medium Set 14 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [24, _] → [13, _, _] → [5, 8, 3, 1]

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Answer: Row2[2]=15, Row3[2]=11, Row1[1]=39, Row3[3]=4

SubType
number-pyramid
Difficulty
medium
Levels
  • [39]
  • [24,15]
  • [13,11,4]
  • [5,8,3,1]
Base
  • 5
  • 8
  • 3
  • 1
TopValue
39
HiddenCells
  • {"r":1,"c":1,"v":15}
  • {"r":2,"c":1,"v":11}
  • {"r":0,"c":0,"v":39}
  • {"r":2,"c":2,"v":4}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [20] → [11, 9] → [_, _, _] → [6, 2, 1, _]

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Answer: Row3[1]=8, Row3[3]=6, Row3[2]=3, Row4[4]=5

SubType
number-pyramid
Difficulty
medium
Levels
  • [20]
  • [11,9]
  • [8,3,6]
  • [6,2,1,5]
Base
  • 6
  • 2
  • 1
  • 5
TopValue
20
HiddenCells
  • {"r":2,"c":0,"v":8}
  • {"r":2,"c":2,"v":6}
  • {"r":2,"c":1,"v":3}
  • {"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): [_] → [_, _] → [8, 15, _] → [1, 7, 8, 8]

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Answer: Row1[1]=54, Row2[2]=31, Row3[3]=16, Row2[1]=23

SubType
number-pyramid
Difficulty
medium
Levels
  • [54]
  • [23,31]
  • [8,15,16]
  • [1,7,8,8]
Base
  • 1
  • 7
  • 8
  • 8
TopValue
54
HiddenCells
  • {"r":0,"c":0,"v":54}
  • {"r":1,"c":1,"v":31}
  • {"r":2,"c":2,"v":16}
  • {"r":1,"c":0,"v":23}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [22] → [10, _] → [4, 6, _] → [2, _, _, 2]

Show answer

Answer: Row4[2]=2, Row4[3]=4, Row3[3]=6, Row2[2]=12

SubType
number-pyramid
Difficulty
medium
Levels
  • [22]
  • [10,12]
  • [4,6,6]
  • [2,2,4,2]
Base
  • 2
  • 2
  • 4
  • 2
TopValue
22
HiddenCells
  • {"r":3,"c":1,"v":2}
  • {"r":3,"c":2,"v":4}
  • {"r":2,"c":2,"v":6}
  • {"r":1,"c":1,"v":12}