hard Set 72 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [99] → [_, 51] → [21, _, _] → [_, _, 14, _] → [_, 3, 10, 4, _]

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Answer: Row5[5]=6, Row3[2]=27, Row4[4]=10, Row2[1]=48, Row5[1]=5, Row3[3]=24, Row4[2]=13, Row4[1]=8

SubType
number-pyramid
Difficulty
hard
Levels
  • [99]
  • [48,51]
  • [21,27,24]
  • [8,13,14,10]
  • [5,3,10,4,6]
Base
  • 5
  • 3
  • 10
  • 4
  • 6
TopValue
99
HiddenCells
  • {"r":4,"c":4,"v":6}
  • {"r":2,"c":1,"v":27}
  • {"r":3,"c":3,"v":10}
  • {"r":1,"c":0,"v":48}
  • {"r":4,"c":0,"v":5}
  • {"r":2,"c":2,"v":24}
  • {"r":3,"c":1,"v":13}
  • {"r":3,"c":0,"v":8}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [132] → [_, 68] → [_, _, 32] → [_, 18, _, 14] → [2, 8, _, _, _]

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Answer: Row5[4]=8, Row4[3]=18, Row5[3]=10, Row3[2]=36, Row3[1]=28, Row2[1]=64, Row4[1]=10, Row5[5]=6

SubType
number-pyramid
Difficulty
hard
Levels
  • [132]
  • [64,68]
  • [28,36,32]
  • [10,18,18,14]
  • [2,8,10,8,6]
Base
  • 2
  • 8
  • 10
  • 8
  • 6
TopValue
132
HiddenCells
  • {"r":4,"c":3,"v":8}
  • {"r":3,"c":2,"v":18}
  • {"r":4,"c":2,"v":10}
  • {"r":2,"c":1,"v":36}
  • {"r":2,"c":0,"v":28}
  • {"r":1,"c":0,"v":64}
  • {"r":3,"c":0,"v":10}
  • {"r":4,"c":4,"v":6}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [107] → [55, 52] → [_, _, _] → [11, 15, _, 9] → [5, _, _, _, _]

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Answer: Row3[3]=23, Row4[3]=14, Row5[2]=6, Row5[3]=9, Row3[1]=26, Row3[2]=29, Row5[5]=4, Row5[4]=5

SubType
number-pyramid
Difficulty
hard
Levels
  • [107]
  • [55,52]
  • [26,29,23]
  • [11,15,14,9]
  • [5,6,9,5,4]
Base
  • 5
  • 6
  • 9
  • 5
  • 4
TopValue
107
HiddenCells
  • {"r":2,"c":2,"v":23}
  • {"r":3,"c":2,"v":14}
  • {"r":4,"c":1,"v":6}
  • {"r":4,"c":2,"v":9}
  • {"r":2,"c":0,"v":26}
  • {"r":2,"c":1,"v":29}
  • {"r":4,"c":4,"v":4}
  • {"r":4,"c":3,"v":5}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [75] → [_, 44] → [_, 21, 23] → [_, _, 13, _] → [_, 1, _, _, 4]

Show answer

Answer: Row5[4]=6, Row4[2]=8, Row5[1]=1, Row5[3]=7, Row3[1]=10, Row2[1]=31, Row4[4]=10, Row4[1]=2

SubType
number-pyramid
Difficulty
hard
Levels
  • [75]
  • [31,44]
  • [10,21,23]
  • [2,8,13,10]
  • [1,1,7,6,4]
Base
  • 1
  • 1
  • 7
  • 6
  • 4
TopValue
75
HiddenCells
  • {"r":4,"c":3,"v":6}
  • {"r":3,"c":1,"v":8}
  • {"r":4,"c":0,"v":1}
  • {"r":4,"c":2,"v":7}
  • {"r":2,"c":0,"v":10}
  • {"r":1,"c":0,"v":31}
  • {"r":3,"c":3,"v":10}
  • {"r":3,"c":0,"v":2}