medium Set 15 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [40] → [_, _] → [12, _, _] → [2, 10, 2, 2]

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Answer: Row2[2]=16, Row3[2]=12, Row2[1]=24, Row3[3]=4

SubType
number-pyramid
Difficulty
medium
Levels
  • [40]
  • [24,16]
  • [12,12,4]
  • [2,10,2,2]
Base
  • 2
  • 10
  • 2
  • 2
TopValue
40
HiddenCells
  • {"r":1,"c":1,"v":16}
  • {"r":2,"c":1,"v":12}
  • {"r":1,"c":0,"v":24}
  • {"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): [_] → [19, 19] → [11, 8, 11] → [7, _, _, _]

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Answer: Row4[4]=7, Row4[3]=4, Row4[2]=4, Row1[1]=38

SubType
number-pyramid
Difficulty
medium
Levels
  • [38]
  • [19,19]
  • [11,8,11]
  • [7,4,4,7]
Base
  • 7
  • 4
  • 4
  • 7
TopValue
38
HiddenCells
  • {"r":3,"c":3,"v":7}
  • {"r":3,"c":2,"v":4}
  • {"r":3,"c":1,"v":4}
  • {"r":0,"c":0,"v":38}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 30] → [_, 18, _] → [3, 10, 8, 4]

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Answer: Row2[1]=31, Row3[1]=13, Row3[3]=12, Row1[1]=61

SubType
number-pyramid
Difficulty
medium
Levels
  • [61]
  • [31,30]
  • [13,18,12]
  • [3,10,8,4]
Base
  • 3
  • 10
  • 8
  • 4
TopValue
61
HiddenCells
  • {"r":1,"c":0,"v":31}
  • {"r":2,"c":0,"v":13}
  • {"r":2,"c":2,"v":12}
  • {"r":0,"c":0,"v":61}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [31] → [17, 14] → [9, _, 6] → [_, _, 1, _]

Show answer

Answer: Row3[2]=8, Row4[1]=2, Row4[2]=7, Row4[4]=5

SubType
number-pyramid
Difficulty
medium
Levels
  • [31]
  • [17,14]
  • [9,8,6]
  • [2,7,1,5]
Base
  • 2
  • 7
  • 1
  • 5
TopValue
31
HiddenCells
  • {"r":2,"c":1,"v":8}
  • {"r":3,"c":0,"v":2}
  • {"r":3,"c":1,"v":7}
  • {"r":3,"c":3,"v":5}