hard Set 77 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [104] → [51, 53] → [_, _, _] → [12, _, _, 14] → [7, _, _, _, 9]

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Answer: Row4[3]=13, Row3[1]=25, Row3[2]=26, Row3[3]=27, Row5[3]=8, Row4[2]=13, Row5[2]=5, Row5[4]=5

SubType
number-pyramid
Difficulty
hard
Levels
  • [104]
  • [51,53]
  • [25,26,27]
  • [12,13,13,14]
  • [7,5,8,5,9]
Base
  • 7
  • 5
  • 8
  • 5
  • 9
TopValue
104
HiddenCells
  • {"r":3,"c":2,"v":13}
  • {"r":2,"c":0,"v":25}
  • {"r":2,"c":1,"v":26}
  • {"r":2,"c":2,"v":27}
  • {"r":4,"c":2,"v":8}
  • {"r":3,"c":1,"v":13}
  • {"r":4,"c":1,"v":5}
  • {"r":4,"c":3,"v":5}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [75] → [41, _] → [_, _, _] → [_, 11, _, 5] → [7, 3, _, 1, _]

Show answer

Answer: Row4[3]=9, Row5[3]=8, Row3[3]=14, Row5[5]=4, Row2[2]=34, Row3[1]=21, Row4[1]=10, Row3[2]=20

SubType
number-pyramid
Difficulty
hard
Levels
  • [75]
  • [41,34]
  • [21,20,14]
  • [10,11,9,5]
  • [7,3,8,1,4]
Base
  • 7
  • 3
  • 8
  • 1
  • 4
TopValue
75
HiddenCells
  • {"r":3,"c":2,"v":9}
  • {"r":4,"c":2,"v":8}
  • {"r":2,"c":2,"v":14}
  • {"r":4,"c":4,"v":4}
  • {"r":1,"c":1,"v":34}
  • {"r":2,"c":0,"v":21}
  • {"r":3,"c":0,"v":10}
  • {"r":2,"c":1,"v":20}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [71] → [_, _] → [20, 19, _] → [8, _, _, _] → [_, 7, _, 2, 4]

Show answer

Answer: Row4[3]=7, Row2[2]=32, Row5[3]=5, Row3[3]=13, Row4[4]=6, Row5[1]=1, Row4[2]=12, Row2[1]=39

SubType
number-pyramid
Difficulty
hard
Levels
  • [71]
  • [39,32]
  • [20,19,13]
  • [8,12,7,6]
  • [1,7,5,2,4]
Base
  • 1
  • 7
  • 5
  • 2
  • 4
TopValue
71
HiddenCells
  • {"r":3,"c":2,"v":7}
  • {"r":1,"c":1,"v":32}
  • {"r":4,"c":2,"v":5}
  • {"r":2,"c":2,"v":13}
  • {"r":3,"c":3,"v":6}
  • {"r":4,"c":0,"v":1}
  • {"r":3,"c":1,"v":12}
  • {"r":1,"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): [_] → [_, _] → [_, _, 14] → [_, _, 7, 7] → [1, 10, 6, _, 6]

Show answer

Answer: Row2[2]=37, Row5[4]=1, Row3[2]=23, Row1[1]=87, Row3[1]=27, Row4[2]=16, Row2[1]=50, Row4[1]=11

SubType
number-pyramid
Difficulty
hard
Levels
  • [87]
  • [50,37]
  • [27,23,14]
  • [11,16,7,7]
  • [1,10,6,1,6]
Base
  • 1
  • 10
  • 6
  • 1
  • 6
TopValue
87
HiddenCells
  • {"r":1,"c":1,"v":37}
  • {"r":4,"c":3,"v":1}
  • {"r":2,"c":1,"v":23}
  • {"r":0,"c":0,"v":87}
  • {"r":2,"c":0,"v":27}
  • {"r":3,"c":1,"v":16}
  • {"r":1,"c":0,"v":50}
  • {"r":3,"c":0,"v":11}