hard Set 91 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [118] → [_, _] → [34, _, 22] → [_, 17, 14, _] → [_, _, _, 7, 1]

Show answer

Answer: Row4[1]=17, Row2[1]=65, Row5[3]=7, Row3[2]=31, Row5[2]=10, Row2[2]=53, Row4[4]=8, Row5[1]=7

SubType
number-pyramid
Difficulty
hard
Levels
  • [118]
  • [65,53]
  • [34,31,22]
  • [17,17,14,8]
  • [7,10,7,7,1]
Base
  • 7
  • 10
  • 7
  • 7
  • 1
TopValue
118
HiddenCells
  • {"r":3,"c":0,"v":17}
  • {"r":1,"c":0,"v":65}
  • {"r":4,"c":2,"v":7}
  • {"r":2,"c":1,"v":31}
  • {"r":4,"c":1,"v":10}
  • {"r":1,"c":1,"v":53}
  • {"r":3,"c":3,"v":8}
  • {"r":4,"c":0,"v":7}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [110] → [_, 53] → [_, 29, _] → [_, _, 14, _] → [_, _, 10, 4, 6]

Show answer

Answer: Row4[1]=13, Row5[2]=5, Row3[1]=28, Row5[1]=8, Row4[2]=15, Row2[1]=57, Row4[4]=10, Row3[3]=24

SubType
number-pyramid
Difficulty
hard
Levels
  • [110]
  • [57,53]
  • [28,29,24]
  • [13,15,14,10]
  • [8,5,10,4,6]
Base
  • 8
  • 5
  • 10
  • 4
  • 6
TopValue
110
HiddenCells
  • {"r":3,"c":0,"v":13}
  • {"r":4,"c":1,"v":5}
  • {"r":2,"c":0,"v":28}
  • {"r":4,"c":0,"v":8}
  • {"r":3,"c":1,"v":15}
  • {"r":1,"c":0,"v":57}
  • {"r":3,"c":3,"v":10}
  • {"r":2,"c":2,"v":24}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 54] → [_, 23, 31] → [_, _, 14, 17] → [5, _, 4, _, _]

Show answer

Answer: Row3[1]=19, Row2[1]=42, Row4[2]=9, Row1[1]=96, Row5[5]=7, Row5[4]=10, Row4[1]=10, Row5[2]=5

SubType
number-pyramid
Difficulty
hard
Levels
  • [96]
  • [42,54]
  • [19,23,31]
  • [10,9,14,17]
  • [5,5,4,10,7]
Base
  • 5
  • 5
  • 4
  • 10
  • 7
TopValue
96
HiddenCells
  • {"r":2,"c":0,"v":19}
  • {"r":1,"c":0,"v":42}
  • {"r":3,"c":1,"v":9}
  • {"r":0,"c":0,"v":96}
  • {"r":4,"c":4,"v":7}
  • {"r":4,"c":3,"v":10}
  • {"r":3,"c":0,"v":10}
  • {"r":4,"c":1,"v":5}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [137] → [72, _] → [36, 36, _] → [_, _, 18, _] → [_, 8, _, 8, _]

Show answer

Answer: Row5[5]=3, Row5[1]=10, Row3[3]=29, Row2[2]=65, Row5[3]=10, Row4[4]=11, Row4[1]=18, Row4[2]=18

SubType
number-pyramid
Difficulty
hard
Levels
  • [137]
  • [72,65]
  • [36,36,29]
  • [18,18,18,11]
  • [10,8,10,8,3]
Base
  • 10
  • 8
  • 10
  • 8
  • 3
TopValue
137
HiddenCells
  • {"r":4,"c":4,"v":3}
  • {"r":4,"c":0,"v":10}
  • {"r":2,"c":2,"v":29}
  • {"r":1,"c":1,"v":65}
  • {"r":4,"c":2,"v":10}
  • {"r":3,"c":3,"v":11}
  • {"r":3,"c":0,"v":18}
  • {"r":3,"c":1,"v":18}