expert Set 91 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [7] → [3, _] → [1, _, 2]

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

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

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

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Answer: Row3[2]=5, Row3[1]=4

SubType
number-pyramid
Difficulty
expert
Levels
  • [20]
  • [9,11]
  • [4,5,6]
Base
  • 4
  • 5
  • 6
TopValue
20
HiddenCells
  • {"r":2,"c":1,"v":5}
  • {"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): [11] → [9, 2] → [_, _, 1]

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Answer: Row3[1]=8, Row3[2]=1

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

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 8] → [7, 1, 7]

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Answer: Row2[1]=8, Row1[1]=16

SubType
number-pyramid
Difficulty
expert
Levels
  • [16]
  • [8,8]
  • [7,1,7]
Base
  • 7
  • 1
  • 7
TopValue
16
HiddenCells
  • {"r":1,"c":0,"v":8}
  • {"r":0,"c":0,"v":16}