hard Set 76 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 49] → [_, _, 23] → [18, _, _, 10] → [10, 8, _, 8, _]

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Answer: Row5[5]=2, Row3[2]=26, Row2[1]=57, Row5[3]=5, Row4[2]=13, Row3[1]=31, Row1[1]=106, Row4[3]=13

SubType
number-pyramid
Difficulty
hard
Levels
  • [106]
  • [57,49]
  • [31,26,23]
  • [18,13,13,10]
  • [10,8,5,8,2]
Base
  • 10
  • 8
  • 5
  • 8
  • 2
TopValue
106
HiddenCells
  • {"r":4,"c":4,"v":2}
  • {"r":2,"c":1,"v":26}
  • {"r":1,"c":0,"v":57}
  • {"r":4,"c":2,"v":5}
  • {"r":3,"c":1,"v":13}
  • {"r":2,"c":0,"v":31}
  • {"r":0,"c":0,"v":106}
  • {"r":3,"c":2,"v":13}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [81] → [_, _] → [_, 21, _] → [_, _, 8, 7] → [4, _, _, 2, 5]

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Answer: Row4[1]=11, Row3[1]=24, Row5[3]=6, Row2[1]=45, Row4[2]=13, Row5[2]=7, Row3[3]=15, Row2[2]=36

SubType
number-pyramid
Difficulty
hard
Levels
  • [81]
  • [45,36]
  • [24,21,15]
  • [11,13,8,7]
  • [4,7,6,2,5]
Base
  • 4
  • 7
  • 6
  • 2
  • 5
TopValue
81
HiddenCells
  • {"r":3,"c":0,"v":11}
  • {"r":2,"c":0,"v":24}
  • {"r":4,"c":2,"v":6}
  • {"r":1,"c":0,"v":45}
  • {"r":3,"c":1,"v":13}
  • {"r":4,"c":1,"v":7}
  • {"r":2,"c":2,"v":15}
  • {"r":1,"c":1,"v":36}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [54, 46] → [_, 27, _] → [11, _, 11, _] → [_, 9, _, 4, _]

Show answer

Answer: Row3[3]=19, Row5[3]=7, Row4[4]=8, Row1[1]=100, Row4[2]=16, Row3[1]=27, Row5[5]=4, Row5[1]=2

SubType
number-pyramid
Difficulty
hard
Levels
  • [100]
  • [54,46]
  • [27,27,19]
  • [11,16,11,8]
  • [2,9,7,4,4]
Base
  • 2
  • 9
  • 7
  • 4
  • 4
TopValue
100
HiddenCells
  • {"r":2,"c":2,"v":19}
  • {"r":4,"c":2,"v":7}
  • {"r":3,"c":3,"v":8}
  • {"r":0,"c":0,"v":100}
  • {"r":3,"c":1,"v":16}
  • {"r":2,"c":0,"v":27}
  • {"r":4,"c":4,"v":4}
  • {"r":4,"c":0,"v":2}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [24, _] → [16, _, _] → [12, _, _, 4] → [10, _, 2, 2, _]

Show answer

Answer: Row5[5]=2, Row2[2]=16, Row4[3]=4, Row3[3]=8, Row1[1]=40, Row5[2]=2, Row3[2]=8, Row4[2]=4

SubType
number-pyramid
Difficulty
hard
Levels
  • [40]
  • [24,16]
  • [16,8,8]
  • [12,4,4,4]
  • [10,2,2,2,2]
Base
  • 10
  • 2
  • 2
  • 2
  • 2
TopValue
40
HiddenCells
  • {"r":4,"c":4,"v":2}
  • {"r":1,"c":1,"v":16}
  • {"r":3,"c":2,"v":4}
  • {"r":2,"c":2,"v":8}
  • {"r":0,"c":0,"v":40}
  • {"r":4,"c":1,"v":2}
  • {"r":2,"c":1,"v":8}
  • {"r":3,"c":1,"v":4}