medium Set 20 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [56] → [_, 29] → [_, 15, _] → [_, 10, 5, 9]

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Answer: Row2[1]=27, Row3[1]=12, Row3[3]=14, Row4[1]=2

SubType
number-pyramid
Difficulty
medium
Levels
  • [56]
  • [27,29]
  • [12,15,14]
  • [2,10,5,9]
Base
  • 2
  • 10
  • 5
  • 9
TopValue
56
HiddenCells
  • {"r":1,"c":0,"v":27}
  • {"r":2,"c":0,"v":12}
  • {"r":2,"c":2,"v":14}
  • {"r":3,"c":0,"v":2}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 20] → [10, 11, 9] → [_, _, 3, 6]

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Answer: Row4[2]=8, Row1[1]=41, Row2[1]=21, Row4[1]=2

SubType
number-pyramid
Difficulty
medium
Levels
  • [41]
  • [21,20]
  • [10,11,9]
  • [2,8,3,6]
Base
  • 2
  • 8
  • 3
  • 6
TopValue
41
HiddenCells
  • {"r":3,"c":1,"v":8}
  • {"r":0,"c":0,"v":41}
  • {"r":1,"c":0,"v":21}
  • {"r":3,"c":0,"v":2}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [15, 15, 11] → [9, 6, _, 2]

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Answer: Row4[3]=9, Row2[1]=30, Row1[1]=56, Row2[2]=26

SubType
number-pyramid
Difficulty
medium
Levels
  • [56]
  • [30,26]
  • [15,15,11]
  • [9,6,9,2]
Base
  • 9
  • 6
  • 9
  • 2
TopValue
56
HiddenCells
  • {"r":3,"c":2,"v":9}
  • {"r":1,"c":0,"v":30}
  • {"r":0,"c":0,"v":56}
  • {"r":1,"c":1,"v":26}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [_, 13, 13] → [2, 10, 3, 10]

Show answer

Answer: Row2[2]=26, Row3[1]=12, Row2[1]=25, Row1[1]=51

SubType
number-pyramid
Difficulty
medium
Levels
  • [51]
  • [25,26]
  • [12,13,13]
  • [2,10,3,10]
Base
  • 2
  • 10
  • 3
  • 10
TopValue
51
HiddenCells
  • {"r":1,"c":1,"v":26}
  • {"r":2,"c":0,"v":12}
  • {"r":1,"c":0,"v":25}
  • {"r":0,"c":0,"v":51}