hard Set 53 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [25, 25] → [14, 11, _] → [10, _, _, _] → [8, _, 2, _, _]

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Answer: Row4[4]=7, Row5[4]=5, Row1[1]=50, Row5[2]=2, Row5[5]=2, Row3[3]=14, Row4[2]=4, Row4[3]=7

SubType
number-pyramid
Difficulty
hard
Levels
  • [50]
  • [25,25]
  • [14,11,14]
  • [10,4,7,7]
  • [8,2,2,5,2]
Base
  • 8
  • 2
  • 2
  • 5
  • 2
TopValue
50
HiddenCells
  • {"r":3,"c":3,"v":7}
  • {"r":4,"c":3,"v":5}
  • {"r":0,"c":0,"v":50}
  • {"r":4,"c":1,"v":2}
  • {"r":4,"c":4,"v":2}
  • {"r":2,"c":2,"v":14}
  • {"r":3,"c":1,"v":4}
  • {"r":3,"c":2,"v":7}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 35] → [28, 19, 16] → [_, _, _, _] → [8, _, 2, _, 2]

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Answer: Row4[2]=11, Row1[1]=82, Row4[1]=17, Row4[4]=8, Row5[2]=9, Row5[4]=6, Row4[3]=8, Row2[1]=47

SubType
number-pyramid
Difficulty
hard
Levels
  • [82]
  • [47,35]
  • [28,19,16]
  • [17,11,8,8]
  • [8,9,2,6,2]
Base
  • 8
  • 9
  • 2
  • 6
  • 2
TopValue
82
HiddenCells
  • {"r":3,"c":1,"v":11}
  • {"r":0,"c":0,"v":82}
  • {"r":3,"c":0,"v":17}
  • {"r":3,"c":3,"v":8}
  • {"r":4,"c":1,"v":9}
  • {"r":4,"c":3,"v":6}
  • {"r":3,"c":2,"v":8}
  • {"r":1,"c":0,"v":47}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [88] → [_, _] → [_, 23, 28] → [_, _, _, _] → [_, 2, 7, 7, 7]

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Answer: Row4[2]=9, Row2[1]=37, Row2[2]=51, Row5[1]=3, Row4[3]=14, Row3[1]=14, Row4[4]=14, Row4[1]=5

SubType
number-pyramid
Difficulty
hard
Levels
  • [88]
  • [37,51]
  • [14,23,28]
  • [5,9,14,14]
  • [3,2,7,7,7]
Base
  • 3
  • 2
  • 7
  • 7
  • 7
TopValue
88
HiddenCells
  • {"r":3,"c":1,"v":9}
  • {"r":1,"c":0,"v":37}
  • {"r":1,"c":1,"v":51}
  • {"r":4,"c":0,"v":3}
  • {"r":3,"c":2,"v":14}
  • {"r":2,"c":0,"v":14}
  • {"r":3,"c":3,"v":14}
  • {"r":3,"c":0,"v":5}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [69] → [_, _] → [_, _, 18] → [17, 8, 5, 13] → [_, _, _, _, 9]

Show answer

Answer: Row3[2]=13, Row5[3]=1, Row5[1]=10, Row2[2]=31, Row5[2]=7, Row2[1]=38, Row3[1]=25, Row5[4]=4

SubType
number-pyramid
Difficulty
hard
Levels
  • [69]
  • [38,31]
  • [25,13,18]
  • [17,8,5,13]
  • [10,7,1,4,9]
Base
  • 10
  • 7
  • 1
  • 4
  • 9
TopValue
69
HiddenCells
  • {"r":2,"c":1,"v":13}
  • {"r":4,"c":2,"v":1}
  • {"r":4,"c":0,"v":10}
  • {"r":1,"c":1,"v":31}
  • {"r":4,"c":1,"v":7}
  • {"r":1,"c":0,"v":38}
  • {"r":2,"c":0,"v":25}
  • {"r":4,"c":3,"v":4}