hard Set 97 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [134] → [_, 66] → [33, 35, _] → [_, _, _, 12] → [_, 7, _, _, 2]

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Answer: Row4[1]=17, Row5[4]=10, Row4[2]=16, Row5[3]=9, Row2[1]=68, Row3[3]=31, Row4[3]=19, Row5[1]=10

SubType
number-pyramid
Difficulty
hard
Levels
  • [134]
  • [68,66]
  • [33,35,31]
  • [17,16,19,12]
  • [10,7,9,10,2]
Base
  • 10
  • 7
  • 9
  • 10
  • 2
TopValue
134
HiddenCells
  • {"r":3,"c":0,"v":17}
  • {"r":4,"c":3,"v":10}
  • {"r":3,"c":1,"v":16}
  • {"r":4,"c":2,"v":9}
  • {"r":1,"c":0,"v":68}
  • {"r":2,"c":2,"v":31}
  • {"r":3,"c":2,"v":19}
  • {"r":4,"c":0,"v":10}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 25] → [_, _, 11] → [16, _, _, _] → [10, 6, 3, 2, _]

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Answer: Row3[1]=25, Row4[4]=6, Row5[5]=4, Row4[2]=9, Row4[3]=5, Row3[2]=14, Row2[1]=39, Row1[1]=64

SubType
number-pyramid
Difficulty
hard
Levels
  • [64]
  • [39,25]
  • [25,14,11]
  • [16,9,5,6]
  • [10,6,3,2,4]
Base
  • 10
  • 6
  • 3
  • 2
  • 4
TopValue
64
HiddenCells
  • {"r":2,"c":0,"v":25}
  • {"r":3,"c":3,"v":6}
  • {"r":4,"c":4,"v":4}
  • {"r":3,"c":1,"v":9}
  • {"r":3,"c":2,"v":5}
  • {"r":2,"c":1,"v":14}
  • {"r":1,"c":0,"v":39}
  • {"r":0,"c":0,"v":64}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 67] → [_, _, 31] → [18, 18, _, 13] → [8, _, _, 10, _]

Show answer

Answer: Row3[1]=36, Row4[3]=18, Row3[2]=36, Row5[5]=3, Row5[2]=10, Row1[1]=139, Row2[1]=72, Row5[3]=8

SubType
number-pyramid
Difficulty
hard
Levels
  • [139]
  • [72,67]
  • [36,36,31]
  • [18,18,18,13]
  • [8,10,8,10,3]
Base
  • 8
  • 10
  • 8
  • 10
  • 3
TopValue
139
HiddenCells
  • {"r":2,"c":0,"v":36}
  • {"r":3,"c":2,"v":18}
  • {"r":2,"c":1,"v":36}
  • {"r":4,"c":4,"v":3}
  • {"r":4,"c":1,"v":10}
  • {"r":0,"c":0,"v":139}
  • {"r":1,"c":0,"v":72}
  • {"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): [_] → [_, 43] → [_, _, _] → [15, 11, 12, 8] → [_, 5, 6, _, _]

Show answer

Answer: Row5[5]=2, Row1[1]=92, Row3[3]=20, Row3[1]=26, Row2[1]=49, Row5[1]=10, Row3[2]=23, Row5[4]=6

SubType
number-pyramid
Difficulty
hard
Levels
  • [92]
  • [49,43]
  • [26,23,20]
  • [15,11,12,8]
  • [10,5,6,6,2]
Base
  • 10
  • 5
  • 6
  • 6
  • 2
TopValue
92
HiddenCells
  • {"r":4,"c":4,"v":2}
  • {"r":0,"c":0,"v":92}
  • {"r":2,"c":2,"v":20}
  • {"r":2,"c":0,"v":26}
  • {"r":1,"c":0,"v":49}
  • {"r":4,"c":0,"v":10}
  • {"r":2,"c":1,"v":23}
  • {"r":4,"c":3,"v":6}