hard Set 57 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [41, 42] → [21, 20, _] → [_, _, _, _] → [1, _, _, 7, 6]

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Answer: Row3[3]=22, Row1[1]=83, Row5[2]=9, Row5[3]=2, Row4[2]=11, Row4[4]=13, Row4[3]=9, Row4[1]=10

SubType
number-pyramid
Difficulty
hard
Levels
  • [83]
  • [41,42]
  • [21,20,22]
  • [10,11,9,13]
  • [1,9,2,7,6]
Base
  • 1
  • 9
  • 2
  • 7
  • 6
TopValue
83
HiddenCells
  • {"r":2,"c":2,"v":22}
  • {"r":0,"c":0,"v":83}
  • {"r":4,"c":1,"v":9}
  • {"r":4,"c":2,"v":2}
  • {"r":3,"c":1,"v":11}
  • {"r":3,"c":3,"v":13}
  • {"r":3,"c":2,"v":9}
  • {"r":3,"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): [121] → [_, 56] → [33, _, _] → [_, _, 16, _] → [10, 7, _, 7, _]

Show answer

Answer: Row3[3]=24, Row4[1]=17, Row5[5]=1, Row3[2]=32, Row2[1]=65, Row4[2]=16, Row5[3]=9, Row4[4]=8

SubType
number-pyramid
Difficulty
hard
Levels
  • [121]
  • [65,56]
  • [33,32,24]
  • [17,16,16,8]
  • [10,7,9,7,1]
Base
  • 10
  • 7
  • 9
  • 7
  • 1
TopValue
121
HiddenCells
  • {"r":2,"c":2,"v":24}
  • {"r":3,"c":0,"v":17}
  • {"r":4,"c":4,"v":1}
  • {"r":2,"c":1,"v":32}
  • {"r":1,"c":0,"v":65}
  • {"r":3,"c":1,"v":16}
  • {"r":4,"c":2,"v":9}
  • {"r":3,"c":3,"v":8}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [53] → [_, 30] → [8, _, _] → [_, 6, _, _] → [_, _, 5, 4, 2]

Show answer

Answer: Row3[3]=15, Row4[4]=6, Row2[1]=23, Row4[3]=9, Row5[1]=1, Row4[1]=2, Row5[2]=1, Row3[2]=15

SubType
number-pyramid
Difficulty
hard
Levels
  • [53]
  • [23,30]
  • [8,15,15]
  • [2,6,9,6]
  • [1,1,5,4,2]
Base
  • 1
  • 1
  • 5
  • 4
  • 2
TopValue
53
HiddenCells
  • {"r":2,"c":2,"v":15}
  • {"r":3,"c":3,"v":6}
  • {"r":1,"c":0,"v":23}
  • {"r":3,"c":2,"v":9}
  • {"r":4,"c":0,"v":1}
  • {"r":3,"c":0,"v":2}
  • {"r":4,"c":1,"v":1}
  • {"r":2,"c":1,"v":15}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [63] → [40, 23] → [24, _, _] → [_, 12, _, _] → [_, _, 2, 2, _]

Show answer

Answer: Row5[5]=1, Row5[2]=10, Row3[3]=7, Row4[3]=4, Row3[2]=16, Row4[1]=12, Row4[4]=3, Row5[1]=2

SubType
number-pyramid
Difficulty
hard
Levels
  • [63]
  • [40,23]
  • [24,16,7]
  • [12,12,4,3]
  • [2,10,2,2,1]
Base
  • 2
  • 10
  • 2
  • 2
  • 1
TopValue
63
HiddenCells
  • {"r":4,"c":4,"v":1}
  • {"r":4,"c":1,"v":10}
  • {"r":2,"c":2,"v":7}
  • {"r":3,"c":2,"v":4}
  • {"r":2,"c":1,"v":16}
  • {"r":3,"c":0,"v":12}
  • {"r":3,"c":3,"v":3}
  • {"r":4,"c":0,"v":2}