medium Set 13 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [53] → [_, _] → [_, _, 19] → [5, 3, 10, 9]

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Answer: Row3[2]=13, Row2[2]=32, Row3[1]=8, Row2[1]=21

SubType
number-pyramid
Difficulty
medium
Levels
  • [53]
  • [21,32]
  • [8,13,19]
  • [5,3,10,9]
Base
  • 5
  • 3
  • 10
  • 9
TopValue
53
HiddenCells
  • {"r":2,"c":1,"v":13}
  • {"r":1,"c":1,"v":32}
  • {"r":2,"c":0,"v":8}
  • {"r":1,"c":0,"v":21}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [24, _] → [12, 12, _] → [4, 8, _, 3]

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Answer: Row3[3]=7, Row4[3]=4, Row2[2]=19, Row1[1]=43

SubType
number-pyramid
Difficulty
medium
Levels
  • [43]
  • [24,19]
  • [12,12,7]
  • [4,8,4,3]
Base
  • 4
  • 8
  • 4
  • 3
TopValue
43
HiddenCells
  • {"r":2,"c":2,"v":7}
  • {"r":3,"c":2,"v":4}
  • {"r":1,"c":1,"v":19}
  • {"r":0,"c":0,"v":43}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [50] → [_, _] → [_, _, 17] → [7, 2, 10, 7]

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Answer: Row2[2]=29, Row3[2]=12, Row3[1]=9, Row2[1]=21

SubType
number-pyramid
Difficulty
medium
Levels
  • [50]
  • [21,29]
  • [9,12,17]
  • [7,2,10,7]
Base
  • 7
  • 2
  • 10
  • 7
TopValue
50
HiddenCells
  • {"r":1,"c":1,"v":29}
  • {"r":2,"c":1,"v":12}
  • {"r":2,"c":0,"v":9}
  • {"r":1,"c":0,"v":21}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [49] → [27, 22] → [15, _, _] → [10, _, 7, _]

Show answer

Answer: Row3[3]=10, Row3[2]=12, Row4[4]=3, Row4[2]=5

SubType
number-pyramid
Difficulty
medium
Levels
  • [49]
  • [27,22]
  • [15,12,10]
  • [10,5,7,3]
Base
  • 10
  • 5
  • 7
  • 3
TopValue
49
HiddenCells
  • {"r":2,"c":2,"v":10}
  • {"r":2,"c":1,"v":12}
  • {"r":3,"c":3,"v":3}
  • {"r":3,"c":1,"v":5}