medium Set 56 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [18] → [7, _] → [_, _, 9] → [_, 1, 1, 8]

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Answer: Row2[2]=11, Row3[1]=5, Row3[2]=2, Row4[1]=4

SubType
number-pyramid
Difficulty
medium
Levels
  • [18]
  • [7,11]
  • [5,2,9]
  • [4,1,1,8]
Base
  • 4
  • 1
  • 1
  • 8
TopValue
18
HiddenCells
  • {"r":1,"c":1,"v":11}
  • {"r":2,"c":0,"v":5}
  • {"r":2,"c":1,"v":2}
  • {"r":3,"c":0,"v":4}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [16] → [_, _] → [8, 2, 4] → [7, _, 1, _]

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Answer: Row4[4]=3, Row2[2]=6, Row4[2]=1, Row2[1]=10

SubType
number-pyramid
Difficulty
medium
Levels
  • [16]
  • [10,6]
  • [8,2,4]
  • [7,1,1,3]
Base
  • 7
  • 1
  • 1
  • 3
TopValue
16
HiddenCells
  • {"r":3,"c":3,"v":3}
  • {"r":1,"c":1,"v":6}
  • {"r":3,"c":1,"v":1}
  • {"r":1,"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): [52] → [_, _] → [8, 13, 18] → [4, _, 9, _]

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Answer: Row4[4]=9, Row2[1]=21, Row4[2]=4, Row2[2]=31

SubType
number-pyramid
Difficulty
medium
Levels
  • [52]
  • [21,31]
  • [8,13,18]
  • [4,4,9,9]
Base
  • 4
  • 4
  • 9
  • 9
TopValue
52
HiddenCells
  • {"r":3,"c":3,"v":9}
  • {"r":1,"c":0,"v":21}
  • {"r":3,"c":1,"v":4}
  • {"r":1,"c":1,"v":31}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [36] → [_, 18] → [9, _, 9] → [8, _, 8, _]

Show answer

Answer: Row4[4]=1, Row4[2]=1, Row3[2]=9, Row2[1]=18

SubType
number-pyramid
Difficulty
medium
Levels
  • [36]
  • [18,18]
  • [9,9,9]
  • [8,1,8,1]
Base
  • 8
  • 1
  • 8
  • 1
TopValue
36
HiddenCells
  • {"r":3,"c":3,"v":1}
  • {"r":3,"c":1,"v":1}
  • {"r":2,"c":1,"v":9}
  • {"r":1,"c":0,"v":18}