hard Set 32 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [18, 13] → [_, _, _] → [11, _, 3, _] → [10, _, _, 2, 3]

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Answer: Row1[1]=31, Row5[2]=1, Row3[1]=13, Row5[3]=1, Row4[4]=5, Row4[2]=2, Row3[3]=8, Row3[2]=5

SubType
number-pyramid
Difficulty
hard
Levels
  • [31]
  • [18,13]
  • [13,5,8]
  • [11,2,3,5]
  • [10,1,1,2,3]
Base
  • 10
  • 1
  • 1
  • 2
  • 3
TopValue
31
HiddenCells
  • {"r":0,"c":0,"v":31}
  • {"r":4,"c":1,"v":1}
  • {"r":2,"c":0,"v":13}
  • {"r":4,"c":2,"v":1}
  • {"r":3,"c":3,"v":5}
  • {"r":3,"c":1,"v":2}
  • {"r":2,"c":2,"v":8}
  • {"r":2,"c":1,"v":5}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [111] → [_, _] → [_, _, 28] → [12, _, _, _] → [_, 10, 5, 8, 7]

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Answer: Row5[1]=2, Row4[2]=15, Row4[4]=15, Row4[3]=13, Row2[2]=56, Row3[1]=27, Row3[2]=28, Row2[1]=55

SubType
number-pyramid
Difficulty
hard
Levels
  • [111]
  • [55,56]
  • [27,28,28]
  • [12,15,13,15]
  • [2,10,5,8,7]
Base
  • 2
  • 10
  • 5
  • 8
  • 7
TopValue
111
HiddenCells
  • {"r":4,"c":0,"v":2}
  • {"r":3,"c":1,"v":15}
  • {"r":3,"c":3,"v":15}
  • {"r":3,"c":2,"v":13}
  • {"r":1,"c":1,"v":56}
  • {"r":2,"c":0,"v":27}
  • {"r":2,"c":1,"v":28}
  • {"r":1,"c":0,"v":55}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [128] → [_, _] → [_, 34, 34] → [10, _, 18, _] → [_, 6, 10, _, _]

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Answer: Row5[4]=8, Row5[1]=4, Row4[4]=16, Row5[5]=8, Row3[1]=26, Row2[1]=60, Row4[2]=16, Row2[2]=68

SubType
number-pyramid
Difficulty
hard
Levels
  • [128]
  • [60,68]
  • [26,34,34]
  • [10,16,18,16]
  • [4,6,10,8,8]
Base
  • 4
  • 6
  • 10
  • 8
  • 8
TopValue
128
HiddenCells
  • {"r":4,"c":3,"v":8}
  • {"r":4,"c":0,"v":4}
  • {"r":3,"c":3,"v":16}
  • {"r":4,"c":4,"v":8}
  • {"r":2,"c":0,"v":26}
  • {"r":1,"c":0,"v":60}
  • {"r":3,"c":1,"v":16}
  • {"r":1,"c":1,"v":68}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [80] → [_, 37] → [26, _, 20] → [_, _, _, 14] → [_, 10, 1, _, _]

Show answer

Answer: Row5[5]=9, Row3[2]=17, Row2[1]=43, Row5[4]=5, Row4[2]=11, Row4[1]=15, Row4[3]=6, Row5[1]=5

SubType
number-pyramid
Difficulty
hard
Levels
  • [80]
  • [43,37]
  • [26,17,20]
  • [15,11,6,14]
  • [5,10,1,5,9]
Base
  • 5
  • 10
  • 1
  • 5
  • 9
TopValue
80
HiddenCells
  • {"r":4,"c":4,"v":9}
  • {"r":2,"c":1,"v":17}
  • {"r":1,"c":0,"v":43}
  • {"r":4,"c":3,"v":5}
  • {"r":3,"c":1,"v":11}
  • {"r":3,"c":0,"v":15}
  • {"r":3,"c":2,"v":6}
  • {"r":4,"c":0,"v":5}