medium Set 52 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [21, _] → [_, 10, 6] → [3, 8, 2, _]

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Answer: Row1[1]=37, Row3[1]=11, Row2[2]=16, Row4[4]=4

SubType
number-pyramid
Difficulty
medium
Levels
  • [37]
  • [21,16]
  • [11,10,6]
  • [3,8,2,4]
Base
  • 3
  • 8
  • 2
  • 4
TopValue
37
HiddenCells
  • {"r":0,"c":0,"v":37}
  • {"r":2,"c":0,"v":11}
  • {"r":1,"c":1,"v":16}
  • {"r":3,"c":3,"v":4}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [42] → [18, 24] → [_, _, 15] → [5, _, 5, _]

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Answer: Row3[2]=9, Row4[2]=4, Row4[4]=10, Row3[1]=9

SubType
number-pyramid
Difficulty
medium
Levels
  • [42]
  • [18,24]
  • [9,9,15]
  • [5,4,5,10]
Base
  • 5
  • 4
  • 5
  • 10
TopValue
42
HiddenCells
  • {"r":2,"c":1,"v":9}
  • {"r":3,"c":1,"v":4}
  • {"r":3,"c":3,"v":10}
  • {"r":2,"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): [45] → [30, _] → [19, _, _] → [9, 10, _, 3]

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Answer: Row4[3]=1, Row2[2]=15, Row3[2]=11, Row3[3]=4

SubType
number-pyramid
Difficulty
medium
Levels
  • [45]
  • [30,15]
  • [19,11,4]
  • [9,10,1,3]
Base
  • 9
  • 10
  • 1
  • 3
TopValue
45
HiddenCells
  • {"r":3,"c":2,"v":1}
  • {"r":1,"c":1,"v":15}
  • {"r":2,"c":1,"v":11}
  • {"r":2,"c":2,"v":4}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [33] → [_, 12] → [_, _, 5] → [10, 4, _, 2]

Show answer

Answer: Row3[2]=7, Row3[1]=14, Row4[3]=3, Row2[1]=21

SubType
number-pyramid
Difficulty
medium
Levels
  • [33]
  • [21,12]
  • [14,7,5]
  • [10,4,3,2]
Base
  • 10
  • 4
  • 3
  • 2
TopValue
33
HiddenCells
  • {"r":2,"c":1,"v":7}
  • {"r":2,"c":0,"v":14}
  • {"r":3,"c":2,"v":3}
  • {"r":1,"c":0,"v":21}