hard Set 39 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 67] → [_, _, _] → [_, 19, _, 12] → [_, 9, 10, 8, 4]

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Answer: Row4[3]=18, Row2[1]=74, Row5[1]=9, Row1[1]=141, Row3[2]=37, Row3[3]=30, Row3[1]=37, Row4[1]=18

SubType
number-pyramid
Difficulty
hard
Levels
  • [141]
  • [74,67]
  • [37,37,30]
  • [18,19,18,12]
  • [9,9,10,8,4]
Base
  • 9
  • 9
  • 10
  • 8
  • 4
TopValue
141
HiddenCells
  • {"r":3,"c":2,"v":18}
  • {"r":1,"c":0,"v":74}
  • {"r":4,"c":0,"v":9}
  • {"r":0,"c":0,"v":141}
  • {"r":2,"c":1,"v":37}
  • {"r":2,"c":2,"v":30}
  • {"r":2,"c":0,"v":37}
  • {"r":3,"c":0,"v":18}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [66] → [28, 38] → [_, _, 24] → [_, _, _, _] → [10, 1, _, _, 4]

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Answer: Row4[4]=13, Row4[1]=11, Row5[4]=9, Row5[3]=2, Row3[2]=14, Row4[3]=11, Row3[1]=14, Row4[2]=3

SubType
number-pyramid
Difficulty
hard
Levels
  • [66]
  • [28,38]
  • [14,14,24]
  • [11,3,11,13]
  • [10,1,2,9,4]
Base
  • 10
  • 1
  • 2
  • 9
  • 4
TopValue
66
HiddenCells
  • {"r":3,"c":3,"v":13}
  • {"r":3,"c":0,"v":11}
  • {"r":4,"c":3,"v":9}
  • {"r":4,"c":2,"v":2}
  • {"r":2,"c":1,"v":14}
  • {"r":3,"c":2,"v":11}
  • {"r":2,"c":0,"v":14}
  • {"r":3,"c":1,"v":3}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [86] → [_, 40] → [_, 22, _] → [12, _, _, _] → [8, 4, _, _, 6]

Show answer

Answer: Row5[3]=8, Row5[4]=2, Row3[1]=24, Row2[1]=46, Row4[2]=12, Row4[4]=8, Row4[3]=10, Row3[3]=18

SubType
number-pyramid
Difficulty
hard
Levels
  • [86]
  • [46,40]
  • [24,22,18]
  • [12,12,10,8]
  • [8,4,8,2,6]
Base
  • 8
  • 4
  • 8
  • 2
  • 6
TopValue
86
HiddenCells
  • {"r":4,"c":2,"v":8}
  • {"r":4,"c":3,"v":2}
  • {"r":2,"c":0,"v":24}
  • {"r":1,"c":0,"v":46}
  • {"r":3,"c":1,"v":12}
  • {"r":3,"c":3,"v":8}
  • {"r":3,"c":2,"v":10}
  • {"r":2,"c":2,"v":18}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [46, _] → [28, _, 11] → [15, 13, _, _] → [6, 9, _, _, _]

Show answer

Answer: Row5[5]=5, Row1[1]=75, Row4[4]=6, Row5[3]=4, Row4[3]=5, Row2[2]=29, Row5[4]=1, Row3[2]=18

SubType
number-pyramid
Difficulty
hard
Levels
  • [75]
  • [46,29]
  • [28,18,11]
  • [15,13,5,6]
  • [6,9,4,1,5]
Base
  • 6
  • 9
  • 4
  • 1
  • 5
TopValue
75
HiddenCells
  • {"r":4,"c":4,"v":5}
  • {"r":0,"c":0,"v":75}
  • {"r":3,"c":3,"v":6}
  • {"r":4,"c":2,"v":4}
  • {"r":3,"c":2,"v":5}
  • {"r":1,"c":1,"v":29}
  • {"r":4,"c":3,"v":1}
  • {"r":2,"c":1,"v":18}