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): [17] → [_, 11] → [4, _, 9]

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Answer: Row2[1]=6, Row3[2]=2

SubType
number-pyramid
Difficulty
expert
Levels
  • [17]
  • [6,11]
  • [4,2,9]
Base
  • 4
  • 2
  • 9
TopValue
17
HiddenCells
  • {"r":1,"c":0,"v":6}
  • {"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): [36] → [_, 18] → [_, 9, 9]

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Answer: Row2[1]=18, Row3[1]=9

SubType
number-pyramid
Difficulty
expert
Levels
  • [36]
  • [18,18]
  • [9,9,9]
Base
  • 9
  • 9
  • 9
TopValue
36
HiddenCells
  • {"r":1,"c":0,"v":18}
  • {"r":2,"c":0,"v":9}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [6, 12] → [2, 4, _]

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Answer: Row3[3]=8, Row1[1]=18

SubType
number-pyramid
Difficulty
expert
Levels
  • [18]
  • [6,12]
  • [2,4,8]
Base
  • 2
  • 4
  • 8
TopValue
18
HiddenCells
  • {"r":2,"c":2,"v":8}
  • {"r":0,"c":0,"v":18}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 13] → [1, 6, 7]

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Answer: Row2[1]=7, Row1[1]=20

SubType
number-pyramid
Difficulty
expert
Levels
  • [20]
  • [7,13]
  • [1,6,7]
Base
  • 1
  • 6
  • 7
TopValue
20
HiddenCells
  • {"r":1,"c":0,"v":7}
  • {"r":0,"c":0,"v":20}