hard Set 11 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [15, _] → [_, _, 17] → [_, _, 5, 12] → [_, 2, 1, _, 8]

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Answer: Row5[1]=2, Row3[2]=8, Row4[1]=4, Row4[2]=3, Row2[2]=25, Row1[1]=40, Row5[4]=4, Row3[1]=7

SubType
number-pyramid
Difficulty
hard
Levels
  • [40]
  • [15,25]
  • [7,8,17]
  • [4,3,5,12]
  • [2,2,1,4,8]
Base
  • 2
  • 2
  • 1
  • 4
  • 8
TopValue
40
HiddenCells
  • {"r":4,"c":0,"v":2}
  • {"r":2,"c":1,"v":8}
  • {"r":3,"c":0,"v":4}
  • {"r":3,"c":1,"v":3}
  • {"r":1,"c":1,"v":25}
  • {"r":0,"c":0,"v":40}
  • {"r":4,"c":3,"v":4}
  • {"r":2,"c":0,"v":7}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 49] → [_, _, _] → [14, 13, 11, 14] → [_, _, 3, _, 6]

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Answer: Row3[1]=27, Row3[3]=25, Row1[1]=100, Row5[1]=4, Row5[4]=8, Row5[2]=10, Row3[2]=24, Row2[1]=51

SubType
number-pyramid
Difficulty
hard
Levels
  • [100]
  • [51,49]
  • [27,24,25]
  • [14,13,11,14]
  • [4,10,3,8,6]
Base
  • 4
  • 10
  • 3
  • 8
  • 6
TopValue
100
HiddenCells
  • {"r":2,"c":0,"v":27}
  • {"r":2,"c":2,"v":25}
  • {"r":0,"c":0,"v":100}
  • {"r":4,"c":0,"v":4}
  • {"r":4,"c":3,"v":8}
  • {"r":4,"c":1,"v":10}
  • {"r":2,"c":1,"v":24}
  • {"r":1,"c":0,"v":51}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [17, _, _] → [9, _, _, 10] → [2, 7, 1, _, 7]

Show answer

Answer: Row5[4]=3, Row2[2]=26, Row3[3]=14, Row2[1]=29, Row4[3]=4, Row4[2]=8, Row1[1]=55, Row3[2]=12

SubType
number-pyramid
Difficulty
hard
Levels
  • [55]
  • [29,26]
  • [17,12,14]
  • [9,8,4,10]
  • [2,7,1,3,7]
Base
  • 2
  • 7
  • 1
  • 3
  • 7
TopValue
55
HiddenCells
  • {"r":4,"c":3,"v":3}
  • {"r":1,"c":1,"v":26}
  • {"r":2,"c":2,"v":14}
  • {"r":1,"c":0,"v":29}
  • {"r":3,"c":2,"v":4}
  • {"r":3,"c":1,"v":8}
  • {"r":0,"c":0,"v":55}
  • {"r":2,"c":1,"v":12}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [25, 27, 25] → [13, _, _, 10] → [9, 4, _, _, _]

Show answer

Answer: Row5[4]=7, Row1[1]=104, Row4[3]=15, Row4[2]=12, Row2[2]=52, Row5[5]=3, Row5[3]=8, Row2[1]=52

SubType
number-pyramid
Difficulty
hard
Levels
  • [104]
  • [52,52]
  • [25,27,25]
  • [13,12,15,10]
  • [9,4,8,7,3]
Base
  • 9
  • 4
  • 8
  • 7
  • 3
TopValue
104
HiddenCells
  • {"r":4,"c":3,"v":7}
  • {"r":0,"c":0,"v":104}
  • {"r":3,"c":2,"v":15}
  • {"r":3,"c":1,"v":12}
  • {"r":1,"c":1,"v":52}
  • {"r":4,"c":4,"v":3}
  • {"r":4,"c":2,"v":8}
  • {"r":1,"c":0,"v":52}