hard Set 79 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [53, 58] → [23, _, _] → [8, _, 15, 13] → [_, _, _, _, 7]

Show answer

Answer: Row5[2]=6, Row4[2]=15, Row1[1]=111, Row5[3]=9, Row3[2]=30, Row5[1]=2, Row5[4]=6, Row3[3]=28

SubType
number-pyramid
Difficulty
hard
Levels
  • [111]
  • [53,58]
  • [23,30,28]
  • [8,15,15,13]
  • [2,6,9,6,7]
Base
  • 2
  • 6
  • 9
  • 6
  • 7
TopValue
111
HiddenCells
  • {"r":4,"c":1,"v":6}
  • {"r":3,"c":1,"v":15}
  • {"r":0,"c":0,"v":111}
  • {"r":4,"c":2,"v":9}
  • {"r":2,"c":1,"v":30}
  • {"r":4,"c":0,"v":2}
  • {"r":4,"c":3,"v":6}
  • {"r":2,"c":2,"v":28}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 46] → [_, _, 24] → [6, 10, _, 12] → [_, _, _, 4, 8]

Show answer

Answer: Row5[3]=8, Row5[2]=2, Row3[1]=16, Row5[1]=4, Row4[3]=12, Row2[1]=38, Row3[2]=22, Row1[1]=84

SubType
number-pyramid
Difficulty
hard
Levels
  • [84]
  • [38,46]
  • [16,22,24]
  • [6,10,12,12]
  • [4,2,8,4,8]
Base
  • 4
  • 2
  • 8
  • 4
  • 8
TopValue
84
HiddenCells
  • {"r":4,"c":2,"v":8}
  • {"r":4,"c":1,"v":2}
  • {"r":2,"c":0,"v":16}
  • {"r":4,"c":0,"v":4}
  • {"r":3,"c":2,"v":12}
  • {"r":1,"c":0,"v":38}
  • {"r":2,"c":1,"v":22}
  • {"r":0,"c":0,"v":84}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [119] → [66, _] → [_, 31, 22] → [16, _, _, _] → [6, 10, _, _, _]

Show answer

Answer: Row5[3]=9, Row5[4]=3, Row2[2]=53, Row3[1]=35, Row5[5]=7, Row4[2]=19, Row4[3]=12, Row4[4]=10

SubType
number-pyramid
Difficulty
hard
Levels
  • [119]
  • [66,53]
  • [35,31,22]
  • [16,19,12,10]
  • [6,10,9,3,7]
Base
  • 6
  • 10
  • 9
  • 3
  • 7
TopValue
119
HiddenCells
  • {"r":4,"c":2,"v":9}
  • {"r":4,"c":3,"v":3}
  • {"r":1,"c":1,"v":53}
  • {"r":2,"c":0,"v":35}
  • {"r":4,"c":4,"v":7}
  • {"r":3,"c":1,"v":19}
  • {"r":3,"c":2,"v":12}
  • {"r":3,"c":3,"v":10}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [79] → [39, _] → [18, _, _] → [8, _, _, _] → [_, 3, 7, 4, _]

Show answer

Answer: Row2[2]=40, Row4[4]=8, Row3[2]=21, Row4[3]=11, Row5[5]=4, Row5[1]=5, Row4[2]=10, Row3[3]=19

SubType
number-pyramid
Difficulty
hard
Levels
  • [79]
  • [39,40]
  • [18,21,19]
  • [8,10,11,8]
  • [5,3,7,4,4]
Base
  • 5
  • 3
  • 7
  • 4
  • 4
TopValue
79
HiddenCells
  • {"r":1,"c":1,"v":40}
  • {"r":3,"c":3,"v":8}
  • {"r":2,"c":1,"v":21}
  • {"r":3,"c":2,"v":11}
  • {"r":4,"c":4,"v":4}
  • {"r":4,"c":0,"v":5}
  • {"r":3,"c":1,"v":10}
  • {"r":2,"c":2,"v":19}