hard Set 55 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 63] → [_, _, 29] → [16, _, 16, 13] → [7, _, _, 7, _]

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Answer: Row5[2]=9, Row3[1]=34, Row1[1]=131, Row5[5]=6, Row2[1]=68, Row3[2]=34, Row4[2]=18, Row5[3]=9

SubType
number-pyramid
Difficulty
hard
Levels
  • [131]
  • [68,63]
  • [34,34,29]
  • [16,18,16,13]
  • [7,9,9,7,6]
Base
  • 7
  • 9
  • 9
  • 7
  • 6
TopValue
131
HiddenCells
  • {"r":4,"c":1,"v":9}
  • {"r":2,"c":0,"v":34}
  • {"r":0,"c":0,"v":131}
  • {"r":4,"c":4,"v":6}
  • {"r":1,"c":0,"v":68}
  • {"r":2,"c":1,"v":34}
  • {"r":3,"c":1,"v":18}
  • {"r":4,"c":2,"v":9}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 41] → [31, _, _] → [_, _, _, 10] → [_, 10, 3, 6, 4]

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Answer: Row2[1]=53, Row4[3]=9, Row1[1]=94, Row5[1]=8, Row4[1]=18, Row3[2]=22, Row3[3]=19, Row4[2]=13

SubType
number-pyramid
Difficulty
hard
Levels
  • [94]
  • [53,41]
  • [31,22,19]
  • [18,13,9,10]
  • [8,10,3,6,4]
Base
  • 8
  • 10
  • 3
  • 6
  • 4
TopValue
94
HiddenCells
  • {"r":1,"c":0,"v":53}
  • {"r":3,"c":2,"v":9}
  • {"r":0,"c":0,"v":94}
  • {"r":4,"c":0,"v":8}
  • {"r":3,"c":0,"v":18}
  • {"r":2,"c":1,"v":22}
  • {"r":2,"c":2,"v":19}
  • {"r":3,"c":1,"v":13}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [50, _] → [24, 26, _] → [12, _, _, 13] → [10, _, _, _, 9]

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Answer: Row5[3]=10, Row3[3]=27, Row1[1]=103, Row4[3]=14, Row4[2]=12, Row5[2]=2, Row5[4]=4, Row2[2]=53

SubType
number-pyramid
Difficulty
hard
Levels
  • [103]
  • [50,53]
  • [24,26,27]
  • [12,12,14,13]
  • [10,2,10,4,9]
Base
  • 10
  • 2
  • 10
  • 4
  • 9
TopValue
103
HiddenCells
  • {"r":4,"c":2,"v":10}
  • {"r":2,"c":2,"v":27}
  • {"r":0,"c":0,"v":103}
  • {"r":3,"c":2,"v":14}
  • {"r":3,"c":1,"v":12}
  • {"r":4,"c":1,"v":2}
  • {"r":4,"c":3,"v":4}
  • {"r":1,"c":1,"v":53}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [138] → [_, 70] → [_, 37, 33] → [_, _, 18, 15] → [_, 9, _, _, _]

Show answer

Answer: Row4[2]=19, Row2[1]=68, Row5[3]=10, Row5[4]=8, Row5[1]=3, Row4[1]=12, Row3[1]=31, Row5[5]=7

SubType
number-pyramid
Difficulty
hard
Levels
  • [138]
  • [68,70]
  • [31,37,33]
  • [12,19,18,15]
  • [3,9,10,8,7]
Base
  • 3
  • 9
  • 10
  • 8
  • 7
TopValue
138
HiddenCells
  • {"r":3,"c":1,"v":19}
  • {"r":1,"c":0,"v":68}
  • {"r":4,"c":2,"v":10}
  • {"r":4,"c":3,"v":8}
  • {"r":4,"c":0,"v":3}
  • {"r":3,"c":0,"v":12}
  • {"r":2,"c":0,"v":31}
  • {"r":4,"c":4,"v":7}