medium Set 24 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 33] → [_, 16, _] → [9, 9, 7, 10]

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Answer: Row3[1]=18, Row3[3]=17, Row2[1]=34, Row1[1]=67

SubType
number-pyramid
Difficulty
medium
Levels
  • [67]
  • [34,33]
  • [18,16,17]
  • [9,9,7,10]
Base
  • 9
  • 9
  • 7
  • 10
TopValue
67
HiddenCells
  • {"r":2,"c":0,"v":18}
  • {"r":2,"c":2,"v":17}
  • {"r":1,"c":0,"v":34}
  • {"r":0,"c":0,"v":67}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [38] → [_, _] → [12, 8, 10] → [5, 7, _, _]

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Answer: Row4[3]=1, Row4[4]=9, Row2[1]=20, Row2[2]=18

SubType
number-pyramid
Difficulty
medium
Levels
  • [38]
  • [20,18]
  • [12,8,10]
  • [5,7,1,9]
Base
  • 5
  • 7
  • 1
  • 9
TopValue
38
HiddenCells
  • {"r":3,"c":2,"v":1}
  • {"r":3,"c":3,"v":9}
  • {"r":1,"c":0,"v":20}
  • {"r":1,"c":1,"v":18}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [49] → [_, _] → [8, 13, _] → [_, 5, 8, 7]

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Answer: Row4[1]=3, Row3[3]=15, Row2[1]=21, Row2[2]=28

SubType
number-pyramid
Difficulty
medium
Levels
  • [49]
  • [21,28]
  • [8,13,15]
  • [3,5,8,7]
Base
  • 3
  • 5
  • 8
  • 7
TopValue
49
HiddenCells
  • {"r":3,"c":0,"v":3}
  • {"r":2,"c":2,"v":15}
  • {"r":1,"c":0,"v":21}
  • {"r":1,"c":1,"v":28}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [22, _] → [10, 12, 8] → [2, _, _, 4]

Show answer

Answer: Row4[3]=4, Row2[2]=20, Row1[1]=42, Row4[2]=8

SubType
number-pyramid
Difficulty
medium
Levels
  • [42]
  • [22,20]
  • [10,12,8]
  • [2,8,4,4]
Base
  • 2
  • 8
  • 4
  • 4
TopValue
42
HiddenCells
  • {"r":3,"c":2,"v":4}
  • {"r":1,"c":1,"v":20}
  • {"r":0,"c":0,"v":42}
  • {"r":3,"c":1,"v":8}