medium Set 38 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [49] → [20, _] → [8, _, 17] → [6, _, 10, _]

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Answer: Row4[2]=2, Row2[2]=29, Row3[2]=12, Row4[4]=7

SubType
number-pyramid
Difficulty
medium
Levels
  • [49]
  • [20,29]
  • [8,12,17]
  • [6,2,10,7]
Base
  • 6
  • 2
  • 10
  • 7
TopValue
49
HiddenCells
  • {"r":3,"c":1,"v":2}
  • {"r":1,"c":1,"v":29}
  • {"r":2,"c":1,"v":12}
  • {"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): [53] → [26, 27] → [_, _, 14] → [_, 4, 9, _]

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Answer: Row3[2]=13, Row3[1]=13, Row4[1]=9, Row4[4]=5

SubType
number-pyramid
Difficulty
medium
Levels
  • [53]
  • [26,27]
  • [13,13,14]
  • [9,4,9,5]
Base
  • 9
  • 4
  • 9
  • 5
TopValue
53
HiddenCells
  • {"r":2,"c":1,"v":13}
  • {"r":2,"c":0,"v":13}
  • {"r":3,"c":0,"v":9}
  • {"r":3,"c":3,"v":5}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [40] → [19, _] → [_, 12, 9] → [1, 6, _, _]

Show answer

Answer: Row2[2]=21, Row4[3]=6, Row3[1]=7, Row4[4]=3

SubType
number-pyramid
Difficulty
medium
Levels
  • [40]
  • [19,21]
  • [7,12,9]
  • [1,6,6,3]
Base
  • 1
  • 6
  • 6
  • 3
TopValue
40
HiddenCells
  • {"r":1,"c":1,"v":21}
  • {"r":3,"c":2,"v":6}
  • {"r":2,"c":0,"v":7}
  • {"r":3,"c":3,"v":3}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [21] → [_, 11] → [_, 4, 7] → [4, _, 2, _]

Show answer

Answer: Row4[2]=2, Row4[4]=5, Row3[1]=6, Row2[1]=10

SubType
number-pyramid
Difficulty
medium
Levels
  • [21]
  • [10,11]
  • [6,4,7]
  • [4,2,2,5]
Base
  • 4
  • 2
  • 2
  • 5
TopValue
21
HiddenCells
  • {"r":3,"c":1,"v":2}
  • {"r":3,"c":3,"v":5}
  • {"r":2,"c":0,"v":6}
  • {"r":1,"c":0,"v":10}