medium Set 18 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 20] → [10, 14, _] → [1, 9, 5, _]

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Answer: Row4[4]=1, Row3[3]=6, Row1[1]=44, Row2[1]=24

SubType
number-pyramid
Difficulty
medium
Levels
  • [44]
  • [24,20]
  • [10,14,6]
  • [1,9,5,1]
Base
  • 1
  • 9
  • 5
  • 1
TopValue
44
HiddenCells
  • {"r":3,"c":3,"v":1}
  • {"r":2,"c":2,"v":6}
  • {"r":0,"c":0,"v":44}
  • {"r":1,"c":0,"v":24}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [8, 15] → [_, _, 11] → [1, 3, _, 10]

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Answer: Row1[1]=23, Row3[2]=4, Row3[1]=4, Row4[3]=1

SubType
number-pyramid
Difficulty
medium
Levels
  • [23]
  • [8,15]
  • [4,4,11]
  • [1,3,1,10]
Base
  • 1
  • 3
  • 1
  • 10
TopValue
23
HiddenCells
  • {"r":0,"c":0,"v":23}
  • {"r":2,"c":1,"v":4}
  • {"r":2,"c":0,"v":4}
  • {"r":3,"c":2,"v":1}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [52] → [30, _] → [17, 13, _] → [10, _, _, 3]

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Answer: Row4[3]=6, Row2[2]=22, Row3[3]=9, Row4[2]=7

SubType
number-pyramid
Difficulty
medium
Levels
  • [52]
  • [30,22]
  • [17,13,9]
  • [10,7,6,3]
Base
  • 10
  • 7
  • 6
  • 3
TopValue
52
HiddenCells
  • {"r":3,"c":2,"v":6}
  • {"r":1,"c":1,"v":22}
  • {"r":2,"c":2,"v":9}
  • {"r":3,"c":1,"v":7}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [63] → [_, 30] → [14, _, 11] → [_, 9, _, 1]

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Answer: Row2[1]=33, Row4[3]=10, Row3[2]=19, Row4[1]=5

SubType
number-pyramid
Difficulty
medium
Levels
  • [63]
  • [33,30]
  • [14,19,11]
  • [5,9,10,1]
Base
  • 5
  • 9
  • 10
  • 1
TopValue
63
HiddenCells
  • {"r":1,"c":0,"v":33}
  • {"r":3,"c":2,"v":10}
  • {"r":2,"c":1,"v":19}
  • {"r":3,"c":0,"v":5}