hard Set 67 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [63] → [_, _] → [17, 15, _] → [8, 9, _, _] → [_, _, _, 3, 7]

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Answer: Row4[3]=6, Row2[1]=32, Row4[4]=10, Row5[1]=2, Row5[3]=3, Row5[2]=6, Row3[3]=16, Row2[2]=31

SubType
number-pyramid
Difficulty
hard
Levels
  • [63]
  • [32,31]
  • [17,15,16]
  • [8,9,6,10]
  • [2,6,3,3,7]
Base
  • 2
  • 6
  • 3
  • 3
  • 7
TopValue
63
HiddenCells
  • {"r":3,"c":2,"v":6}
  • {"r":1,"c":0,"v":32}
  • {"r":3,"c":3,"v":10}
  • {"r":4,"c":0,"v":2}
  • {"r":4,"c":2,"v":3}
  • {"r":4,"c":1,"v":6}
  • {"r":2,"c":2,"v":16}
  • {"r":1,"c":1,"v":31}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [30, 24, 25] → [_, 14, 10, 15] → [7, _, _, _, _]

Show answer

Answer: Row1[1]=103, Row5[3]=5, Row2[2]=49, Row5[2]=9, Row2[1]=54, Row5[5]=10, Row5[4]=5, Row4[1]=16

SubType
number-pyramid
Difficulty
hard
Levels
  • [103]
  • [54,49]
  • [30,24,25]
  • [16,14,10,15]
  • [7,9,5,5,10]
Base
  • 7
  • 9
  • 5
  • 5
  • 10
TopValue
103
HiddenCells
  • {"r":0,"c":0,"v":103}
  • {"r":4,"c":2,"v":5}
  • {"r":1,"c":1,"v":49}
  • {"r":4,"c":1,"v":9}
  • {"r":1,"c":0,"v":54}
  • {"r":4,"c":4,"v":10}
  • {"r":4,"c":3,"v":5}
  • {"r":3,"c":0,"v":16}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [96] → [53, 43] → [_, 22, _] → [_, 13, _, _] → [_, _, 4, 5, _]

Show answer

Answer: Row4[1]=18, Row5[5]=7, Row5[2]=9, Row4[4]=12, Row3[1]=31, Row3[3]=21, Row4[3]=9, Row5[1]=9

SubType
number-pyramid
Difficulty
hard
Levels
  • [96]
  • [53,43]
  • [31,22,21]
  • [18,13,9,12]
  • [9,9,4,5,7]
Base
  • 9
  • 9
  • 4
  • 5
  • 7
TopValue
96
HiddenCells
  • {"r":3,"c":0,"v":18}
  • {"r":4,"c":4,"v":7}
  • {"r":4,"c":1,"v":9}
  • {"r":3,"c":3,"v":12}
  • {"r":2,"c":0,"v":31}
  • {"r":2,"c":2,"v":21}
  • {"r":3,"c":2,"v":9}
  • {"r":4,"c":0,"v":9}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [120] → [59, 61] → [_, _, _] → [14, 15, 15, _] → [_, _, 5, _, _]

Show answer

Answer: Row3[2]=30, Row4[4]=16, Row3[1]=29, Row5[1]=4, Row3[3]=31, Row5[4]=10, Row5[2]=10, Row5[5]=6

SubType
number-pyramid
Difficulty
hard
Levels
  • [120]
  • [59,61]
  • [29,30,31]
  • [14,15,15,16]
  • [4,10,5,10,6]
Base
  • 4
  • 10
  • 5
  • 10
  • 6
TopValue
120
HiddenCells
  • {"r":2,"c":1,"v":30}
  • {"r":3,"c":3,"v":16}
  • {"r":2,"c":0,"v":29}
  • {"r":4,"c":0,"v":4}
  • {"r":2,"c":2,"v":31}
  • {"r":4,"c":3,"v":10}
  • {"r":4,"c":1,"v":10}
  • {"r":4,"c":4,"v":6}