hard Set 18 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [67] → [_, _] → [8, _, _] → [_, 6, _, _] → [1, _, 5, 7, 4]

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Answer: Row4[4]=11, Row4[3]=12, Row3[3]=23, Row2[1]=26, Row5[2]=1, Row3[2]=18, Row4[1]=2, Row2[2]=41

SubType
number-pyramid
Difficulty
hard
Levels
  • [67]
  • [26,41]
  • [8,18,23]
  • [2,6,12,11]
  • [1,1,5,7,4]
Base
  • 1
  • 1
  • 5
  • 7
  • 4
TopValue
67
HiddenCells
  • {"r":3,"c":3,"v":11}
  • {"r":3,"c":2,"v":12}
  • {"r":2,"c":2,"v":23}
  • {"r":1,"c":0,"v":26}
  • {"r":4,"c":1,"v":1}
  • {"r":2,"c":1,"v":18}
  • {"r":3,"c":0,"v":2}
  • {"r":1,"c":1,"v":41}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [20, 22, 28] → [_, 10, _, 16] → [_, 4, _, _, 10]

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Answer: Row2[1]=42, Row2[2]=50, Row5[4]=6, Row5[1]=6, Row4[3]=12, Row4[1]=10, Row1[1]=92, Row5[3]=6

SubType
number-pyramid
Difficulty
hard
Levels
  • [92]
  • [42,50]
  • [20,22,28]
  • [10,10,12,16]
  • [6,4,6,6,10]
Base
  • 6
  • 4
  • 6
  • 6
  • 10
TopValue
92
HiddenCells
  • {"r":1,"c":0,"v":42}
  • {"r":1,"c":1,"v":50}
  • {"r":4,"c":3,"v":6}
  • {"r":4,"c":0,"v":6}
  • {"r":3,"c":2,"v":12}
  • {"r":3,"c":0,"v":10}
  • {"r":0,"c":0,"v":92}
  • {"r":4,"c":2,"v":6}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 33] → [_, _, _] → [_, 13, 6, _] → [6, _, 4, 2, 6]

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Answer: Row5[2]=9, Row4[1]=15, Row4[4]=8, Row2[1]=47, Row3[3]=14, Row1[1]=80, Row3[1]=28, Row3[2]=19

SubType
number-pyramid
Difficulty
hard
Levels
  • [80]
  • [47,33]
  • [28,19,14]
  • [15,13,6,8]
  • [6,9,4,2,6]
Base
  • 6
  • 9
  • 4
  • 2
  • 6
TopValue
80
HiddenCells
  • {"r":4,"c":1,"v":9}
  • {"r":3,"c":0,"v":15}
  • {"r":3,"c":3,"v":8}
  • {"r":1,"c":0,"v":47}
  • {"r":2,"c":2,"v":14}
  • {"r":0,"c":0,"v":80}
  • {"r":2,"c":0,"v":28}
  • {"r":2,"c":1,"v":19}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [111] → [_, _] → [35, _, 20] → [17, _, 10, _] → [_, 9, _, 1, _]

Show answer

Answer: Row4[4]=10, Row5[5]=9, Row5[1]=8, Row2[1]=63, Row4[2]=18, Row5[3]=9, Row2[2]=48, Row3[2]=28

SubType
number-pyramid
Difficulty
hard
Levels
  • [111]
  • [63,48]
  • [35,28,20]
  • [17,18,10,10]
  • [8,9,9,1,9]
Base
  • 8
  • 9
  • 9
  • 1
  • 9
TopValue
111
HiddenCells
  • {"r":3,"c":3,"v":10}
  • {"r":4,"c":4,"v":9}
  • {"r":4,"c":0,"v":8}
  • {"r":1,"c":0,"v":63}
  • {"r":3,"c":1,"v":18}
  • {"r":4,"c":2,"v":9}
  • {"r":1,"c":1,"v":48}
  • {"r":2,"c":1,"v":28}