medium Set 12 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [21, 29] → [_, 14, 15] → [1, 6, _, _]

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Answer: Row1[1]=50, Row3[1]=7, Row4[3]=8, Row4[4]=7

SubType
number-pyramid
Difficulty
medium
Levels
  • [50]
  • [21,29]
  • [7,14,15]
  • [1,6,8,7]
Base
  • 1
  • 6
  • 8
  • 7
TopValue
50
HiddenCells
  • {"r":0,"c":0,"v":50}
  • {"r":2,"c":0,"v":7}
  • {"r":3,"c":2,"v":8}
  • {"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): [55] → [30, _] → [17, _, 12] → [_, 8, _, 7]

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Answer: Row2[2]=25, Row4[1]=9, Row3[2]=13, Row4[3]=5

SubType
number-pyramid
Difficulty
medium
Levels
  • [55]
  • [30,25]
  • [17,13,12]
  • [9,8,5,7]
Base
  • 9
  • 8
  • 5
  • 7
TopValue
55
HiddenCells
  • {"r":1,"c":1,"v":25}
  • {"r":3,"c":0,"v":9}
  • {"r":2,"c":1,"v":13}
  • {"r":3,"c":2,"v":5}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [55] → [_, 28] → [12, 15, _] → [3, _, _, 7]

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Answer: Row3[3]=13, Row2[1]=27, Row4[3]=6, Row4[2]=9

SubType
number-pyramid
Difficulty
medium
Levels
  • [55]
  • [27,28]
  • [12,15,13]
  • [3,9,6,7]
Base
  • 3
  • 9
  • 6
  • 7
TopValue
55
HiddenCells
  • {"r":2,"c":2,"v":13}
  • {"r":1,"c":0,"v":27}
  • {"r":3,"c":2,"v":6}
  • {"r":3,"c":1,"v":9}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [53] → [_, 31] → [_, 14, 17] → [3, 5, _, _]

Show answer

Answer: Row2[1]=22, Row3[1]=8, Row4[3]=9, Row4[4]=8

SubType
number-pyramid
Difficulty
medium
Levels
  • [53]
  • [22,31]
  • [8,14,17]
  • [3,5,9,8]
Base
  • 3
  • 5
  • 9
  • 8
TopValue
53
HiddenCells
  • {"r":1,"c":0,"v":22}
  • {"r":2,"c":0,"v":8}
  • {"r":3,"c":2,"v":9}
  • {"r":3,"c":3,"v":8}