expert Set 15 Form Exercise

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

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Answer: Row3[3]=4, Row2[2]=9

SubType
number-pyramid
Difficulty
expert
Levels
  • [19]
  • [10,9]
  • [5,5,4]
Base
  • 5
  • 5
  • 4
TopValue
19
HiddenCells
  • {"r":2,"c":2,"v":4}
  • {"r":1,"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): [_] → [11, 8] → [9, _, 6]

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Answer: Row1[1]=19, Row3[2]=2

SubType
number-pyramid
Difficulty
expert
Levels
  • [19]
  • [11,8]
  • [9,2,6]
Base
  • 9
  • 2
  • 6
TopValue
19
HiddenCells
  • {"r":0,"c":0,"v":19}
  • {"r":2,"c":1,"v":2}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [38] → [_, 18] → [10, _, 8]

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Answer: Row2[1]=20, Row3[2]=10

SubType
number-pyramid
Difficulty
expert
Levels
  • [38]
  • [20,18]
  • [10,10,8]
Base
  • 10
  • 10
  • 8
TopValue
38
HiddenCells
  • {"r":1,"c":0,"v":20}
  • {"r":2,"c":1,"v":10}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [11, 13] → [7, 4, _]

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Answer: Row3[3]=9, Row1[1]=24

SubType
number-pyramid
Difficulty
expert
Levels
  • [24]
  • [11,13]
  • [7,4,9]
Base
  • 7
  • 4
  • 9
TopValue
24
HiddenCells
  • {"r":2,"c":2,"v":9}
  • {"r":0,"c":0,"v":24}