medium Set 11 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [42] → [19, _] → [9, _, 13] → [_, 1, 9, _]

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Answer: Row2[2]=23, Row4[4]=4, Row3[2]=10, Row4[1]=8

SubType
number-pyramid
Difficulty
medium
Levels
  • [42]
  • [19,23]
  • [9,10,13]
  • [8,1,9,4]
Base
  • 8
  • 1
  • 9
  • 4
TopValue
42
HiddenCells
  • {"r":1,"c":1,"v":23}
  • {"r":3,"c":3,"v":4}
  • {"r":2,"c":1,"v":10}
  • {"r":3,"c":0,"v":8}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [21, _] → [_, 9, _] → [6, 6, 3, 2]

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Answer: Row3[1]=12, Row3[3]=5, Row2[2]=14, Row1[1]=35

SubType
number-pyramid
Difficulty
medium
Levels
  • [35]
  • [21,14]
  • [12,9,5]
  • [6,6,3,2]
Base
  • 6
  • 6
  • 3
  • 2
TopValue
35
HiddenCells
  • {"r":2,"c":0,"v":12}
  • {"r":2,"c":2,"v":5}
  • {"r":1,"c":1,"v":14}
  • {"r":0,"c":0,"v":35}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [15, 22] → [4, _, _] → [3, _, 10, 1]

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Answer: Row3[3]=11, Row1[1]=37, Row3[2]=11, Row4[2]=1

SubType
number-pyramid
Difficulty
medium
Levels
  • [37]
  • [15,22]
  • [4,11,11]
  • [3,1,10,1]
Base
  • 3
  • 1
  • 10
  • 1
TopValue
37
HiddenCells
  • {"r":2,"c":2,"v":11}
  • {"r":0,"c":0,"v":37}
  • {"r":2,"c":1,"v":11}
  • {"r":3,"c":1,"v":1}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [24, 25] → [_, 11, _] → [9, 4, _, 7]

Show answer

Answer: Row4[3]=7, Row3[1]=13, Row1[1]=49, Row3[3]=14

SubType
number-pyramid
Difficulty
medium
Levels
  • [49]
  • [24,25]
  • [13,11,14]
  • [9,4,7,7]
Base
  • 9
  • 4
  • 7
  • 7
TopValue
49
HiddenCells
  • {"r":3,"c":2,"v":7}
  • {"r":2,"c":0,"v":13}
  • {"r":0,"c":0,"v":49}
  • {"r":2,"c":2,"v":14}