hard Set 83 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [15, 10, 10] → [8, 7, _, _] → [2, _, _, 2, _]

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Answer: Row2[2]=20, Row4[4]=7, Row4[3]=3, Row2[1]=25, Row5[5]=5, Row1[1]=45, Row5[2]=6, Row5[3]=1

SubType
number-pyramid
Difficulty
hard
Levels
  • [45]
  • [25,20]
  • [15,10,10]
  • [8,7,3,7]
  • [2,6,1,2,5]
Base
  • 2
  • 6
  • 1
  • 2
  • 5
TopValue
45
HiddenCells
  • {"r":1,"c":1,"v":20}
  • {"r":3,"c":3,"v":7}
  • {"r":3,"c":2,"v":3}
  • {"r":1,"c":0,"v":25}
  • {"r":4,"c":4,"v":5}
  • {"r":0,"c":0,"v":45}
  • {"r":4,"c":1,"v":6}
  • {"r":4,"c":2,"v":1}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 45] → [31, 23, 22] → [18, _, _, _] → [8, _, _, 7, _]

Show answer

Answer: Row4[3]=10, Row4[4]=12, Row4[2]=13, Row1[1]=99, Row5[5]=5, Row5[2]=10, Row2[1]=54, Row5[3]=3

SubType
number-pyramid
Difficulty
hard
Levels
  • [99]
  • [54,45]
  • [31,23,22]
  • [18,13,10,12]
  • [8,10,3,7,5]
Base
  • 8
  • 10
  • 3
  • 7
  • 5
TopValue
99
HiddenCells
  • {"r":3,"c":2,"v":10}
  • {"r":3,"c":3,"v":12}
  • {"r":3,"c":1,"v":13}
  • {"r":0,"c":0,"v":99}
  • {"r":4,"c":4,"v":5}
  • {"r":4,"c":1,"v":10}
  • {"r":1,"c":0,"v":54}
  • {"r":4,"c":2,"v":3}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [62] → [_, 32] → [14, 16, 16] → [_, _, _, _] → [2, 4, _, _, _]

Show answer

Answer: Row4[2]=8, Row5[4]=4, Row5[5]=4, Row4[1]=6, Row5[3]=4, Row4[3]=8, Row4[4]=8, Row2[1]=30

SubType
number-pyramid
Difficulty
hard
Levels
  • [62]
  • [30,32]
  • [14,16,16]
  • [6,8,8,8]
  • [2,4,4,4,4]
Base
  • 2
  • 4
  • 4
  • 4
  • 4
TopValue
62
HiddenCells
  • {"r":3,"c":1,"v":8}
  • {"r":4,"c":3,"v":4}
  • {"r":4,"c":4,"v":4}
  • {"r":3,"c":0,"v":6}
  • {"r":4,"c":2,"v":4}
  • {"r":3,"c":2,"v":8}
  • {"r":3,"c":3,"v":8}
  • {"r":1,"c":0,"v":30}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [_, 25, 26] → [17, 14, _, 15] → [7, _, _, 7, _]

Show answer

Answer: Row4[3]=11, Row5[2]=10, Row3[1]=31, Row2[1]=56, Row2[2]=51, Row5[3]=4, Row1[1]=107, Row5[5]=8

SubType
number-pyramid
Difficulty
hard
Levels
  • [107]
  • [56,51]
  • [31,25,26]
  • [17,14,11,15]
  • [7,10,4,7,8]
Base
  • 7
  • 10
  • 4
  • 7
  • 8
TopValue
107
HiddenCells
  • {"r":3,"c":2,"v":11}
  • {"r":4,"c":1,"v":10}
  • {"r":2,"c":0,"v":31}
  • {"r":1,"c":0,"v":56}
  • {"r":1,"c":1,"v":51}
  • {"r":4,"c":2,"v":4}
  • {"r":0,"c":0,"v":107}
  • {"r":4,"c":4,"v":8}