hard Set 44 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [75] → [_, 36] → [22, 17, _] → [_, 7, _, _] → [_, 5, _, _, 1]

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Answer: Row5[1]=10, Row5[3]=2, Row3[3]=19, Row4[3]=10, Row5[4]=8, Row4[4]=9, Row4[1]=15, Row2[1]=39

SubType
number-pyramid
Difficulty
hard
Levels
  • [75]
  • [39,36]
  • [22,17,19]
  • [15,7,10,9]
  • [10,5,2,8,1]
Base
  • 10
  • 5
  • 2
  • 8
  • 1
TopValue
75
HiddenCells
  • {"r":4,"c":0,"v":10}
  • {"r":4,"c":2,"v":2}
  • {"r":2,"c":2,"v":19}
  • {"r":3,"c":2,"v":10}
  • {"r":4,"c":3,"v":8}
  • {"r":3,"c":3,"v":9}
  • {"r":3,"c":0,"v":15}
  • {"r":1,"c":0,"v":39}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [69] → [39, _] → [_, 14, 16] → [_, _, _, 12] → [_, _, 1, _, 9]

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Answer: Row5[2]=9, Row4[2]=10, Row5[1]=6, Row3[1]=25, Row4[1]=15, Row2[2]=30, Row4[3]=4, Row5[4]=3

SubType
number-pyramid
Difficulty
hard
Levels
  • [69]
  • [39,30]
  • [25,14,16]
  • [15,10,4,12]
  • [6,9,1,3,9]
Base
  • 6
  • 9
  • 1
  • 3
  • 9
TopValue
69
HiddenCells
  • {"r":4,"c":1,"v":9}
  • {"r":3,"c":1,"v":10}
  • {"r":4,"c":0,"v":6}
  • {"r":2,"c":0,"v":25}
  • {"r":3,"c":0,"v":15}
  • {"r":1,"c":1,"v":30}
  • {"r":3,"c":2,"v":4}
  • {"r":4,"c":3,"v":3}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [60] → [_, _] → [14, _, 18] → [_, 5, 9, _] → [_, _, 2, 7, _]

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Answer: Row4[1]=9, Row5[5]=2, Row2[2]=32, Row2[1]=28, Row3[2]=14, Row5[1]=6, Row5[2]=3, Row4[4]=9

SubType
number-pyramid
Difficulty
hard
Levels
  • [60]
  • [28,32]
  • [14,14,18]
  • [9,5,9,9]
  • [6,3,2,7,2]
Base
  • 6
  • 3
  • 2
  • 7
  • 2
TopValue
60
HiddenCells
  • {"r":3,"c":0,"v":9}
  • {"r":4,"c":4,"v":2}
  • {"r":1,"c":1,"v":32}
  • {"r":1,"c":0,"v":28}
  • {"r":2,"c":1,"v":14}
  • {"r":4,"c":0,"v":6}
  • {"r":4,"c":1,"v":3}
  • {"r":3,"c":3,"v":9}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [47, _] → [28, 19, _] → [_, 13, _, _] → [6, _, 4, _, 10]

Show answer

Answer: Row4[1]=15, Row3[3]=18, Row4[3]=6, Row5[4]=2, Row5[2]=9, Row4[4]=12, Row1[1]=84, Row2[2]=37

SubType
number-pyramid
Difficulty
hard
Levels
  • [84]
  • [47,37]
  • [28,19,18]
  • [15,13,6,12]
  • [6,9,4,2,10]
Base
  • 6
  • 9
  • 4
  • 2
  • 10
TopValue
84
HiddenCells
  • {"r":3,"c":0,"v":15}
  • {"r":2,"c":2,"v":18}
  • {"r":3,"c":2,"v":6}
  • {"r":4,"c":3,"v":2}
  • {"r":4,"c":1,"v":9}
  • {"r":3,"c":3,"v":12}
  • {"r":0,"c":0,"v":84}
  • {"r":1,"c":1,"v":37}