medium Set 11 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [15, _] → [7, _, 13] → [6, 1, 7, _]

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Answer: Row3[2]=8, Row2[2]=21, Row4[4]=6, Row1[1]=36

SubType
number-pyramid
Difficulty
medium
Levels
  • [36]
  • [15,21]
  • [7,8,13]
  • [6,1,7,6]
Base
  • 6
  • 1
  • 7
  • 6
TopValue
36
HiddenCells
  • {"r":2,"c":1,"v":8}
  • {"r":1,"c":1,"v":21}
  • {"r":3,"c":3,"v":6}
  • {"r":0,"c":0,"v":36}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [9, _] → [4, _, 7] → [_, 2, 3, 4]

Show answer

Answer: Row3[2]=5, Row1[1]=21, Row4[1]=2, Row2[2]=12

SubType
number-pyramid
Difficulty
medium
Levels
  • [21]
  • [9,12]
  • [4,5,7]
  • [2,2,3,4]
Base
  • 2
  • 2
  • 3
  • 4
TopValue
21
HiddenCells
  • {"r":2,"c":1,"v":5}
  • {"r":0,"c":0,"v":21}
  • {"r":3,"c":0,"v":2}
  • {"r":1,"c":1,"v":12}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 20] → [_, 7, 13] → [_, 3, 4, 9]

Show answer

Answer: Row2[1]=16, Row1[1]=36, Row3[1]=9, Row4[1]=6

SubType
number-pyramid
Difficulty
medium
Levels
  • [36]
  • [16,20]
  • [9,7,13]
  • [6,3,4,9]
Base
  • 6
  • 3
  • 4
  • 9
TopValue
36
HiddenCells
  • {"r":1,"c":0,"v":16}
  • {"r":0,"c":0,"v":36}
  • {"r":2,"c":0,"v":9}
  • {"r":3,"c":0,"v":6}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [42] → [_, _] → [7, 12, 11] → [_, 2, 10, _]

Show answer

Answer: Row2[2]=23, Row2[1]=19, Row4[1]=5, Row4[4]=1

SubType
number-pyramid
Difficulty
medium
Levels
  • [42]
  • [19,23]
  • [7,12,11]
  • [5,2,10,1]
Base
  • 5
  • 2
  • 10
  • 1
TopValue
42
HiddenCells
  • {"r":1,"c":1,"v":23}
  • {"r":1,"c":0,"v":19}
  • {"r":3,"c":0,"v":5}
  • {"r":3,"c":3,"v":1}