medium Set 28 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [30] → [_, 20] → [2, 8, 12] → [_, 1, _, _]

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Answer: Row4[4]=5, Row4[1]=1, Row2[1]=10, Row4[3]=7

SubType
number-pyramid
Difficulty
medium
Levels
  • [30]
  • [10,20]
  • [2,8,12]
  • [1,1,7,5]
Base
  • 1
  • 1
  • 7
  • 5
TopValue
30
HiddenCells
  • {"r":3,"c":3,"v":5}
  • {"r":3,"c":0,"v":1}
  • {"r":1,"c":0,"v":10}
  • {"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): [23] → [10, _] → [5, 5, _] → [_, 3, 2, _]

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Answer: Row3[3]=8, Row4[1]=2, Row2[2]=13, Row4[4]=6

SubType
number-pyramid
Difficulty
medium
Levels
  • [23]
  • [10,13]
  • [5,5,8]
  • [2,3,2,6]
Base
  • 2
  • 3
  • 2
  • 6
TopValue
23
HiddenCells
  • {"r":2,"c":2,"v":8}
  • {"r":3,"c":0,"v":2}
  • {"r":1,"c":1,"v":13}
  • {"r":3,"c":3,"v":6}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [44] → [23, _] → [11, _, 9] → [6, _, _, 2]

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Answer: Row2[2]=21, Row4[2]=5, Row4[3]=7, Row3[2]=12

SubType
number-pyramid
Difficulty
medium
Levels
  • [44]
  • [23,21]
  • [11,12,9]
  • [6,5,7,2]
Base
  • 6
  • 5
  • 7
  • 2
TopValue
44
HiddenCells
  • {"r":1,"c":1,"v":21}
  • {"r":3,"c":1,"v":5}
  • {"r":3,"c":2,"v":7}
  • {"r":2,"c":1,"v":12}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [61] → [_, _] → [10, _, _] → [1, 9, 9, 6]

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Answer: Row3[3]=15, Row3[2]=18, Row2[1]=28, Row2[2]=33

SubType
number-pyramid
Difficulty
medium
Levels
  • [61]
  • [28,33]
  • [10,18,15]
  • [1,9,9,6]
Base
  • 1
  • 9
  • 9
  • 6
TopValue
61
HiddenCells
  • {"r":2,"c":2,"v":15}
  • {"r":2,"c":1,"v":18}
  • {"r":1,"c":0,"v":28}
  • {"r":1,"c":1,"v":33}