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): [_] → [22, 25] → [_, 12, _] → [7, 3, _, 4]

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Answer: Row3[1]=10, Row4[3]=9, Row1[1]=47, Row3[3]=13

SubType
number-pyramid
Difficulty
medium
Levels
  • [47]
  • [22,25]
  • [10,12,13]
  • [7,3,9,4]
Base
  • 7
  • 3
  • 9
  • 4
TopValue
47
HiddenCells
  • {"r":2,"c":0,"v":10}
  • {"r":3,"c":2,"v":9}
  • {"r":0,"c":0,"v":47}
  • {"r":2,"c":2,"v":13}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [15, 21] → [7, _, 13] → [4, _, _, 8]

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Answer: Row1[1]=36, Row4[2]=3, Row4[3]=5, Row3[2]=8

SubType
number-pyramid
Difficulty
medium
Levels
  • [36]
  • [15,21]
  • [7,8,13]
  • [4,3,5,8]
Base
  • 4
  • 3
  • 5
  • 8
TopValue
36
HiddenCells
  • {"r":0,"c":0,"v":36}
  • {"r":3,"c":1,"v":3}
  • {"r":3,"c":2,"v":5}
  • {"r":2,"c":1,"v":8}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [11, 15] → [_, 6, 9] → [_, 1, 5, _]

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Answer: Row1[1]=26, Row4[4]=4, Row4[1]=4, Row3[1]=5

SubType
number-pyramid
Difficulty
medium
Levels
  • [26]
  • [11,15]
  • [5,6,9]
  • [4,1,5,4]
Base
  • 4
  • 1
  • 5
  • 4
TopValue
26
HiddenCells
  • {"r":0,"c":0,"v":26}
  • {"r":3,"c":3,"v":4}
  • {"r":3,"c":0,"v":4}
  • {"r":2,"c":0,"v":5}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [21, 17] → [_, _, 6] → [3, _, 4, 2]

Show answer

Answer: Row1[1]=38, Row3[1]=10, Row3[2]=11, Row4[2]=7

SubType
number-pyramid
Difficulty
medium
Levels
  • [38]
  • [21,17]
  • [10,11,6]
  • [3,7,4,2]
Base
  • 3
  • 7
  • 4
  • 2
TopValue
38
HiddenCells
  • {"r":0,"c":0,"v":38}
  • {"r":2,"c":0,"v":10}
  • {"r":2,"c":1,"v":11}
  • {"r":3,"c":1,"v":7}