hard Set 25 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [_, 27, 25] → [8, 14, _, _] → [4, _, 10, _, 9]

Show answer

Answer: Row1[1]=101, Row4[4]=12, Row2[2]=52, Row2[1]=49, Row5[4]=3, Row4[3]=13, Row3[1]=22, Row5[2]=4

SubType
number-pyramid
Difficulty
hard
Levels
  • [101]
  • [49,52]
  • [22,27,25]
  • [8,14,13,12]
  • [4,4,10,3,9]
Base
  • 4
  • 4
  • 10
  • 3
  • 9
TopValue
101
HiddenCells
  • {"r":0,"c":0,"v":101}
  • {"r":3,"c":3,"v":12}
  • {"r":1,"c":1,"v":52}
  • {"r":1,"c":0,"v":49}
  • {"r":4,"c":3,"v":3}
  • {"r":3,"c":2,"v":13}
  • {"r":2,"c":0,"v":22}
  • {"r":4,"c":1,"v":4}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [107] → [_, _] → [22, _, 25] → [8, 14, _, _] → [_, _, 10, _, 3]

Show answer

Answer: Row5[2]=4, Row2[2]=55, Row4[4]=9, Row5[4]=6, Row4[3]=16, Row2[1]=52, Row5[1]=4, Row3[2]=30

SubType
number-pyramid
Difficulty
hard
Levels
  • [107]
  • [52,55]
  • [22,30,25]
  • [8,14,16,9]
  • [4,4,10,6,3]
Base
  • 4
  • 4
  • 10
  • 6
  • 3
TopValue
107
HiddenCells
  • {"r":4,"c":1,"v":4}
  • {"r":1,"c":1,"v":55}
  • {"r":3,"c":3,"v":9}
  • {"r":4,"c":3,"v":6}
  • {"r":3,"c":2,"v":16}
  • {"r":1,"c":0,"v":52}
  • {"r":4,"c":0,"v":4}
  • {"r":2,"c":1,"v":30}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 52] → [_, 23, 29] → [_, _, 14, 15] → [5, _, _, 7, _]

Show answer

Answer: Row5[3]=7, Row4[1]=7, Row5[2]=2, Row2[1]=39, Row5[5]=8, Row1[1]=91, Row3[1]=16, Row4[2]=9

SubType
number-pyramid
Difficulty
hard
Levels
  • [91]
  • [39,52]
  • [16,23,29]
  • [7,9,14,15]
  • [5,2,7,7,8]
Base
  • 5
  • 2
  • 7
  • 7
  • 8
TopValue
91
HiddenCells
  • {"r":4,"c":2,"v":7}
  • {"r":3,"c":0,"v":7}
  • {"r":4,"c":1,"v":2}
  • {"r":1,"c":0,"v":39}
  • {"r":4,"c":4,"v":8}
  • {"r":0,"c":0,"v":91}
  • {"r":2,"c":0,"v":16}
  • {"r":3,"c":1,"v":9}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [53, _] → [_, 26, _] → [13, 14, _, _] → [7, 6, _, 4, _]

Show answer

Answer: Row3[1]=27, Row4[4]=9, Row3[3]=21, Row5[5]=5, Row2[2]=47, Row4[3]=12, Row1[1]=100, Row5[3]=8

SubType
number-pyramid
Difficulty
hard
Levels
  • [100]
  • [53,47]
  • [27,26,21]
  • [13,14,12,9]
  • [7,6,8,4,5]
Base
  • 7
  • 6
  • 8
  • 4
  • 5
TopValue
100
HiddenCells
  • {"r":2,"c":0,"v":27}
  • {"r":3,"c":3,"v":9}
  • {"r":2,"c":2,"v":21}
  • {"r":4,"c":4,"v":5}
  • {"r":1,"c":1,"v":47}
  • {"r":3,"c":2,"v":12}
  • {"r":0,"c":0,"v":100}
  • {"r":4,"c":2,"v":8}