hard Set 100 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [50, _] → [_, 26, 32] → [_, _, _, _] → [_, 5, 6, 9, 8]

Show answer

Answer: Row3[1]=24, Row2[2]=58, Row4[3]=15, Row4[2]=11, Row4[1]=13, Row4[4]=17, Row5[1]=8, Row1[1]=108

SubType
number-pyramid
Difficulty
hard
Levels
  • [108]
  • [50,58]
  • [24,26,32]
  • [13,11,15,17]
  • [8,5,6,9,8]
Base
  • 8
  • 5
  • 6
  • 9
  • 8
TopValue
108
HiddenCells
  • {"r":2,"c":0,"v":24}
  • {"r":1,"c":1,"v":58}
  • {"r":3,"c":2,"v":15}
  • {"r":3,"c":1,"v":11}
  • {"r":3,"c":0,"v":13}
  • {"r":3,"c":3,"v":17}
  • {"r":4,"c":0,"v":8}
  • {"r":0,"c":0,"v":108}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [23, 17, _] → [_, 8, 9, _] → [10, 5, _, 6, _]

Show answer

Answer: Row2[1]=40, Row4[1]=15, Row3[3]=23, Row5[3]=3, Row2[2]=40, Row4[4]=14, Row5[5]=8, Row1[1]=80

SubType
number-pyramid
Difficulty
hard
Levels
  • [80]
  • [40,40]
  • [23,17,23]
  • [15,8,9,14]
  • [10,5,3,6,8]
Base
  • 10
  • 5
  • 3
  • 6
  • 8
TopValue
80
HiddenCells
  • {"r":1,"c":0,"v":40}
  • {"r":3,"c":0,"v":15}
  • {"r":2,"c":2,"v":23}
  • {"r":4,"c":2,"v":3}
  • {"r":1,"c":1,"v":40}
  • {"r":3,"c":3,"v":14}
  • {"r":4,"c":4,"v":8}
  • {"r":0,"c":0,"v":80}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [90] → [50, _] → [25, _, 15] → [_, _, _, _] → [2, _, _, 3, 2]

Show answer

Answer: Row3[2]=25, Row5[3]=7, Row4[1]=10, Row2[2]=40, Row4[3]=10, Row4[4]=5, Row4[2]=15, Row5[2]=8

SubType
number-pyramid
Difficulty
hard
Levels
  • [90]
  • [50,40]
  • [25,25,15]
  • [10,15,10,5]
  • [2,8,7,3,2]
Base
  • 2
  • 8
  • 7
  • 3
  • 2
TopValue
90
HiddenCells
  • {"r":2,"c":1,"v":25}
  • {"r":4,"c":2,"v":7}
  • {"r":3,"c":0,"v":10}
  • {"r":1,"c":1,"v":40}
  • {"r":3,"c":2,"v":10}
  • {"r":3,"c":3,"v":5}
  • {"r":3,"c":1,"v":15}
  • {"r":4,"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): [_] → [_, _] → [28, 29, _] → [15, 13, 16, 10] → [_, _, _, _, 2]

Show answer

Answer: Row1[1]=112, Row5[4]=8, Row5[1]=10, Row5[2]=5, Row2[1]=57, Row2[2]=55, Row5[3]=8, Row3[3]=26

SubType
number-pyramid
Difficulty
hard
Levels
  • [112]
  • [57,55]
  • [28,29,26]
  • [15,13,16,10]
  • [10,5,8,8,2]
Base
  • 10
  • 5
  • 8
  • 8
  • 2
TopValue
112
HiddenCells
  • {"r":0,"c":0,"v":112}
  • {"r":4,"c":3,"v":8}
  • {"r":4,"c":0,"v":10}
  • {"r":4,"c":1,"v":5}
  • {"r":1,"c":0,"v":57}
  • {"r":1,"c":1,"v":55}
  • {"r":4,"c":2,"v":8}
  • {"r":2,"c":2,"v":26}