hard Set 51 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 46] → [_, 18, 28] → [5, 6, _, _] → [_, _, _, 8, 8]

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Answer: Row2[1]=29, Row1[1]=75, Row3[1]=11, Row4[4]=16, Row5[1]=3, Row4[3]=12, Row5[2]=2, Row5[3]=4

SubType
number-pyramid
Difficulty
hard
Levels
  • [75]
  • [29,46]
  • [11,18,28]
  • [5,6,12,16]
  • [3,2,4,8,8]
Base
  • 3
  • 2
  • 4
  • 8
  • 8
TopValue
75
HiddenCells
  • {"r":1,"c":0,"v":29}
  • {"r":0,"c":0,"v":75}
  • {"r":2,"c":0,"v":11}
  • {"r":3,"c":3,"v":16}
  • {"r":4,"c":0,"v":3}
  • {"r":3,"c":2,"v":12}
  • {"r":4,"c":1,"v":2}
  • {"r":4,"c":2,"v":4}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [62] → [22, 40] → [_, _, _] → [5, _, 11, _] → [_, _, _, 10, 5]

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Answer: Row5[3]=1, Row5[1]=3, Row3[1]=8, Row3[3]=26, Row3[2]=14, Row4[2]=3, Row4[4]=15, Row5[2]=2

SubType
number-pyramid
Difficulty
hard
Levels
  • [62]
  • [22,40]
  • [8,14,26]
  • [5,3,11,15]
  • [3,2,1,10,5]
Base
  • 3
  • 2
  • 1
  • 10
  • 5
TopValue
62
HiddenCells
  • {"r":4,"c":2,"v":1}
  • {"r":4,"c":0,"v":3}
  • {"r":2,"c":0,"v":8}
  • {"r":2,"c":2,"v":26}
  • {"r":2,"c":1,"v":14}
  • {"r":3,"c":1,"v":3}
  • {"r":3,"c":3,"v":15}
  • {"r":4,"c":1,"v":2}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [92] → [_, _] → [_, _, 19] → [_, 13, 8, 11] → [_, _, 4, 4, _]

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Answer: Row2[1]=52, Row4[1]=18, Row3[1]=31, Row3[2]=21, Row5[2]=9, Row2[2]=40, Row5[5]=7, Row5[1]=9

SubType
number-pyramid
Difficulty
hard
Levels
  • [92]
  • [52,40]
  • [31,21,19]
  • [18,13,8,11]
  • [9,9,4,4,7]
Base
  • 9
  • 9
  • 4
  • 4
  • 7
TopValue
92
HiddenCells
  • {"r":1,"c":0,"v":52}
  • {"r":3,"c":0,"v":18}
  • {"r":2,"c":0,"v":31}
  • {"r":2,"c":1,"v":21}
  • {"r":4,"c":1,"v":9}
  • {"r":1,"c":1,"v":40}
  • {"r":4,"c":4,"v":7}
  • {"r":4,"c":0,"v":9}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [67, _] → [_, 33, _] → [17, 17, 16, _] → [_, 8, 9, _, _]

Show answer

Answer: Row4[4]=13, Row3[1]=34, Row5[4]=7, Row3[3]=29, Row5[5]=6, Row5[1]=9, Row1[1]=129, Row2[2]=62

SubType
number-pyramid
Difficulty
hard
Levels
  • [129]
  • [67,62]
  • [34,33,29]
  • [17,17,16,13]
  • [9,8,9,7,6]
Base
  • 9
  • 8
  • 9
  • 7
  • 6
TopValue
129
HiddenCells
  • {"r":3,"c":3,"v":13}
  • {"r":2,"c":0,"v":34}
  • {"r":4,"c":3,"v":7}
  • {"r":2,"c":2,"v":29}
  • {"r":4,"c":4,"v":6}
  • {"r":4,"c":0,"v":9}
  • {"r":0,"c":0,"v":129}
  • {"r":1,"c":1,"v":62}