hard Set 57 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 39] → [_, 20, _] → [17, 11, 9, 10] → [9, _, _, _, _]

Show answer

Answer: Row2[1]=48, Row1[1]=87, Row3[3]=19, Row5[2]=8, Row3[1]=28, Row5[5]=4, Row5[4]=6, Row5[3]=3

SubType
number-pyramid
Difficulty
hard
Levels
  • [87]
  • [48,39]
  • [28,20,19]
  • [17,11,9,10]
  • [9,8,3,6,4]
Base
  • 9
  • 8
  • 3
  • 6
  • 4
TopValue
87
HiddenCells
  • {"r":1,"c":0,"v":48}
  • {"r":0,"c":0,"v":87}
  • {"r":2,"c":2,"v":19}
  • {"r":4,"c":1,"v":8}
  • {"r":2,"c":0,"v":28}
  • {"r":4,"c":4,"v":4}
  • {"r":4,"c":3,"v":6}
  • {"r":4,"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): [_] → [_, _] → [39, _, _] → [19, _, 20, _] → [9, _, 10, 10, 10]

Show answer

Answer: Row2[2]=80, Row2[1]=79, Row3[2]=40, Row3[3]=40, Row4[2]=20, Row4[4]=20, Row1[1]=159, Row5[2]=10

SubType
number-pyramid
Difficulty
hard
Levels
  • [159]
  • [79,80]
  • [39,40,40]
  • [19,20,20,20]
  • [9,10,10,10,10]
Base
  • 9
  • 10
  • 10
  • 10
  • 10
TopValue
159
HiddenCells
  • {"r":1,"c":1,"v":80}
  • {"r":1,"c":0,"v":79}
  • {"r":2,"c":1,"v":40}
  • {"r":2,"c":2,"v":40}
  • {"r":3,"c":1,"v":20}
  • {"r":3,"c":3,"v":20}
  • {"r":0,"c":0,"v":159}
  • {"r":4,"c":1,"v":10}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [24, _, 31] → [12, _, _, _] → [9, _, 9, 7, 8]

Show answer

Answer: Row2[2]=59, Row4[2]=12, Row5[2]=3, Row2[1]=52, Row4[4]=15, Row4[3]=16, Row3[2]=28, Row1[1]=111

SubType
number-pyramid
Difficulty
hard
Levels
  • [111]
  • [52,59]
  • [24,28,31]
  • [12,12,16,15]
  • [9,3,9,7,8]
Base
  • 9
  • 3
  • 9
  • 7
  • 8
TopValue
111
HiddenCells
  • {"r":1,"c":1,"v":59}
  • {"r":3,"c":1,"v":12}
  • {"r":4,"c":1,"v":3}
  • {"r":1,"c":0,"v":52}
  • {"r":3,"c":3,"v":15}
  • {"r":3,"c":2,"v":16}
  • {"r":2,"c":1,"v":28}
  • {"r":0,"c":0,"v":111}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [91] → [_, _] → [29, 23, _] → [_, 15, _, 8] → [_, 8, 7, _, _]

Show answer

Answer: Row2[1]=52, Row2[2]=39, Row5[1]=6, Row5[5]=7, Row5[4]=1, Row4[1]=14, Row3[3]=16, Row4[3]=8

SubType
number-pyramid
Difficulty
hard
Levels
  • [91]
  • [52,39]
  • [29,23,16]
  • [14,15,8,8]
  • [6,8,7,1,7]
Base
  • 6
  • 8
  • 7
  • 1
  • 7
TopValue
91
HiddenCells
  • {"r":1,"c":0,"v":52}
  • {"r":1,"c":1,"v":39}
  • {"r":4,"c":0,"v":6}
  • {"r":4,"c":4,"v":7}
  • {"r":4,"c":3,"v":1}
  • {"r":3,"c":0,"v":14}
  • {"r":2,"c":2,"v":16}
  • {"r":3,"c":2,"v":8}