hard Set 41 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [35] → [23, _] → [16, _, _] → [_, _, _, 2] → [10, 2, _, 1, _]

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

SubType
number-pyramid
Difficulty
hard
Levels
  • [35]
  • [23,12]
  • [16,7,5]
  • [12,4,3,2]
  • [10,2,2,1,1]
Base
  • 10
  • 2
  • 2
  • 1
  • 1
TopValue
35
HiddenCells
  • {"r":2,"c":2,"v":5}
  • {"r":4,"c":4,"v":1}
  • {"r":1,"c":1,"v":12}
  • {"r":3,"c":2,"v":3}
  • {"r":4,"c":2,"v":2}
  • {"r":2,"c":1,"v":7}
  • {"r":3,"c":1,"v":4}
  • {"r":3,"c":0,"v":12}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [43, _] → [16, 27, _] → [4, _, _, 14] → [2, _, _, _, 9]

Show answer

Answer: Row2[2]=56, Row5[4]=5, Row5[2]=2, Row4[2]=12, Row1[1]=99, Row5[3]=10, Row4[3]=15, Row3[3]=29

SubType
number-pyramid
Difficulty
hard
Levels
  • [99]
  • [43,56]
  • [16,27,29]
  • [4,12,15,14]
  • [2,2,10,5,9]
Base
  • 2
  • 2
  • 10
  • 5
  • 9
TopValue
99
HiddenCells
  • {"r":1,"c":1,"v":56}
  • {"r":4,"c":3,"v":5}
  • {"r":4,"c":1,"v":2}
  • {"r":3,"c":1,"v":12}
  • {"r":0,"c":0,"v":99}
  • {"r":4,"c":2,"v":10}
  • {"r":3,"c":2,"v":15}
  • {"r":2,"c":2,"v":29}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [73] → [29, 44] → [_, 17, _] → [7, _, 12, 15] → [_, _, _, _, _]

Show answer

Answer: Row5[4]=10, Row5[1]=4, Row3[3]=27, Row5[5]=5, Row5[2]=3, Row4[2]=5, Row3[1]=12, Row5[3]=2

SubType
number-pyramid
Difficulty
hard
Levels
  • [73]
  • [29,44]
  • [12,17,27]
  • [7,5,12,15]
  • [4,3,2,10,5]
Base
  • 4
  • 3
  • 2
  • 10
  • 5
TopValue
73
HiddenCells
  • {"r":4,"c":3,"v":10}
  • {"r":4,"c":0,"v":4}
  • {"r":2,"c":2,"v":27}
  • {"r":4,"c":4,"v":5}
  • {"r":4,"c":1,"v":3}
  • {"r":3,"c":1,"v":5}
  • {"r":2,"c":0,"v":12}
  • {"r":4,"c":2,"v":2}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 44] → [_, 31, _] → [20, _, _, 2] → [_, _, 10, 1, 1]

Show answer

Answer: Row5[1]=10, Row4[2]=20, Row1[1]=115, Row2[1]=71, Row3[3]=13, Row3[1]=40, Row4[3]=11, Row5[2]=10

SubType
number-pyramid
Difficulty
hard
Levels
  • [115]
  • [71,44]
  • [40,31,13]
  • [20,20,11,2]
  • [10,10,10,1,1]
Base
  • 10
  • 10
  • 10
  • 1
  • 1
TopValue
115
HiddenCells
  • {"r":4,"c":0,"v":10}
  • {"r":3,"c":1,"v":20}
  • {"r":0,"c":0,"v":115}
  • {"r":1,"c":0,"v":71}
  • {"r":2,"c":2,"v":13}
  • {"r":2,"c":0,"v":40}
  • {"r":3,"c":2,"v":11}
  • {"r":4,"c":1,"v":10}