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): [_] → [28, _] → [15, 13, _] → [9, 6, _, _] → [_, 3, _, _, 8]

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Answer: Row5[1]=6, Row5[4]=4, Row1[1]=60, Row2[2]=32, Row3[3]=19, Row4[3]=7, Row4[4]=12, Row5[3]=3

SubType
number-pyramid
Difficulty
hard
Levels
  • [60]
  • [28,32]
  • [15,13,19]
  • [9,6,7,12]
  • [6,3,3,4,8]
Base
  • 6
  • 3
  • 3
  • 4
  • 8
TopValue
60
HiddenCells
  • {"r":4,"c":0,"v":6}
  • {"r":4,"c":3,"v":4}
  • {"r":0,"c":0,"v":60}
  • {"r":1,"c":1,"v":32}
  • {"r":2,"c":2,"v":19}
  • {"r":3,"c":2,"v":7}
  • {"r":3,"c":3,"v":12}
  • {"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): [127] → [65, _] → [_, _, _] → [13, _, 16, 12] → [_, _, 8, 8, _]

Show answer

Answer: Row5[5]=4, Row4[2]=18, Row2[2]=62, Row3[1]=31, Row3[2]=34, Row5[1]=3, Row3[3]=28, Row5[2]=10

SubType
number-pyramid
Difficulty
hard
Levels
  • [127]
  • [65,62]
  • [31,34,28]
  • [13,18,16,12]
  • [3,10,8,8,4]
Base
  • 3
  • 10
  • 8
  • 8
  • 4
TopValue
127
HiddenCells
  • {"r":4,"c":4,"v":4}
  • {"r":3,"c":1,"v":18}
  • {"r":1,"c":1,"v":62}
  • {"r":2,"c":0,"v":31}
  • {"r":2,"c":1,"v":34}
  • {"r":4,"c":0,"v":3}
  • {"r":2,"c":2,"v":28}
  • {"r":4,"c":1,"v":10}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [55, 64] → [_, _, 35] → [_, _, 17, 18] → [9, _, _, _, 8]

Show answer

Answer: Row5[4]=10, Row3[2]=29, Row5[2]=5, Row3[1]=26, Row4[1]=14, Row5[3]=7, Row4[2]=12, Row1[1]=119

SubType
number-pyramid
Difficulty
hard
Levels
  • [119]
  • [55,64]
  • [26,29,35]
  • [14,12,17,18]
  • [9,5,7,10,8]
Base
  • 9
  • 5
  • 7
  • 10
  • 8
TopValue
119
HiddenCells
  • {"r":4,"c":3,"v":10}
  • {"r":2,"c":1,"v":29}
  • {"r":4,"c":1,"v":5}
  • {"r":2,"c":0,"v":26}
  • {"r":3,"c":0,"v":14}
  • {"r":4,"c":2,"v":7}
  • {"r":3,"c":1,"v":12}
  • {"r":0,"c":0,"v":119}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [70] → [36, 34] → [18, _, _] → [9, _, 9, _] → [_, 5, _, _, _]

Show answer

Answer: Row3[2]=18, Row4[2]=9, Row5[4]=5, Row4[4]=7, Row5[1]=4, Row5[5]=2, Row5[3]=4, Row3[3]=16

SubType
number-pyramid
Difficulty
hard
Levels
  • [70]
  • [36,34]
  • [18,18,16]
  • [9,9,9,7]
  • [4,5,4,5,2]
Base
  • 4
  • 5
  • 4
  • 5
  • 2
TopValue
70
HiddenCells
  • {"r":2,"c":1,"v":18}
  • {"r":3,"c":1,"v":9}
  • {"r":4,"c":3,"v":5}
  • {"r":3,"c":3,"v":7}
  • {"r":4,"c":0,"v":4}
  • {"r":4,"c":4,"v":2}
  • {"r":4,"c":2,"v":4}
  • {"r":2,"c":2,"v":16}