hard Set 41 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [31, _] → [_, _, 24] → [_, _, _, 12] → [4, 1, _, 6, 6]

Show answer

Answer: Row1[1]=74, Row4[2]=7, Row3[1]=12, Row3[2]=19, Row2[2]=43, Row4[3]=12, Row4[1]=5, Row5[3]=6

SubType
number-pyramid
Difficulty
hard
Levels
  • [74]
  • [31,43]
  • [12,19,24]
  • [5,7,12,12]
  • [4,1,6,6,6]
Base
  • 4
  • 1
  • 6
  • 6
  • 6
TopValue
74
HiddenCells
  • {"r":0,"c":0,"v":74}
  • {"r":3,"c":1,"v":7}
  • {"r":2,"c":0,"v":12}
  • {"r":2,"c":1,"v":19}
  • {"r":1,"c":1,"v":43}
  • {"r":3,"c":2,"v":12}
  • {"r":3,"c":0,"v":5}
  • {"r":4,"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): [_] → [_, 45] → [18, _, _] → [7, 11, _, _] → [_, 3, 8, 3, _]

Show answer

Answer: Row1[1]=85, Row3[3]=23, Row3[2]=22, Row5[5]=9, Row4[3]=11, Row2[1]=40, Row4[4]=12, Row5[1]=4

SubType
number-pyramid
Difficulty
hard
Levels
  • [85]
  • [40,45]
  • [18,22,23]
  • [7,11,11,12]
  • [4,3,8,3,9]
Base
  • 4
  • 3
  • 8
  • 3
  • 9
TopValue
85
HiddenCells
  • {"r":0,"c":0,"v":85}
  • {"r":2,"c":2,"v":23}
  • {"r":2,"c":1,"v":22}
  • {"r":4,"c":4,"v":9}
  • {"r":3,"c":2,"v":11}
  • {"r":1,"c":0,"v":40}
  • {"r":3,"c":3,"v":12}
  • {"r":4,"c":0,"v":4}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [122] → [64, _] → [_, 31, 27] → [_, _, _, _] → [8, 9, 7, _, _]

Show answer

Answer: Row5[4]=8, Row4[3]=15, Row4[1]=17, Row5[5]=4, Row3[1]=33, Row4[4]=12, Row2[2]=58, Row4[2]=16

SubType
number-pyramid
Difficulty
hard
Levels
  • [122]
  • [64,58]
  • [33,31,27]
  • [17,16,15,12]
  • [8,9,7,8,4]
Base
  • 8
  • 9
  • 7
  • 8
  • 4
TopValue
122
HiddenCells
  • {"r":4,"c":3,"v":8}
  • {"r":3,"c":2,"v":15}
  • {"r":3,"c":0,"v":17}
  • {"r":4,"c":4,"v":4}
  • {"r":2,"c":0,"v":33}
  • {"r":3,"c":3,"v":12}
  • {"r":1,"c":1,"v":58}
  • {"r":3,"c":1,"v":16}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [26, 47] → [9, _, _] → [4, _, 12, _] → [3, 1, _, _, _]

Show answer

Answer: Row3[2]=17, Row1[1]=73, Row3[3]=30, Row4[4]=18, Row5[3]=4, Row5[4]=8, Row5[5]=10, Row4[2]=5

SubType
number-pyramid
Difficulty
hard
Levels
  • [73]
  • [26,47]
  • [9,17,30]
  • [4,5,12,18]
  • [3,1,4,8,10]
Base
  • 3
  • 1
  • 4
  • 8
  • 10
TopValue
73
HiddenCells
  • {"r":2,"c":1,"v":17}
  • {"r":0,"c":0,"v":73}
  • {"r":2,"c":2,"v":30}
  • {"r":3,"c":3,"v":18}
  • {"r":4,"c":2,"v":4}
  • {"r":4,"c":3,"v":8}
  • {"r":4,"c":4,"v":10}
  • {"r":3,"c":1,"v":5}