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): [_] → [36, 25] → [_, 14, 11] → [13, _, _, 6] → [5, _, _, _, _]

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Answer: Row5[3]=1, Row4[3]=5, Row1[1]=61, Row5[5]=2, Row5[2]=8, Row5[4]=4, Row4[2]=9, Row3[1]=22

SubType
number-pyramid
Difficulty
hard
Levels
  • [61]
  • [36,25]
  • [22,14,11]
  • [13,9,5,6]
  • [5,8,1,4,2]
Base
  • 5
  • 8
  • 1
  • 4
  • 2
TopValue
61
HiddenCells
  • {"r":4,"c":2,"v":1}
  • {"r":3,"c":2,"v":5}
  • {"r":0,"c":0,"v":61}
  • {"r":4,"c":4,"v":2}
  • {"r":4,"c":1,"v":8}
  • {"r":4,"c":3,"v":4}
  • {"r":3,"c":1,"v":9}
  • {"r":2,"c":0,"v":22}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [108] → [58, 50] → [29, _, _] → [_, _, 13, _] → [_, _, 9, 4, _]

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Answer: Row4[2]=16, Row4[1]=13, Row5[1]=6, Row3[3]=21, Row4[4]=8, Row3[2]=29, Row5[2]=7, Row5[5]=4

SubType
number-pyramid
Difficulty
hard
Levels
  • [108]
  • [58,50]
  • [29,29,21]
  • [13,16,13,8]
  • [6,7,9,4,4]
Base
  • 6
  • 7
  • 9
  • 4
  • 4
TopValue
108
HiddenCells
  • {"r":3,"c":1,"v":16}
  • {"r":3,"c":0,"v":13}
  • {"r":4,"c":0,"v":6}
  • {"r":2,"c":2,"v":21}
  • {"r":3,"c":3,"v":8}
  • {"r":2,"c":1,"v":29}
  • {"r":4,"c":1,"v":7}
  • {"r":4,"c":4,"v":4}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [80] → [_, 42] → [_, _, 22] → [_, 10, 10, _] → [6, _, 8, _, _]

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Answer: Row3[1]=18, Row5[5]=10, Row5[2]=2, Row2[1]=38, Row5[4]=2, Row3[2]=20, Row4[4]=12, Row4[1]=8

SubType
number-pyramid
Difficulty
hard
Levels
  • [80]
  • [38,42]
  • [18,20,22]
  • [8,10,10,12]
  • [6,2,8,2,10]
Base
  • 6
  • 2
  • 8
  • 2
  • 10
TopValue
80
HiddenCells
  • {"r":2,"c":0,"v":18}
  • {"r":4,"c":4,"v":10}
  • {"r":4,"c":1,"v":2}
  • {"r":1,"c":0,"v":38}
  • {"r":4,"c":3,"v":2}
  • {"r":2,"c":1,"v":20}
  • {"r":3,"c":3,"v":12}
  • {"r":3,"c":0,"v":8}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [108] → [_, _] → [30, _, 24] → [_, 14, _, _] → [9, 7, 7, _, _]

Show answer

Answer: Row4[3]=13, Row4[1]=16, Row2[1]=57, Row2[2]=51, Row4[4]=11, Row5[5]=5, Row5[4]=6, Row3[2]=27

SubType
number-pyramid
Difficulty
hard
Levels
  • [108]
  • [57,51]
  • [30,27,24]
  • [16,14,13,11]
  • [9,7,7,6,5]
Base
  • 9
  • 7
  • 7
  • 6
  • 5
TopValue
108
HiddenCells
  • {"r":3,"c":2,"v":13}
  • {"r":3,"c":0,"v":16}
  • {"r":1,"c":0,"v":57}
  • {"r":1,"c":1,"v":51}
  • {"r":3,"c":3,"v":11}
  • {"r":4,"c":4,"v":5}
  • {"r":4,"c":3,"v":6}
  • {"r":2,"c":1,"v":27}