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): [_] → [33, 29] → [_, 12, 17] → [_, _, 5, _] → [8, 6, _, _, _]

Show answer

Answer: Row5[3]=1, Row3[1]=21, Row5[5]=8, Row5[4]=4, Row4[2]=7, Row1[1]=62, Row4[4]=12, Row4[1]=14

SubType
number-pyramid
Difficulty
hard
Levels
  • [62]
  • [33,29]
  • [21,12,17]
  • [14,7,5,12]
  • [8,6,1,4,8]
Base
  • 8
  • 6
  • 1
  • 4
  • 8
TopValue
62
HiddenCells
  • {"r":4,"c":2,"v":1}
  • {"r":2,"c":0,"v":21}
  • {"r":4,"c":4,"v":8}
  • {"r":4,"c":3,"v":4}
  • {"r":3,"c":1,"v":7}
  • {"r":0,"c":0,"v":62}
  • {"r":3,"c":3,"v":12}
  • {"r":3,"c":0,"v":14}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [35, _] → [_, 16, 18] → [10, _, _, _] → [7, 3, _, _, 10]

Show answer

Answer: Row3[1]=19, Row5[3]=6, Row5[4]=1, Row4[4]=11, Row4[3]=7, Row1[1]=69, Row4[2]=9, Row2[2]=34

SubType
number-pyramid
Difficulty
hard
Levels
  • [69]
  • [35,34]
  • [19,16,18]
  • [10,9,7,11]
  • [7,3,6,1,10]
Base
  • 7
  • 3
  • 6
  • 1
  • 10
TopValue
69
HiddenCells
  • {"r":2,"c":0,"v":19}
  • {"r":4,"c":2,"v":6}
  • {"r":4,"c":3,"v":1}
  • {"r":3,"c":3,"v":11}
  • {"r":3,"c":2,"v":7}
  • {"r":0,"c":0,"v":69}
  • {"r":3,"c":1,"v":9}
  • {"r":1,"c":1,"v":34}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [33] → [_, 13] → [_, 7, _] → [_, 4, _, _] → [6, 3, _, _, 1]

Show answer

Answer: Row5[3]=1, Row3[1]=13, Row4[1]=9, Row3[3]=6, Row4[4]=3, Row5[4]=2, Row2[1]=20, Row4[3]=3

SubType
number-pyramid
Difficulty
hard
Levels
  • [33]
  • [20,13]
  • [13,7,6]
  • [9,4,3,3]
  • [6,3,1,2,1]
Base
  • 6
  • 3
  • 1
  • 2
  • 1
TopValue
33
HiddenCells
  • {"r":4,"c":2,"v":1}
  • {"r":2,"c":0,"v":13}
  • {"r":3,"c":0,"v":9}
  • {"r":2,"c":2,"v":6}
  • {"r":3,"c":3,"v":3}
  • {"r":4,"c":3,"v":2}
  • {"r":1,"c":0,"v":20}
  • {"r":3,"c":2,"v":3}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [91] → [50, 41] → [30, 20, _] → [_, _, _, _] → [10, _, _, _, 9]

Show answer

Answer: Row4[2]=12, Row4[1]=18, Row4[3]=8, Row5[4]=4, Row5[2]=8, Row4[4]=13, Row3[3]=21, Row5[3]=4

SubType
number-pyramid
Difficulty
hard
Levels
  • [91]
  • [50,41]
  • [30,20,21]
  • [18,12,8,13]
  • [10,8,4,4,9]
Base
  • 10
  • 8
  • 4
  • 4
  • 9
TopValue
91
HiddenCells
  • {"r":3,"c":1,"v":12}
  • {"r":3,"c":0,"v":18}
  • {"r":3,"c":2,"v":8}
  • {"r":4,"c":3,"v":4}
  • {"r":4,"c":1,"v":8}
  • {"r":3,"c":3,"v":13}
  • {"r":2,"c":2,"v":21}
  • {"r":4,"c":2,"v":4}