hard Set 61 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [128] → [_, 64] → [34, _, 34] → [19, _, 15, _] → [_, _, _, 10, _]

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Answer: Row5[3]=5, Row4[4]=19, Row4[2]=15, Row2[1]=64, Row5[2]=10, Row5[1]=9, Row3[2]=30, Row5[5]=9

SubType
number-pyramid
Difficulty
hard
Levels
  • [128]
  • [64,64]
  • [34,30,34]
  • [19,15,15,19]
  • [9,10,5,10,9]
Base
  • 9
  • 10
  • 5
  • 10
  • 9
TopValue
128
HiddenCells
  • {"r":4,"c":2,"v":5}
  • {"r":3,"c":3,"v":19}
  • {"r":3,"c":1,"v":15}
  • {"r":1,"c":0,"v":64}
  • {"r":4,"c":1,"v":10}
  • {"r":4,"c":0,"v":9}
  • {"r":2,"c":1,"v":30}
  • {"r":4,"c":4,"v":9}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [21, _] → [_, 8, _] → [8, 5, 3, _] → [_, _, _, 1, 2]

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Answer: Row5[3]=2, Row5[1]=5, Row3[1]=13, Row3[3]=6, Row4[4]=3, Row2[2]=14, Row1[1]=35, Row5[2]=3

SubType
number-pyramid
Difficulty
hard
Levels
  • [35]
  • [21,14]
  • [13,8,6]
  • [8,5,3,3]
  • [5,3,2,1,2]
Base
  • 5
  • 3
  • 2
  • 1
  • 2
TopValue
35
HiddenCells
  • {"r":4,"c":2,"v":2}
  • {"r":4,"c":0,"v":5}
  • {"r":2,"c":0,"v":13}
  • {"r":2,"c":2,"v":6}
  • {"r":3,"c":3,"v":3}
  • {"r":1,"c":1,"v":14}
  • {"r":0,"c":0,"v":35}
  • {"r":4,"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): [99] → [_, _] → [28, 27, _] → [12, 16, _, 6] → [_, _, _, _, 3]

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Answer: Row4[3]=11, Row5[2]=8, Row2[1]=55, Row2[2]=44, Row5[4]=3, Row3[3]=17, Row5[1]=4, Row5[3]=8

SubType
number-pyramid
Difficulty
hard
Levels
  • [99]
  • [55,44]
  • [28,27,17]
  • [12,16,11,6]
  • [4,8,8,3,3]
Base
  • 4
  • 8
  • 8
  • 3
  • 3
TopValue
99
HiddenCells
  • {"r":3,"c":2,"v":11}
  • {"r":4,"c":1,"v":8}
  • {"r":1,"c":0,"v":55}
  • {"r":1,"c":1,"v":44}
  • {"r":4,"c":3,"v":3}
  • {"r":2,"c":2,"v":17}
  • {"r":4,"c":0,"v":4}
  • {"r":4,"c":2,"v":8}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [30, 27, 22] → [15, _, 12, _] → [8, _, 8, _, _]

Show answer

Answer: Row2[1]=57, Row5[5]=6, Row2[2]=49, Row1[1]=106, Row5[2]=7, Row4[4]=10, Row5[4]=4, Row4[2]=15

SubType
number-pyramid
Difficulty
hard
Levels
  • [106]
  • [57,49]
  • [30,27,22]
  • [15,15,12,10]
  • [8,7,8,4,6]
Base
  • 8
  • 7
  • 8
  • 4
  • 6
TopValue
106
HiddenCells
  • {"r":1,"c":0,"v":57}
  • {"r":4,"c":4,"v":6}
  • {"r":1,"c":1,"v":49}
  • {"r":0,"c":0,"v":106}
  • {"r":4,"c":1,"v":7}
  • {"r":3,"c":3,"v":10}
  • {"r":4,"c":3,"v":4}
  • {"r":3,"c":1,"v":15}