medium Set 100 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [27] → [_, 10] → [13, _, 6] → [_, 3, 1, _]

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Answer: Row4[4]=5, Row4[1]=10, Row2[1]=17, Row3[2]=4

SubType
number-pyramid
Difficulty
medium
Levels
  • [27]
  • [17,10]
  • [13,4,6]
  • [10,3,1,5]
Base
  • 10
  • 3
  • 1
  • 5
TopValue
27
HiddenCells
  • {"r":3,"c":3,"v":5}
  • {"r":3,"c":0,"v":10}
  • {"r":1,"c":0,"v":17}
  • {"r":2,"c":1,"v":4}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [12, 10, 15] → [7, 5, _, 10]

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Answer: Row2[1]=22, Row4[3]=5, Row1[1]=47, Row2[2]=25

SubType
number-pyramid
Difficulty
medium
Levels
  • [47]
  • [22,25]
  • [12,10,15]
  • [7,5,5,10]
Base
  • 7
  • 5
  • 5
  • 10
TopValue
47
HiddenCells
  • {"r":1,"c":0,"v":22}
  • {"r":3,"c":2,"v":5}
  • {"r":0,"c":0,"v":47}
  • {"r":1,"c":1,"v":25}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [38] → [19, _] → [9, 10, _] → [6, _, _, 2]

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Answer: Row2[2]=19, Row3[3]=9, Row4[2]=3, Row4[3]=7

SubType
number-pyramid
Difficulty
medium
Levels
  • [38]
  • [19,19]
  • [9,10,9]
  • [6,3,7,2]
Base
  • 6
  • 3
  • 7
  • 2
TopValue
38
HiddenCells
  • {"r":1,"c":1,"v":19}
  • {"r":2,"c":2,"v":9}
  • {"r":3,"c":1,"v":3}
  • {"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): [32] → [16, _] → [_, _, 10] → [_, 2, 4, 6]

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Answer: Row2[2]=16, Row3[1]=10, Row3[2]=6, Row4[1]=8

SubType
number-pyramid
Difficulty
medium
Levels
  • [32]
  • [16,16]
  • [10,6,10]
  • [8,2,4,6]
Base
  • 8
  • 2
  • 4
  • 6
TopValue
32
HiddenCells
  • {"r":1,"c":1,"v":16}
  • {"r":2,"c":0,"v":10}
  • {"r":2,"c":1,"v":6}
  • {"r":3,"c":0,"v":8}