medium Set 12 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [21, 20] → [_, 9, 11] → [4, _, _, 10]

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Answer: Row4[2]=8, Row4[3]=1, Row1[1]=41, Row3[1]=12

SubType
number-pyramid
Difficulty
medium
Levels
  • [41]
  • [21,20]
  • [12,9,11]
  • [4,8,1,10]
Base
  • 4
  • 8
  • 1
  • 10
TopValue
41
HiddenCells
  • {"r":3,"c":1,"v":8}
  • {"r":3,"c":2,"v":1}
  • {"r":0,"c":0,"v":41}
  • {"r":2,"c":0,"v":12}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [41] → [_, 25] → [6, _, 15] → [_, 4, _, 9]

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Answer: Row4[3]=6, Row3[2]=10, Row4[1]=2, Row2[1]=16

SubType
number-pyramid
Difficulty
medium
Levels
  • [41]
  • [16,25]
  • [6,10,15]
  • [2,4,6,9]
Base
  • 2
  • 4
  • 6
  • 9
TopValue
41
HiddenCells
  • {"r":3,"c":2,"v":6}
  • {"r":2,"c":1,"v":10}
  • {"r":3,"c":0,"v":2}
  • {"r":1,"c":0,"v":16}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [16, _] → [_, _, 7] → [10, 2, 2, 5]

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Answer: Row1[1]=27, Row3[2]=4, Row3[1]=12, Row2[2]=11

SubType
number-pyramid
Difficulty
medium
Levels
  • [27]
  • [16,11]
  • [12,4,7]
  • [10,2,2,5]
Base
  • 10
  • 2
  • 2
  • 5
TopValue
27
HiddenCells
  • {"r":0,"c":0,"v":27}
  • {"r":2,"c":1,"v":4}
  • {"r":2,"c":0,"v":12}
  • {"r":1,"c":1,"v":11}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [33, 20] → [20, _, _] → [10, _, 3, 4]

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Answer: Row3[3]=7, Row4[2]=10, Row1[1]=53, Row3[2]=13

SubType
number-pyramid
Difficulty
medium
Levels
  • [53]
  • [33,20]
  • [20,13,7]
  • [10,10,3,4]
Base
  • 10
  • 10
  • 3
  • 4
TopValue
53
HiddenCells
  • {"r":2,"c":2,"v":7}
  • {"r":3,"c":1,"v":10}
  • {"r":0,"c":0,"v":53}
  • {"r":2,"c":1,"v":13}