hard Set 19 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 39] → [28, 24, 15] → [15, _, 11, _] → [_, _, _, _, 1]

Show answer

Answer: Row5[2]=5, Row1[1]=91, Row5[3]=8, Row4[2]=13, Row5[1]=10, Row5[4]=3, Row4[4]=4, Row2[1]=52

SubType
number-pyramid
Difficulty
hard
Levels
  • [91]
  • [52,39]
  • [28,24,15]
  • [15,13,11,4]
  • [10,5,8,3,1]
Base
  • 10
  • 5
  • 8
  • 3
  • 1
TopValue
91
HiddenCells
  • {"r":4,"c":1,"v":5}
  • {"r":0,"c":0,"v":91}
  • {"r":4,"c":2,"v":8}
  • {"r":3,"c":1,"v":13}
  • {"r":4,"c":0,"v":10}
  • {"r":4,"c":3,"v":3}
  • {"r":3,"c":3,"v":4}
  • {"r":1,"c":0,"v":52}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [61, 52] → [_, _, _] → [14, _, 13, 9] → [6, 8, _, _, _]

Show answer

Answer: Row3[1]=31, Row4[2]=17, Row5[3]=9, Row1[1]=113, Row5[5]=5, Row3[3]=22, Row3[2]=30, Row5[4]=4

SubType
number-pyramid
Difficulty
hard
Levels
  • [113]
  • [61,52]
  • [31,30,22]
  • [14,17,13,9]
  • [6,8,9,4,5]
Base
  • 6
  • 8
  • 9
  • 4
  • 5
TopValue
113
HiddenCells
  • {"r":2,"c":0,"v":31}
  • {"r":3,"c":1,"v":17}
  • {"r":4,"c":2,"v":9}
  • {"r":0,"c":0,"v":113}
  • {"r":4,"c":4,"v":5}
  • {"r":2,"c":2,"v":22}
  • {"r":2,"c":1,"v":30}
  • {"r":4,"c":3,"v":4}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [110] → [_, 54] → [_, 27, _] → [_, _, _, _] → [7, 9, 4, _, 3]

Show answer

Answer: Row4[3]=14, Row3[1]=29, Row3[3]=27, Row5[4]=10, Row2[1]=56, Row4[2]=13, Row4[4]=13, Row4[1]=16

SubType
number-pyramid
Difficulty
hard
Levels
  • [110]
  • [56,54]
  • [29,27,27]
  • [16,13,14,13]
  • [7,9,4,10,3]
Base
  • 7
  • 9
  • 4
  • 10
  • 3
TopValue
110
HiddenCells
  • {"r":3,"c":2,"v":14}
  • {"r":2,"c":0,"v":29}
  • {"r":2,"c":2,"v":27}
  • {"r":4,"c":3,"v":10}
  • {"r":1,"c":0,"v":56}
  • {"r":3,"c":1,"v":13}
  • {"r":3,"c":3,"v":13}
  • {"r":3,"c":0,"v":16}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [92] → [_, _] → [_, _, 22] → [_, 12, _, 11] → [_, 10, _, 9, 2]

Show answer

Answer: Row2[2]=45, Row4[1]=12, Row5[3]=2, Row4[3]=11, Row3[1]=24, Row2[1]=47, Row5[1]=2, Row3[2]=23

SubType
number-pyramid
Difficulty
hard
Levels
  • [92]
  • [47,45]
  • [24,23,22]
  • [12,12,11,11]
  • [2,10,2,9,2]
Base
  • 2
  • 10
  • 2
  • 9
  • 2
TopValue
92
HiddenCells
  • {"r":1,"c":1,"v":45}
  • {"r":3,"c":0,"v":12}
  • {"r":4,"c":2,"v":2}
  • {"r":3,"c":2,"v":11}
  • {"r":2,"c":0,"v":24}
  • {"r":1,"c":0,"v":47}
  • {"r":4,"c":0,"v":2}
  • {"r":2,"c":1,"v":23}