medium Set 35 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [13, 14, _] → [8, 5, 9, 5]

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Answer: Row2[2]=28, Row3[3]=14, Row1[1]=55, Row2[1]=27

SubType
number-pyramid
Difficulty
medium
Levels
  • [55]
  • [27,28]
  • [13,14,14]
  • [8,5,9,5]
Base
  • 8
  • 5
  • 9
  • 5
TopValue
55
HiddenCells
  • {"r":1,"c":1,"v":28}
  • {"r":2,"c":2,"v":14}
  • {"r":0,"c":0,"v":55}
  • {"r":1,"c":0,"v":27}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [35] → [_, 23] → [2, _, 13] → [_, 1, _, 4]

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Answer: Row4[1]=1, Row4[3]=9, Row3[2]=10, Row2[1]=12

SubType
number-pyramid
Difficulty
medium
Levels
  • [35]
  • [12,23]
  • [2,10,13]
  • [1,1,9,4]
Base
  • 1
  • 1
  • 9
  • 4
TopValue
35
HiddenCells
  • {"r":3,"c":0,"v":1}
  • {"r":3,"c":2,"v":9}
  • {"r":2,"c":1,"v":10}
  • {"r":1,"c":0,"v":12}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [26] → [18, _] → [_, 5, 3] → [_, _, 2, 1]

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Answer: Row2[2]=8, Row4[2]=3, Row3[1]=13, Row4[1]=10

SubType
number-pyramid
Difficulty
medium
Levels
  • [26]
  • [18,8]
  • [13,5,3]
  • [10,3,2,1]
Base
  • 10
  • 3
  • 2
  • 1
TopValue
26
HiddenCells
  • {"r":1,"c":1,"v":8}
  • {"r":3,"c":1,"v":3}
  • {"r":2,"c":0,"v":13}
  • {"r":3,"c":0,"v":10}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 33] → [9, 18, 15] → [1, 8, _, _]

Show answer

Answer: Row4[3]=10, Row4[4]=5, Row2[1]=27, Row1[1]=60

SubType
number-pyramid
Difficulty
medium
Levels
  • [60]
  • [27,33]
  • [9,18,15]
  • [1,8,10,5]
Base
  • 1
  • 8
  • 10
  • 5
TopValue
60
HiddenCells
  • {"r":3,"c":2,"v":10}
  • {"r":3,"c":3,"v":5}
  • {"r":1,"c":0,"v":27}
  • {"r":0,"c":0,"v":60}