hard Set 73 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [_, _, 18] → [_, 12, 9, 9] → [_, 8, 4, 5, _]

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Answer: Row1[1]=87, Row2[2]=39, Row5[1]=7, Row2[1]=48, Row5[5]=4, Row4[1]=15, Row3[2]=21, Row3[1]=27

SubType
number-pyramid
Difficulty
hard
Levels
  • [87]
  • [48,39]
  • [27,21,18]
  • [15,12,9,9]
  • [7,8,4,5,4]
Base
  • 7
  • 8
  • 4
  • 5
  • 4
TopValue
87
HiddenCells
  • {"r":0,"c":0,"v":87}
  • {"r":1,"c":1,"v":39}
  • {"r":4,"c":0,"v":7}
  • {"r":1,"c":0,"v":48}
  • {"r":4,"c":4,"v":4}
  • {"r":3,"c":0,"v":15}
  • {"r":2,"c":1,"v":21}
  • {"r":2,"c":0,"v":27}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [101] → [_, _] → [_, 23, 27] → [_, _, 11, 16] → [_, 9, _, 8, _]

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Answer: Row5[5]=8, Row5[3]=3, Row4[1]=16, Row2[2]=50, Row5[1]=7, Row3[1]=28, Row4[2]=12, Row2[1]=51

SubType
number-pyramid
Difficulty
hard
Levels
  • [101]
  • [51,50]
  • [28,23,27]
  • [16,12,11,16]
  • [7,9,3,8,8]
Base
  • 7
  • 9
  • 3
  • 8
  • 8
TopValue
101
HiddenCells
  • {"r":4,"c":4,"v":8}
  • {"r":4,"c":2,"v":3}
  • {"r":3,"c":0,"v":16}
  • {"r":1,"c":1,"v":50}
  • {"r":4,"c":0,"v":7}
  • {"r":2,"c":0,"v":28}
  • {"r":3,"c":1,"v":12}
  • {"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): [_] → [18, _] → [_, 7, _] → [8, 3, _, _] → [7, _, _, 2, 8]

Show answer

Answer: Row3[3]=14, Row4[4]=10, Row2[2]=21, Row4[3]=4, Row3[1]=11, Row5[3]=2, Row5[2]=1, Row1[1]=39

SubType
number-pyramid
Difficulty
hard
Levels
  • [39]
  • [18,21]
  • [11,7,14]
  • [8,3,4,10]
  • [7,1,2,2,8]
Base
  • 7
  • 1
  • 2
  • 2
  • 8
TopValue
39
HiddenCells
  • {"r":2,"c":2,"v":14}
  • {"r":3,"c":3,"v":10}
  • {"r":1,"c":1,"v":21}
  • {"r":3,"c":2,"v":4}
  • {"r":2,"c":0,"v":11}
  • {"r":4,"c":2,"v":2}
  • {"r":4,"c":1,"v":1}
  • {"r":0,"c":0,"v":39}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 42] → [22, _, _] → [12, _, 11, _] → [10, 2, _, _, 7]

Show answer

Answer: Row2[1]=43, Row3[3]=21, Row4[2]=10, Row3[2]=21, Row5[3]=8, Row1[1]=85, Row4[4]=10, Row5[4]=3

SubType
number-pyramid
Difficulty
hard
Levels
  • [85]
  • [43,42]
  • [22,21,21]
  • [12,10,11,10]
  • [10,2,8,3,7]
Base
  • 10
  • 2
  • 8
  • 3
  • 7
TopValue
85
HiddenCells
  • {"r":1,"c":0,"v":43}
  • {"r":2,"c":2,"v":21}
  • {"r":3,"c":1,"v":10}
  • {"r":2,"c":1,"v":21}
  • {"r":4,"c":2,"v":8}
  • {"r":0,"c":0,"v":85}
  • {"r":3,"c":3,"v":10}
  • {"r":4,"c":3,"v":3}