hard Set 34 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [97] → [45, _] → [18, 27, _] → [_, _, _, _] → [_, 2, 9, _, 2]

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Answer: Row2[2]=52, Row4[3]=16, Row3[3]=25, Row4[1]=7, Row5[1]=5, Row4[4]=9, Row5[4]=7, Row4[2]=11

SubType
number-pyramid
Difficulty
hard
Levels
  • [97]
  • [45,52]
  • [18,27,25]
  • [7,11,16,9]
  • [5,2,9,7,2]
Base
  • 5
  • 2
  • 9
  • 7
  • 2
TopValue
97
HiddenCells
  • {"r":1,"c":1,"v":52}
  • {"r":3,"c":2,"v":16}
  • {"r":2,"c":2,"v":25}
  • {"r":3,"c":0,"v":7}
  • {"r":4,"c":0,"v":5}
  • {"r":3,"c":3,"v":9}
  • {"r":4,"c":3,"v":7}
  • {"r":3,"c":1,"v":11}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 34] → [_, 13, 21] → [_, _, 8, 13] → [2, _, _, _, 9]

Show answer

Answer: Row5[3]=4, Row1[1]=55, Row5[4]=4, Row4[1]=3, Row3[1]=8, Row4[2]=5, Row5[2]=1, Row2[1]=21

SubType
number-pyramid
Difficulty
hard
Levels
  • [55]
  • [21,34]
  • [8,13,21]
  • [3,5,8,13]
  • [2,1,4,4,9]
Base
  • 2
  • 1
  • 4
  • 4
  • 9
TopValue
55
HiddenCells
  • {"r":4,"c":2,"v":4}
  • {"r":0,"c":0,"v":55}
  • {"r":4,"c":3,"v":4}
  • {"r":3,"c":0,"v":3}
  • {"r":2,"c":0,"v":8}
  • {"r":3,"c":1,"v":5}
  • {"r":4,"c":1,"v":1}
  • {"r":1,"c":0,"v":21}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [121] → [_, _] → [_, _, 23] → [18, _, 13, _] → [10, _, _, 3, 7]

Show answer

Answer: Row3[2]=31, Row5[3]=10, Row4[2]=18, Row2[1]=67, Row3[1]=36, Row4[4]=10, Row5[2]=8, Row2[2]=54

SubType
number-pyramid
Difficulty
hard
Levels
  • [121]
  • [67,54]
  • [36,31,23]
  • [18,18,13,10]
  • [10,8,10,3,7]
Base
  • 10
  • 8
  • 10
  • 3
  • 7
TopValue
121
HiddenCells
  • {"r":2,"c":1,"v":31}
  • {"r":4,"c":2,"v":10}
  • {"r":3,"c":1,"v":18}
  • {"r":1,"c":0,"v":67}
  • {"r":2,"c":0,"v":36}
  • {"r":3,"c":3,"v":10}
  • {"r":4,"c":1,"v":8}
  • {"r":1,"c":1,"v":54}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [40, _] → [_, _, _] → [2, _, _, 8] → [1, _, 10, 6, 2]

Show answer

Answer: Row3[3]=24, Row3[1]=13, Row5[2]=1, Row4[2]=11, Row4[3]=16, Row2[2]=51, Row3[2]=27, Row1[1]=91

SubType
number-pyramid
Difficulty
hard
Levels
  • [91]
  • [40,51]
  • [13,27,24]
  • [2,11,16,8]
  • [1,1,10,6,2]
Base
  • 1
  • 1
  • 10
  • 6
  • 2
TopValue
91
HiddenCells
  • {"r":2,"c":2,"v":24}
  • {"r":2,"c":0,"v":13}
  • {"r":4,"c":1,"v":1}
  • {"r":3,"c":1,"v":11}
  • {"r":3,"c":2,"v":16}
  • {"r":1,"c":1,"v":51}
  • {"r":2,"c":1,"v":27}
  • {"r":0,"c":0,"v":91}