hard Set 99 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [75] → [_, 44] → [_, _, _] → [_, 6, _, 16] → [7, 1, _, 6, _]

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Answer: Row3[3]=27, Row4[1]=8, Row3[1]=14, Row5[3]=5, Row5[5]=10, Row4[3]=11, Row3[2]=17, Row2[1]=31

SubType
number-pyramid
Difficulty
hard
Levels
  • [75]
  • [31,44]
  • [14,17,27]
  • [8,6,11,16]
  • [7,1,5,6,10]
Base
  • 7
  • 1
  • 5
  • 6
  • 10
TopValue
75
HiddenCells
  • {"r":2,"c":2,"v":27}
  • {"r":3,"c":0,"v":8}
  • {"r":2,"c":0,"v":14}
  • {"r":4,"c":2,"v":5}
  • {"r":4,"c":4,"v":10}
  • {"r":3,"c":2,"v":11}
  • {"r":2,"c":1,"v":17}
  • {"r":1,"c":0,"v":31}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 24] → [5, _, 16] → [2, _, 5, 11] → [1, _, _, _, _]

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Answer: Row5[2]=1, Row5[3]=2, Row2[1]=13, Row1[1]=37, Row5[5]=8, Row5[4]=3, Row4[2]=3, Row3[2]=8

SubType
number-pyramid
Difficulty
hard
Levels
  • [37]
  • [13,24]
  • [5,8,16]
  • [2,3,5,11]
  • [1,1,2,3,8]
Base
  • 1
  • 1
  • 2
  • 3
  • 8
TopValue
37
HiddenCells
  • {"r":4,"c":1,"v":1}
  • {"r":4,"c":2,"v":2}
  • {"r":1,"c":0,"v":13}
  • {"r":0,"c":0,"v":37}
  • {"r":4,"c":4,"v":8}
  • {"r":4,"c":3,"v":3}
  • {"r":3,"c":1,"v":3}
  • {"r":2,"c":1,"v":8}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [105] → [_, 53] → [_, _, 27] → [12, 14, _, _] → [2, _, 4, _, _]

Show answer

Answer: Row4[4]=15, Row4[3]=12, Row2[1]=52, Row5[5]=7, Row3[2]=26, Row5[2]=10, Row5[4]=8, Row3[1]=26

SubType
number-pyramid
Difficulty
hard
Levels
  • [105]
  • [52,53]
  • [26,26,27]
  • [12,14,12,15]
  • [2,10,4,8,7]
Base
  • 2
  • 10
  • 4
  • 8
  • 7
TopValue
105
HiddenCells
  • {"r":3,"c":3,"v":15}
  • {"r":3,"c":2,"v":12}
  • {"r":1,"c":0,"v":52}
  • {"r":4,"c":4,"v":7}
  • {"r":2,"c":1,"v":26}
  • {"r":4,"c":1,"v":10}
  • {"r":4,"c":3,"v":8}
  • {"r":2,"c":0,"v":26}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [121] → [50, _] → [_, _, 39] → [6, 12, 20, _] → [_, 2, _, _, _]

Show answer

Answer: Row2[2]=71, Row5[3]=10, Row5[4]=10, Row3[1]=18, Row5[5]=9, Row5[1]=4, Row3[2]=32, Row4[4]=19

SubType
number-pyramid
Difficulty
hard
Levels
  • [121]
  • [50,71]
  • [18,32,39]
  • [6,12,20,19]
  • [4,2,10,10,9]
Base
  • 4
  • 2
  • 10
  • 10
  • 9
TopValue
121
HiddenCells
  • {"r":1,"c":1,"v":71}
  • {"r":4,"c":2,"v":10}
  • {"r":4,"c":3,"v":10}
  • {"r":2,"c":0,"v":18}
  • {"r":4,"c":4,"v":9}
  • {"r":4,"c":0,"v":4}
  • {"r":2,"c":1,"v":32}
  • {"r":3,"c":3,"v":19}