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): [_] → [_, _] → [35, _, _] → [_, 16, 8, _] → [10, 9, 7, 1, _]

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Answer: Row5[5]=5, Row2[1]=59, Row4[4]=6, Row2[2]=38, Row3[3]=14, Row1[1]=97, Row4[1]=19, Row3[2]=24

SubType
number-pyramid
Difficulty
hard
Levels
  • [97]
  • [59,38]
  • [35,24,14]
  • [19,16,8,6]
  • [10,9,7,1,5]
Base
  • 10
  • 9
  • 7
  • 1
  • 5
TopValue
97
HiddenCells
  • {"r":4,"c":4,"v":5}
  • {"r":1,"c":0,"v":59}
  • {"r":3,"c":3,"v":6}
  • {"r":1,"c":1,"v":38}
  • {"r":2,"c":2,"v":14}
  • {"r":0,"c":0,"v":97}
  • {"r":3,"c":0,"v":19}
  • {"r":2,"c":1,"v":24}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [47, 49] → [26, 21, _] → [16, 10, _, _] → [_, _, 1, _, _]

Show answer

Answer: Row5[4]=10, Row4[4]=17, Row3[3]=28, Row4[3]=11, Row5[5]=7, Row5[1]=7, Row1[1]=96, Row5[2]=9

SubType
number-pyramid
Difficulty
hard
Levels
  • [96]
  • [47,49]
  • [26,21,28]
  • [16,10,11,17]
  • [7,9,1,10,7]
Base
  • 7
  • 9
  • 1
  • 10
  • 7
TopValue
96
HiddenCells
  • {"r":4,"c":3,"v":10}
  • {"r":3,"c":3,"v":17}
  • {"r":2,"c":2,"v":28}
  • {"r":3,"c":2,"v":11}
  • {"r":4,"c":4,"v":7}
  • {"r":4,"c":0,"v":7}
  • {"r":0,"c":0,"v":96}
  • {"r":4,"c":1,"v":9}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [58, 51] → [_, 28, _] → [_, _, 13, 10] → [_, _, 8, 5, _]

Show answer

Answer: Row5[1]=8, Row5[2]=7, Row4[2]=15, Row1[1]=109, Row5[5]=5, Row3[1]=30, Row3[3]=23, Row4[1]=15

SubType
number-pyramid
Difficulty
hard
Levels
  • [109]
  • [58,51]
  • [30,28,23]
  • [15,15,13,10]
  • [8,7,8,5,5]
Base
  • 8
  • 7
  • 8
  • 5
  • 5
TopValue
109
HiddenCells
  • {"r":4,"c":0,"v":8}
  • {"r":4,"c":1,"v":7}
  • {"r":3,"c":1,"v":15}
  • {"r":0,"c":0,"v":109}
  • {"r":4,"c":4,"v":5}
  • {"r":2,"c":0,"v":30}
  • {"r":2,"c":2,"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): [_] → [_, 50] → [_, _, 26] → [7, _, _, _] → [4, 3, 8, _, 8]

Show answer

Answer: Row3[2]=24, Row3[1]=18, Row4[4]=13, Row5[4]=5, Row2[1]=42, Row4[3]=13, Row4[2]=11, Row1[1]=92

SubType
number-pyramid
Difficulty
hard
Levels
  • [92]
  • [42,50]
  • [18,24,26]
  • [7,11,13,13]
  • [4,3,8,5,8]
Base
  • 4
  • 3
  • 8
  • 5
  • 8
TopValue
92
HiddenCells
  • {"r":2,"c":1,"v":24}
  • {"r":2,"c":0,"v":18}
  • {"r":3,"c":3,"v":13}
  • {"r":4,"c":3,"v":5}
  • {"r":1,"c":0,"v":42}
  • {"r":3,"c":2,"v":13}
  • {"r":3,"c":1,"v":11}
  • {"r":0,"c":0,"v":92}