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): [72] → [37, 35] → [_, 16, _] → [12, _, _, 12] → [_, 5, _, _, _]

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Answer: Row5[5]=9, Row5[3]=4, Row5[1]=7, Row5[4]=3, Row4[3]=7, Row4[2]=9, Row3[3]=19, Row3[1]=21

SubType
number-pyramid
Difficulty
hard
Levels
  • [72]
  • [37,35]
  • [21,16,19]
  • [12,9,7,12]
  • [7,5,4,3,9]
Base
  • 7
  • 5
  • 4
  • 3
  • 9
TopValue
72
HiddenCells
  • {"r":4,"c":4,"v":9}
  • {"r":4,"c":2,"v":4}
  • {"r":4,"c":0,"v":7}
  • {"r":4,"c":3,"v":3}
  • {"r":3,"c":2,"v":7}
  • {"r":3,"c":1,"v":9}
  • {"r":2,"c":2,"v":19}
  • {"r":2,"c":0,"v":21}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 49] → [18, 21, _] → [8, 10, _, _] → [_, 7, _, _, 9]

Show answer

Answer: Row5[3]=3, Row5[4]=8, Row5[1]=1, Row4[3]=11, Row4[4]=17, Row1[1]=88, Row2[1]=39, Row3[3]=28

SubType
number-pyramid
Difficulty
hard
Levels
  • [88]
  • [39,49]
  • [18,21,28]
  • [8,10,11,17]
  • [1,7,3,8,9]
Base
  • 1
  • 7
  • 3
  • 8
  • 9
TopValue
88
HiddenCells
  • {"r":4,"c":2,"v":3}
  • {"r":4,"c":3,"v":8}
  • {"r":4,"c":0,"v":1}
  • {"r":3,"c":2,"v":11}
  • {"r":3,"c":3,"v":17}
  • {"r":0,"c":0,"v":88}
  • {"r":1,"c":0,"v":39}
  • {"r":2,"c":2,"v":28}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [33, 22, 11] → [18, 15, _, _] → [_, _, 5, _, 2]

Show answer

Answer: Row1[1]=88, Row5[2]=10, Row5[4]=2, Row4[4]=4, Row2[1]=55, Row2[2]=33, Row5[1]=8, Row4[3]=7

SubType
number-pyramid
Difficulty
hard
Levels
  • [88]
  • [55,33]
  • [33,22,11]
  • [18,15,7,4]
  • [8,10,5,2,2]
Base
  • 8
  • 10
  • 5
  • 2
  • 2
TopValue
88
HiddenCells
  • {"r":0,"c":0,"v":88}
  • {"r":4,"c":1,"v":10}
  • {"r":4,"c":3,"v":2}
  • {"r":3,"c":3,"v":4}
  • {"r":1,"c":0,"v":55}
  • {"r":1,"c":1,"v":33}
  • {"r":4,"c":0,"v":8}
  • {"r":3,"c":2,"v":7}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [74] → [36, 38] → [16, _, 18] → [_, _, _, _] → [_, _, _, 5, 2]

Show answer

Answer: Row4[2]=9, Row5[2]=3, Row3[2]=20, Row5[3]=6, Row5[1]=4, Row4[1]=7, Row4[3]=11, Row4[4]=7

SubType
number-pyramid
Difficulty
hard
Levels
  • [74]
  • [36,38]
  • [16,20,18]
  • [7,9,11,7]
  • [4,3,6,5,2]
Base
  • 4
  • 3
  • 6
  • 5
  • 2
TopValue
74
HiddenCells
  • {"r":3,"c":1,"v":9}
  • {"r":4,"c":1,"v":3}
  • {"r":2,"c":1,"v":20}
  • {"r":4,"c":2,"v":6}
  • {"r":4,"c":0,"v":4}
  • {"r":3,"c":0,"v":7}
  • {"r":3,"c":2,"v":11}
  • {"r":3,"c":3,"v":7}