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): [_] → [_, 31] → [16, _, 12] → [_, _, _, _] → [4, 2, _, 1, 2]

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Answer: Row4[1]=6, Row4[2]=10, Row3[2]=19, Row2[1]=35, Row5[3]=8, Row4[4]=3, Row1[1]=66, Row4[3]=9

SubType
number-pyramid
Difficulty
hard
Levels
  • [66]
  • [35,31]
  • [16,19,12]
  • [6,10,9,3]
  • [4,2,8,1,2]
Base
  • 4
  • 2
  • 8
  • 1
  • 2
TopValue
66
HiddenCells
  • {"r":3,"c":0,"v":6}
  • {"r":3,"c":1,"v":10}
  • {"r":2,"c":1,"v":19}
  • {"r":1,"c":0,"v":35}
  • {"r":4,"c":2,"v":8}
  • {"r":3,"c":3,"v":3}
  • {"r":0,"c":0,"v":66}
  • {"r":3,"c":2,"v":9}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [42, 62] → [_, _, 35] → [_, _, _, 18] → [_, 1, 9, 8, _]

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Answer: Row5[5]=10, Row4[2]=10, Row5[1]=4, Row3[2]=27, Row4[1]=5, Row3[1]=15, Row1[1]=104, Row4[3]=17

SubType
number-pyramid
Difficulty
hard
Levels
  • [104]
  • [42,62]
  • [15,27,35]
  • [5,10,17,18]
  • [4,1,9,8,10]
Base
  • 4
  • 1
  • 9
  • 8
  • 10
TopValue
104
HiddenCells
  • {"r":4,"c":4,"v":10}
  • {"r":3,"c":1,"v":10}
  • {"r":4,"c":0,"v":4}
  • {"r":2,"c":1,"v":27}
  • {"r":3,"c":0,"v":5}
  • {"r":2,"c":0,"v":15}
  • {"r":0,"c":0,"v":104}
  • {"r":3,"c":2,"v":17}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [43, 39] → [21, 22, 17] → [_, _, _, _] → [1, _, 4, _, _]

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Answer: Row4[4]=7, Row5[4]=6, Row5[2]=8, Row5[5]=1, Row4[3]=10, Row1[1]=82, Row4[1]=9, Row4[2]=12

SubType
number-pyramid
Difficulty
hard
Levels
  • [82]
  • [43,39]
  • [21,22,17]
  • [9,12,10,7]
  • [1,8,4,6,1]
Base
  • 1
  • 8
  • 4
  • 6
  • 1
TopValue
82
HiddenCells
  • {"r":3,"c":3,"v":7}
  • {"r":4,"c":3,"v":6}
  • {"r":4,"c":1,"v":8}
  • {"r":4,"c":4,"v":1}
  • {"r":3,"c":2,"v":10}
  • {"r":0,"c":0,"v":82}
  • {"r":3,"c":0,"v":9}
  • {"r":3,"c":1,"v":12}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [140] → [_, _] → [_, _, _] → [_, 17, 19, 15] → [10, 7, _, _, 6]

Show answer

Answer: Row5[3]=10, Row2[1]=70, Row3[3]=34, Row2[2]=70, Row3[2]=36, Row3[1]=34, Row4[1]=17, Row5[4]=9

SubType
number-pyramid
Difficulty
hard
Levels
  • [140]
  • [70,70]
  • [34,36,34]
  • [17,17,19,15]
  • [10,7,10,9,6]
Base
  • 10
  • 7
  • 10
  • 9
  • 6
TopValue
140
HiddenCells
  • {"r":4,"c":2,"v":10}
  • {"r":1,"c":0,"v":70}
  • {"r":2,"c":2,"v":34}
  • {"r":1,"c":1,"v":70}
  • {"r":2,"c":1,"v":36}
  • {"r":2,"c":0,"v":34}
  • {"r":3,"c":0,"v":17}
  • {"r":4,"c":3,"v":9}