expert Set 54 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [30] → [13, 17] → [5, _, _]

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Answer: Row3[2]=8, Row3[3]=9

SubType
number-pyramid
Difficulty
expert
Levels
  • [30]
  • [13,17]
  • [5,8,9]
Base
  • 5
  • 8
  • 9
TopValue
30
HiddenCells
  • {"r":2,"c":1,"v":8}
  • {"r":2,"c":2,"v":9}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [12] → [7, 5] → [_, 4, _]

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Answer: Row3[3]=1, Row3[1]=3

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

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [16, 15] → [8, 8, _]

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Answer: Row1[1]=31, Row3[3]=7

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

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [22] → [9, _] → [_, 5, 8]

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Answer: Row2[2]=13, Row3[1]=4

SubType
number-pyramid
Difficulty
expert
Levels
  • [22]
  • [9,13]
  • [4,5,8]
Base
  • 4
  • 5
  • 8
TopValue
22
HiddenCells
  • {"r":1,"c":1,"v":13}
  • {"r":2,"c":0,"v":4}