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): [46] → [_, _] → [_, 12, 15] → [5, 2, _, 5]

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Answer: Row3[1]=7, Row4[3]=10, Row2[2]=27, Row2[1]=19

SubType
number-pyramid
Difficulty
medium
Levels
  • [46]
  • [19,27]
  • [7,12,15]
  • [5,2,10,5]
Base
  • 5
  • 2
  • 10
  • 5
TopValue
46
HiddenCells
  • {"r":2,"c":0,"v":7}
  • {"r":3,"c":2,"v":10}
  • {"r":1,"c":1,"v":27}
  • {"r":1,"c":0,"v":19}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [25, 27] → [9, _, 11] → [3, _, _, 1]

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Answer: Row3[2]=16, Row1[1]=52, Row4[2]=6, Row4[3]=10

SubType
number-pyramid
Difficulty
medium
Levels
  • [52]
  • [25,27]
  • [9,16,11]
  • [3,6,10,1]
Base
  • 3
  • 6
  • 10
  • 1
TopValue
52
HiddenCells
  • {"r":2,"c":1,"v":16}
  • {"r":0,"c":0,"v":52}
  • {"r":3,"c":1,"v":6}
  • {"r":3,"c":2,"v":10}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [43] → [_, _] → [11, _, 8] → [_, 10, 2, 6]

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Answer: Row2[2]=20, Row2[1]=23, Row3[2]=12, Row4[1]=1

SubType
number-pyramid
Difficulty
medium
Levels
  • [43]
  • [23,20]
  • [11,12,8]
  • [1,10,2,6]
Base
  • 1
  • 10
  • 2
  • 6
TopValue
43
HiddenCells
  • {"r":1,"c":1,"v":20}
  • {"r":1,"c":0,"v":23}
  • {"r":2,"c":1,"v":12}
  • {"r":3,"c":0,"v":1}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [27] → [15, 12] → [10, _, _] → [_, 3, 2, _]

Show answer

Answer: Row4[4]=5, Row4[1]=7, Row3[3]=7, Row3[2]=5

SubType
number-pyramid
Difficulty
medium
Levels
  • [27]
  • [15,12]
  • [10,5,7]
  • [7,3,2,5]
Base
  • 7
  • 3
  • 2
  • 5
TopValue
27
HiddenCells
  • {"r":3,"c":3,"v":5}
  • {"r":3,"c":0,"v":7}
  • {"r":2,"c":2,"v":7}
  • {"r":2,"c":1,"v":5}