medium Set 15 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [35, 34] → [15, 20, 14] → [_, _, _, 4]

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Answer: Row1[1]=69, Row4[3]=10, Row4[2]=10, Row4[1]=5

SubType
number-pyramid
Difficulty
medium
Levels
  • [69]
  • [35,34]
  • [15,20,14]
  • [5,10,10,4]
Base
  • 5
  • 10
  • 10
  • 4
TopValue
69
HiddenCells
  • {"r":0,"c":0,"v":69}
  • {"r":3,"c":2,"v":10}
  • {"r":3,"c":1,"v":10}
  • {"r":3,"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): [_] → [19, 34] → [5, _, _] → [1, 4, 10, _]

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Answer: Row1[1]=53, Row3[2]=14, Row4[4]=10, Row3[3]=20

SubType
number-pyramid
Difficulty
medium
Levels
  • [53]
  • [19,34]
  • [5,14,20]
  • [1,4,10,10]
Base
  • 1
  • 4
  • 10
  • 10
TopValue
53
HiddenCells
  • {"r":0,"c":0,"v":53}
  • {"r":2,"c":1,"v":14}
  • {"r":3,"c":3,"v":10}
  • {"r":2,"c":2,"v":20}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [34] → [20, _] → [_, 10, 4] → [_, 9, 1, _]

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Answer: Row3[1]=10, Row4[1]=1, Row4[4]=3, Row2[2]=14

SubType
number-pyramid
Difficulty
medium
Levels
  • [34]
  • [20,14]
  • [10,10,4]
  • [1,9,1,3]
Base
  • 1
  • 9
  • 1
  • 3
TopValue
34
HiddenCells
  • {"r":2,"c":0,"v":10}
  • {"r":3,"c":0,"v":1}
  • {"r":3,"c":3,"v":3}
  • {"r":1,"c":1,"v":14}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [16, _] → [_, 6, 6] → [9, 1, _, 1]

Show answer

Answer: Row2[2]=12, Row3[1]=10, Row4[3]=5, Row1[1]=28

SubType
number-pyramid
Difficulty
medium
Levels
  • [28]
  • [16,12]
  • [10,6,6]
  • [9,1,5,1]
Base
  • 9
  • 1
  • 5
  • 1
TopValue
28
HiddenCells
  • {"r":1,"c":1,"v":12}
  • {"r":2,"c":0,"v":10}
  • {"r":3,"c":2,"v":5}
  • {"r":0,"c":0,"v":28}