hard Set 50 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [94] → [49, _] → [_, 23, _] → [15, _, _, 10] → [9, 6, _, _, _]

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Answer: Row3[1]=26, Row5[4]=7, Row3[3]=22, Row5[3]=5, Row4[3]=12, Row4[2]=11, Row2[2]=45, Row5[5]=3

SubType
number-pyramid
Difficulty
hard
Levels
  • [94]
  • [49,45]
  • [26,23,22]
  • [15,11,12,10]
  • [9,6,5,7,3]
Base
  • 9
  • 6
  • 5
  • 7
  • 3
TopValue
94
HiddenCells
  • {"r":2,"c":0,"v":26}
  • {"r":4,"c":3,"v":7}
  • {"r":2,"c":2,"v":22}
  • {"r":4,"c":2,"v":5}
  • {"r":3,"c":2,"v":12}
  • {"r":3,"c":1,"v":11}
  • {"r":1,"c":1,"v":45}
  • {"r":4,"c":4,"v":3}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 71] → [_, _, 35] → [_, _, 18, 17] → [7, 10, _, 10, _]

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Answer: Row4[2]=18, Row5[5]=7, Row3[1]=35, Row2[1]=71, Row4[1]=17, Row1[1]=142, Row3[2]=36, Row5[3]=8

SubType
number-pyramid
Difficulty
hard
Levels
  • [142]
  • [71,71]
  • [35,36,35]
  • [17,18,18,17]
  • [7,10,8,10,7]
Base
  • 7
  • 10
  • 8
  • 10
  • 7
TopValue
142
HiddenCells
  • {"r":3,"c":1,"v":18}
  • {"r":4,"c":4,"v":7}
  • {"r":2,"c":0,"v":35}
  • {"r":1,"c":0,"v":71}
  • {"r":3,"c":0,"v":17}
  • {"r":0,"c":0,"v":142}
  • {"r":2,"c":1,"v":36}
  • {"r":4,"c":2,"v":8}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [30, 43] → [_, _, _] → [8, 5, 12, 14] → [_, 2, _, _, _]

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Answer: Row3[1]=13, Row3[2]=17, Row5[3]=3, Row3[3]=26, Row5[5]=5, Row5[1]=6, Row5[4]=9, Row1[1]=73

SubType
number-pyramid
Difficulty
hard
Levels
  • [73]
  • [30,43]
  • [13,17,26]
  • [8,5,12,14]
  • [6,2,3,9,5]
Base
  • 6
  • 2
  • 3
  • 9
  • 5
TopValue
73
HiddenCells
  • {"r":2,"c":0,"v":13}
  • {"r":2,"c":1,"v":17}
  • {"r":4,"c":2,"v":3}
  • {"r":2,"c":2,"v":26}
  • {"r":4,"c":4,"v":5}
  • {"r":4,"c":0,"v":6}
  • {"r":4,"c":3,"v":9}
  • {"r":0,"c":0,"v":73}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 48] → [28, _, 24] → [15, _, 11, _] → [_, 6, _, 4, _]

Show answer

Answer: Row1[1]=100, Row2[1]=52, Row5[3]=7, Row4[2]=13, Row4[4]=13, Row3[2]=24, Row5[1]=9, Row5[5]=9

SubType
number-pyramid
Difficulty
hard
Levels
  • [100]
  • [52,48]
  • [28,24,24]
  • [15,13,11,13]
  • [9,6,7,4,9]
Base
  • 9
  • 6
  • 7
  • 4
  • 9
TopValue
100
HiddenCells
  • {"r":0,"c":0,"v":100}
  • {"r":1,"c":0,"v":52}
  • {"r":4,"c":2,"v":7}
  • {"r":3,"c":1,"v":13}
  • {"r":3,"c":3,"v":13}
  • {"r":2,"c":1,"v":24}
  • {"r":4,"c":0,"v":9}
  • {"r":4,"c":4,"v":9}