hard Set 11 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [47, _] → [_, 25, 35] → [_, 9, _, _] → [10, 3, _, _, 9]

Show answer

Answer: Row4[4]=19, Row2[2]=60, Row5[4]=10, Row5[3]=6, Row1[1]=107, Row4[3]=16, Row4[1]=13, Row3[1]=22

SubType
number-pyramid
Difficulty
hard
Levels
  • [107]
  • [47,60]
  • [22,25,35]
  • [13,9,16,19]
  • [10,3,6,10,9]
Base
  • 10
  • 3
  • 6
  • 10
  • 9
TopValue
107
HiddenCells
  • {"r":3,"c":3,"v":19}
  • {"r":1,"c":1,"v":60}
  • {"r":4,"c":3,"v":10}
  • {"r":4,"c":2,"v":6}
  • {"r":0,"c":0,"v":107}
  • {"r":3,"c":2,"v":16}
  • {"r":3,"c":0,"v":13}
  • {"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): [119] → [54, 65] → [_, _, 33] → [_, _, 18, _] → [_, 5, 9, _, _]

Show answer

Answer: Row4[2]=14, Row4[4]=15, Row5[5]=6, Row5[1]=3, Row4[1]=8, Row3[1]=22, Row5[4]=9, Row3[2]=32

SubType
number-pyramid
Difficulty
hard
Levels
  • [119]
  • [54,65]
  • [22,32,33]
  • [8,14,18,15]
  • [3,5,9,9,6]
Base
  • 3
  • 5
  • 9
  • 9
  • 6
TopValue
119
HiddenCells
  • {"r":3,"c":1,"v":14}
  • {"r":3,"c":3,"v":15}
  • {"r":4,"c":4,"v":6}
  • {"r":4,"c":0,"v":3}
  • {"r":3,"c":0,"v":8}
  • {"r":2,"c":0,"v":22}
  • {"r":4,"c":3,"v":9}
  • {"r":2,"c":1,"v":32}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [25, _, _] → [15, 10, _, 7] → [6, 9, _, 5, _]

Show answer

Answer: Row5[3]=1, Row2[2]=29, Row5[5]=2, Row3[2]=16, Row3[3]=13, Row2[1]=41, Row1[1]=70, Row4[3]=6

SubType
number-pyramid
Difficulty
hard
Levels
  • [70]
  • [41,29]
  • [25,16,13]
  • [15,10,6,7]
  • [6,9,1,5,2]
Base
  • 6
  • 9
  • 1
  • 5
  • 2
TopValue
70
HiddenCells
  • {"r":4,"c":2,"v":1}
  • {"r":1,"c":1,"v":29}
  • {"r":4,"c":4,"v":2}
  • {"r":2,"c":1,"v":16}
  • {"r":2,"c":2,"v":13}
  • {"r":1,"c":0,"v":41}
  • {"r":0,"c":0,"v":70}
  • {"r":3,"c":2,"v":6}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 55] → [_, 25, _] → [11, _, _, 15] → [8, 3, 7, _, _]

Show answer

Answer: Row4[3]=15, Row5[4]=8, Row1[1]=101, Row5[5]=7, Row2[1]=46, Row3[3]=30, Row4[2]=10, Row3[1]=21

SubType
number-pyramid
Difficulty
hard
Levels
  • [101]
  • [46,55]
  • [21,25,30]
  • [11,10,15,15]
  • [8,3,7,8,7]
Base
  • 8
  • 3
  • 7
  • 8
  • 7
TopValue
101
HiddenCells
  • {"r":3,"c":2,"v":15}
  • {"r":4,"c":3,"v":8}
  • {"r":0,"c":0,"v":101}
  • {"r":4,"c":4,"v":7}
  • {"r":1,"c":0,"v":46}
  • {"r":2,"c":2,"v":30}
  • {"r":3,"c":1,"v":10}
  • {"r":2,"c":0,"v":21}