
Base
  • 10
  • 8
  • 5
  • 8
  • 3
TopValue
107
HiddenCells
  • {"r":2,"c":0,"v":31}
  • {"r":3,"c":2,"v":13}
  • {"r":2,"c":2,"v":24}
  • {"r":4,"c":1,"v":8}
  • {"r":4,"c":4,"v":3}
  • {"r":2,"c":1,"v":26}
  • {"r":4,"c":2,"v":5}
  • {"r":0,"c":0,"v":107}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 33] → [_, 16, 17] → [_, 9, _, 10] → [_, _, 6, 1, _]

Show answer

Answer: Row3[1]=14, Row5[5]=9, Row4[1]=5, Row5[2]=3, Row1[1]=63, Row2[1]=30, Row5[1]=2, Row4[3]=7

SubType
number-pyramid
Difficulty
hard
Levels
  • [63]
  • [30,33]
  • [14,16,17]
  • [5,9,7,10]
  • [2,3,6,1,9]
Base
  • 2
  • 3
  • 6
  • 1
  • 9
TopValue
63
HiddenCells
  • {"r":2,"c":0,"v":14}
  • {"r":4,"c":4,"v":9}
  • {"r":3,"c":0,"v":5}
  • {"r":4,"c":1,"v":3}
  • {"r":0,"c":0,"v":63}
  • {"r":1,"c":0,"v":30}
  • {"r":4,"c":0,"v":2}
  • {"r":3,"c":2,"v":7}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [25, _, 14] → [14, 11, _, _] → [_, 10, _, 4, 5]

Show answer

Answer: Row5[1]=4, Row1[1]=71, Row4[3]=5, Row2[2]=30, Row2[1]=41, Row4[4]=9, Row3[2]=16, Row5[3]=1

SubType
number-pyramid
Difficulty
hard
Levels
  • [71]
  • [41,30]
  • [25,16,14]
  • [14,11,5,9]
  • [4,10,1,4,5]
Base
  • 4
  • 10
  • 1
  • 4
  • 5
TopValue
71
HiddenCells
  • {"r":4,"c":0,"v":4}
  • {"r":0,"c":0,"v":71}
  • {"r":3,"c":2,"v":5}
  • {"r":1,"c":1,"v":30}
  • {"r":1,"c":0,"v":41}
  • {"r":3,"c":3,"v":9}
  • {"r":2,"c":1,"v":16}
  • {"r":4,"c":2,"v":1}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [87] → [_, _] → [_, 23, _] → [4, _, 13, _] → [3, 1, _, _, 10]

Show answer

Answer: Row5[4]=4, Row5[3]=9, Row3[3]=27, Row4[4]=14, Row2[1]=37, Row2[2]=50, Row4[2]=10, Row3[1]=14

SubType
number-pyramid
Difficulty
hard
Levels
  • [87]
  • [37,50]
  • [14,23,27]
  • [4,10,13,14]
  • [3,1,9,4,10]
Base
  • 3
  • 1
  • 9
  • 4
  • 10
TopValue
87
HiddenCells
  • {"r":4,"c":3,"v":4}
  • {"r":4,"c":2,"v":9}
  • {"r":2,"c":2,"v":27}
  • {"r":3,"c":3,"v":14}
  • {"r":1,"c":0,"v":37}
  • {"r":1,"c":1,"v":50}
  • {"r":3,"c":1,"v":10}
  • {"r":2,"c":0,"v":14}