hard Set 83 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [68, _] → [34, _, _] → [_, 19, _, 8] → [6, _, _, 5, 3]

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Answer: Row3[3]=23, Row4[1]=15, Row5[3]=10, Row3[2]=34, Row5[2]=9, Row4[3]=15, Row1[1]=125, Row2[2]=57

SubType
number-pyramid
Difficulty
hard
Levels
  • [125]
  • [68,57]
  • [34,34,23]
  • [15,19,15,8]
  • [6,9,10,5,3]
Base
  • 6
  • 9
  • 10
  • 5
  • 3
TopValue
125
HiddenCells
  • {"r":2,"c":2,"v":23}
  • {"r":3,"c":0,"v":15}
  • {"r":4,"c":2,"v":10}
  • {"r":2,"c":1,"v":34}
  • {"r":4,"c":1,"v":9}
  • {"r":3,"c":2,"v":15}
  • {"r":0,"c":0,"v":125}
  • {"r":1,"c":1,"v":57}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [97] → [51, 46] → [28, _, _] → [_, _, 10, _] → [_, 9, _, 6, _]

Show answer

Answer: Row4[4]=13, Row5[3]=4, Row4[2]=13, Row5[5]=7, Row3[3]=23, Row5[1]=6, Row3[2]=23, Row4[1]=15

SubType
number-pyramid
Difficulty
hard
Levels
  • [97]
  • [51,46]
  • [28,23,23]
  • [15,13,10,13]
  • [6,9,4,6,7]
Base
  • 6
  • 9
  • 4
  • 6
  • 7
TopValue
97
HiddenCells
  • {"r":3,"c":3,"v":13}
  • {"r":4,"c":2,"v":4}
  • {"r":3,"c":1,"v":13}
  • {"r":4,"c":4,"v":7}
  • {"r":2,"c":2,"v":23}
  • {"r":4,"c":0,"v":6}
  • {"r":2,"c":1,"v":23}
  • {"r":3,"c":0,"v":15}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [62] → [_, _] → [21, _, 15] → [_, _, 3, _] → [2, 9, _, 2, _]

Show answer

Answer: Row2[1]=34, Row4[2]=10, Row5[5]=10, Row3[2]=13, Row4[4]=12, Row4[1]=11, Row5[3]=1, Row2[2]=28

SubType
number-pyramid
Difficulty
hard
Levels
  • [62]
  • [34,28]
  • [21,13,15]
  • [11,10,3,12]
  • [2,9,1,2,10]
Base
  • 2
  • 9
  • 1
  • 2
  • 10
TopValue
62
HiddenCells
  • {"r":1,"c":0,"v":34}
  • {"r":3,"c":1,"v":10}
  • {"r":4,"c":4,"v":10}
  • {"r":2,"c":1,"v":13}
  • {"r":3,"c":3,"v":12}
  • {"r":3,"c":0,"v":11}
  • {"r":4,"c":2,"v":1}
  • {"r":1,"c":1,"v":28}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [21, _, 24] → [_, 8, 10, _] → [7, 6, 2, _, _]

Show answer

Answer: Row5[5]=6, Row4[1]=13, Row5[4]=8, Row3[2]=18, Row4[4]=14, Row1[1]=81, Row2[1]=39, Row2[2]=42

SubType
number-pyramid
Difficulty
hard
Levels
  • [81]
  • [39,42]
  • [21,18,24]
  • [13,8,10,14]
  • [7,6,2,8,6]
Base
  • 7
  • 6
  • 2
  • 8
  • 6
TopValue
81
HiddenCells
  • {"r":4,"c":4,"v":6}
  • {"r":3,"c":0,"v":13}
  • {"r":4,"c":3,"v":8}
  • {"r":2,"c":1,"v":18}
  • {"r":3,"c":3,"v":14}
  • {"r":0,"c":0,"v":81}
  • {"r":1,"c":0,"v":39}
  • {"r":1,"c":1,"v":42}