hard Set 98 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [52, 49] → [28, _, _] → [16, 12, _, _] → [9, _, 5, _, _]

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Answer: Row5[4]=7, Row5[2]=7, Row3[3]=25, Row3[2]=24, Row5[5]=6, Row4[4]=13, Row1[1]=101, Row4[3]=12

SubType
number-pyramid
Difficulty
hard
Levels
  • [101]
  • [52,49]
  • [28,24,25]
  • [16,12,12,13]
  • [9,7,5,7,6]
Base
  • 9
  • 7
  • 5
  • 7
  • 6
TopValue
101
HiddenCells
  • {"r":4,"c":3,"v":7}
  • {"r":4,"c":1,"v":7}
  • {"r":2,"c":2,"v":25}
  • {"r":2,"c":1,"v":24}
  • {"r":4,"c":4,"v":6}
  • {"r":3,"c":3,"v":13}
  • {"r":0,"c":0,"v":101}
  • {"r":3,"c":2,"v":12}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 58] → [15, _, 33] → [5, 10, _, _] → [1, _, _, _, 9]

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Answer: Row5[3]=6, Row3[2]=25, Row5[4]=9, Row1[1]=98, Row4[4]=18, Row5[2]=4, Row4[3]=15, Row2[1]=40

SubType
number-pyramid
Difficulty
hard
Levels
  • [98]
  • [40,58]
  • [15,25,33]
  • [5,10,15,18]
  • [1,4,6,9,9]
Base
  • 1
  • 4
  • 6
  • 9
  • 9
TopValue
98
HiddenCells
  • {"r":4,"c":2,"v":6}
  • {"r":2,"c":1,"v":25}
  • {"r":4,"c":3,"v":9}
  • {"r":0,"c":0,"v":98}
  • {"r":3,"c":3,"v":18}
  • {"r":4,"c":1,"v":4}
  • {"r":3,"c":2,"v":15}
  • {"r":1,"c":0,"v":40}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [_, 31, 26] → [_, 16, _, _] → [9, 9, 7, 8, _]

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Answer: Row3[1]=34, Row4[3]=15, Row4[1]=18, Row5[5]=3, Row1[1]=122, Row2[1]=65, Row2[2]=57, Row4[4]=11

SubType
number-pyramid
Difficulty
hard
Levels
  • [122]
  • [65,57]
  • [34,31,26]
  • [18,16,15,11]
  • [9,9,7,8,3]
Base
  • 9
  • 9
  • 7
  • 8
  • 3
TopValue
122
HiddenCells
  • {"r":2,"c":0,"v":34}
  • {"r":3,"c":2,"v":15}
  • {"r":3,"c":0,"v":18}
  • {"r":4,"c":4,"v":3}
  • {"r":0,"c":0,"v":122}
  • {"r":1,"c":0,"v":65}
  • {"r":1,"c":1,"v":57}
  • {"r":3,"c":3,"v":11}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [108] → [_, _] → [_, _, 27] → [_, _, 11, 16] → [8, _, 5, 6, _]

Show answer

Answer: Row4[1]=17, Row4[2]=14, Row2[1]=56, Row5[5]=10, Row2[2]=52, Row5[2]=9, Row3[2]=25, Row3[1]=31

SubType
number-pyramid
Difficulty
hard
Levels
  • [108]
  • [56,52]
  • [31,25,27]
  • [17,14,11,16]
  • [8,9,5,6,10]
Base
  • 8
  • 9
  • 5
  • 6
  • 10
TopValue
108
HiddenCells
  • {"r":3,"c":0,"v":17}
  • {"r":3,"c":1,"v":14}
  • {"r":1,"c":0,"v":56}
  • {"r":4,"c":4,"v":10}
  • {"r":1,"c":1,"v":52}
  • {"r":4,"c":1,"v":9}
  • {"r":2,"c":1,"v":25}
  • {"r":2,"c":0,"v":31}