hard Set 19 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 37] → [_, 21, _] → [13, _, _, 10] → [_, 10, 5, _, 9]

Show answer

Answer: Row5[4]=1, Row3[3]=16, Row1[1]=86, Row4[3]=6, Row4[2]=15, Row3[1]=28, Row2[1]=49, Row5[1]=3

SubType
number-pyramid
Difficulty
hard
Levels
  • [86]
  • [49,37]
  • [28,21,16]
  • [13,15,6,10]
  • [3,10,5,1,9]
Base
  • 3
  • 10
  • 5
  • 1
  • 9
TopValue
86
HiddenCells
  • {"r":4,"c":3,"v":1}
  • {"r":2,"c":2,"v":16}
  • {"r":0,"c":0,"v":86}
  • {"r":3,"c":2,"v":6}
  • {"r":3,"c":1,"v":15}
  • {"r":2,"c":0,"v":28}
  • {"r":1,"c":0,"v":49}
  • {"r":4,"c":0,"v":3}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [27, _] → [14, _, 21] → [8, _, _, 14] → [_, 3, _, _, 10]

Show answer

Answer: Row2[2]=34, Row4[2]=6, Row5[3]=3, Row1[1]=61, Row5[4]=4, Row3[2]=13, Row4[3]=7, Row5[1]=5

SubType
number-pyramid
Difficulty
hard
Levels
  • [61]
  • [27,34]
  • [14,13,21]
  • [8,6,7,14]
  • [5,3,3,4,10]
Base
  • 5
  • 3
  • 3
  • 4
  • 10
TopValue
61
HiddenCells
  • {"r":1,"c":1,"v":34}
  • {"r":3,"c":1,"v":6}
  • {"r":4,"c":2,"v":3}
  • {"r":0,"c":0,"v":61}
  • {"r":4,"c":3,"v":4}
  • {"r":2,"c":1,"v":13}
  • {"r":3,"c":2,"v":7}
  • {"r":4,"c":0,"v":5}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [117] → [_, 55] → [_, _, _] → [13, 17, _, _] → [_, 7, _, 5, 3]

Show answer

Answer: Row3[3]=23, Row3[2]=32, Row2[1]=62, Row4[4]=8, Row5[1]=6, Row5[3]=10, Row3[1]=30, Row4[3]=15

SubType
number-pyramid
Difficulty
hard
Levels
  • [117]
  • [62,55]
  • [30,32,23]
  • [13,17,15,8]
  • [6,7,10,5,3]
Base
  • 6
  • 7
  • 10
  • 5
  • 3
TopValue
117
HiddenCells
  • {"r":2,"c":2,"v":23}
  • {"r":2,"c":1,"v":32}
  • {"r":1,"c":0,"v":62}
  • {"r":3,"c":3,"v":8}
  • {"r":4,"c":0,"v":6}
  • {"r":4,"c":2,"v":10}
  • {"r":2,"c":0,"v":30}
  • {"r":3,"c":2,"v":15}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 32] → [20, _, 16] → [11, _, _, _] → [7, 4, _, _, 7]

Show answer

Answer: Row5[4]=2, Row4[3]=7, Row2[1]=36, Row4[2]=9, Row3[2]=16, Row1[1]=68, Row5[3]=5, Row4[4]=9

SubType
number-pyramid
Difficulty
hard
Levels
  • [68]
  • [36,32]
  • [20,16,16]
  • [11,9,7,9]
  • [7,4,5,2,7]
Base
  • 7
  • 4
  • 5
  • 2
  • 7
TopValue
68
HiddenCells
  • {"r":4,"c":3,"v":2}
  • {"r":3,"c":2,"v":7}
  • {"r":1,"c":0,"v":36}
  • {"r":3,"c":1,"v":9}
  • {"r":2,"c":1,"v":16}
  • {"r":0,"c":0,"v":68}
  • {"r":4,"c":2,"v":5}
  • {"r":3,"c":3,"v":9}