hard Set 41 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [_, _, 38] → [_, _, 18, 20] → [2, 2, 8, 10, _]

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Answer: Row2[1]=42, Row4[2]=10, Row1[1]=108, Row3[1]=14, Row3[2]=28, Row5[5]=10, Row4[1]=4, Row2[2]=66

SubType
number-pyramid
Difficulty
hard
Levels
  • [108]
  • [42,66]
  • [14,28,38]
  • [4,10,18,20]
  • [2,2,8,10,10]
Base
  • 2
  • 2
  • 8
  • 10
  • 10
TopValue
108
HiddenCells
  • {"r":1,"c":0,"v":42}
  • {"r":3,"c":1,"v":10}
  • {"r":0,"c":0,"v":108}
  • {"r":2,"c":0,"v":14}
  • {"r":2,"c":1,"v":28}
  • {"r":4,"c":4,"v":10}
  • {"r":3,"c":0,"v":4}
  • {"r":1,"c":1,"v":66}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [67, _] → [_, _, 29] → [_, 17, 14, _] → [_, _, 7, 7, 8]

Show answer

Answer: Row1[1]=127, Row5[2]=10, Row3[1]=36, Row4[1]=19, Row2[2]=60, Row4[4]=15, Row3[2]=31, Row5[1]=9

SubType
number-pyramid
Difficulty
hard
Levels
  • [127]
  • [67,60]
  • [36,31,29]
  • [19,17,14,15]
  • [9,10,7,7,8]
Base
  • 9
  • 10
  • 7
  • 7
  • 8
TopValue
127
HiddenCells
  • {"r":0,"c":0,"v":127}
  • {"r":4,"c":1,"v":10}
  • {"r":2,"c":0,"v":36}
  • {"r":3,"c":0,"v":19}
  • {"r":1,"c":1,"v":60}
  • {"r":3,"c":3,"v":15}
  • {"r":2,"c":1,"v":31}
  • {"r":4,"c":0,"v":9}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [73] → [39, 34] → [_, 16, _] → [13, 10, _, _] → [_, 6, _, _, _]

Show answer

Answer: Row3[3]=18, Row5[3]=4, Row5[5]=10, Row4[4]=12, Row5[1]=7, Row3[1]=23, Row4[3]=6, Row5[4]=2

SubType
number-pyramid
Difficulty
hard
Levels
  • [73]
  • [39,34]
  • [23,16,18]
  • [13,10,6,12]
  • [7,6,4,2,10]
Base
  • 7
  • 6
  • 4
  • 2
  • 10
TopValue
73
HiddenCells
  • {"r":2,"c":2,"v":18}
  • {"r":4,"c":2,"v":4}
  • {"r":4,"c":4,"v":10}
  • {"r":3,"c":3,"v":12}
  • {"r":4,"c":0,"v":7}
  • {"r":2,"c":0,"v":23}
  • {"r":3,"c":2,"v":6}
  • {"r":4,"c":3,"v":2}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 41] → [29, _, _] → [15, 14, 8, 11] → [_, _, _, _, 10]

Show answer

Answer: Row5[1]=8, Row1[1]=92, Row5[2]=7, Row3[3]=19, Row5[4]=1, Row3[2]=22, Row2[1]=51, Row5[3]=7

SubType
number-pyramid
Difficulty
hard
Levels
  • [92]
  • [51,41]
  • [29,22,19]
  • [15,14,8,11]
  • [8,7,7,1,10]
Base
  • 8
  • 7
  • 7
  • 1
  • 10
TopValue
92
HiddenCells
  • {"r":4,"c":0,"v":8}
  • {"r":0,"c":0,"v":92}
  • {"r":4,"c":1,"v":7}
  • {"r":2,"c":2,"v":19}
  • {"r":4,"c":3,"v":1}
  • {"r":2,"c":1,"v":22}
  • {"r":1,"c":0,"v":51}
  • {"r":4,"c":2,"v":7}