expert Set 56 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [15] → [9, _] → [_, 5, 1]

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Answer: Row2[2]=6, Row3[1]=4

SubType
number-pyramid
Difficulty
expert
Levels
  • [15]
  • [9,6]
  • [4,5,1]
Base
  • 4
  • 5
  • 1
TopValue
15
HiddenCells
  • {"r":1,"c":1,"v":6}
  • {"r":2,"c":0,"v":4}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [27] → [15, 12] → [_, 9, _]

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Answer: Row3[1]=6, Row3[3]=3

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

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [18] → [_, 11] → [_, 1, 10]

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Answer: Row2[1]=7, Row3[1]=6

SubType
number-pyramid
Difficulty
expert
Levels
  • [18]
  • [7,11]
  • [6,1,10]
Base
  • 6
  • 1
  • 10
TopValue
18
HiddenCells
  • {"r":1,"c":0,"v":7}
  • {"r":2,"c":0,"v":6}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [7] → [5, 2] → [_, _, 1]

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

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