medium Set 97 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [61] → [_, 30] → [15, 16, 14] → [_, _, 7, _]

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Answer: Row4[1]=6, Row2[1]=31, Row4[2]=9, Row4[4]=7

SubType
number-pyramid
Difficulty
medium
Levels
  • [61]
  • [31,30]
  • [15,16,14]
  • [6,9,7,7]
Base
  • 6
  • 9
  • 7
  • 7
TopValue
61
HiddenCells
  • {"r":3,"c":0,"v":6}
  • {"r":1,"c":0,"v":31}
  • {"r":3,"c":1,"v":9}
  • {"r":3,"c":3,"v":7}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [18, _] → [8, _, 11] → [4, 4, 6, _]

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Answer: Row1[1]=39, Row4[4]=5, Row3[2]=10, Row2[2]=21

SubType
number-pyramid
Difficulty
medium
Levels
  • [39]
  • [18,21]
  • [8,10,11]
  • [4,4,6,5]
Base
  • 4
  • 4
  • 6
  • 5
TopValue
39
HiddenCells
  • {"r":0,"c":0,"v":39}
  • {"r":3,"c":3,"v":5}
  • {"r":2,"c":1,"v":10}
  • {"r":1,"c":1,"v":21}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [10, 16] → [_, 6, 10] → [_, _, 5, 5]

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Answer: Row3[1]=4, Row4[2]=1, Row4[1]=3, Row1[1]=26

SubType
number-pyramid
Difficulty
medium
Levels
  • [26]
  • [10,16]
  • [4,6,10]
  • [3,1,5,5]
Base
  • 3
  • 1
  • 5
  • 5
TopValue
26
HiddenCells
  • {"r":2,"c":0,"v":4}
  • {"r":3,"c":1,"v":1}
  • {"r":3,"c":0,"v":3}
  • {"r":0,"c":0,"v":26}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [11, _] → [_, 3, 6] → [6, 2, _, 5]

Show answer

Answer: Row3[1]=8, Row1[1]=20, Row4[3]=1, Row2[2]=9

SubType
number-pyramid
Difficulty
medium
Levels
  • [20]
  • [11,9]
  • [8,3,6]
  • [6,2,1,5]
Base
  • 6
  • 2
  • 1
  • 5
TopValue
20
HiddenCells
  • {"r":2,"c":0,"v":8}
  • {"r":0,"c":0,"v":20}
  • {"r":3,"c":2,"v":1}
  • {"r":1,"c":1,"v":9}