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): [15] → [8, _] → [_, 3, 4]

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Answer: Row3[1]=5, Row2[2]=7

SubType
number-pyramid
Difficulty
expert
Levels
  • [15]
  • [8,7]
  • [5,3,4]
Base
  • 5
  • 3
  • 4
TopValue
15
HiddenCells
  • {"r":2,"c":0,"v":5}
  • {"r":1,"c":1,"v":7}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [2, 7] → [1, _, 6]

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Answer: Row1[1]=9, Row3[2]=1

SubType
number-pyramid
Difficulty
expert
Levels
  • [9]
  • [2,7]
  • [1,1,6]
Base
  • 1
  • 1
  • 6
TopValue
9
HiddenCells
  • {"r":0,"c":0,"v":9}
  • {"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, 13] → [3, 5, _]

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Answer: Row3[3]=8, Row1[1]=21

SubType
number-pyramid
Difficulty
expert
Levels
  • [21]
  • [8,13]
  • [3,5,8]
Base
  • 3
  • 5
  • 8
TopValue
21
HiddenCells
  • {"r":2,"c":2,"v":8}
  • {"r":0,"c":0,"v":21}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [12, 7] → [6, 6, _]

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Answer: Row3[3]=1, Row1[1]=19

SubType
number-pyramid
Difficulty
expert
Levels
  • [19]
  • [12,7]
  • [6,6,1]
Base
  • 6
  • 6
  • 1
TopValue
19
HiddenCells
  • {"r":2,"c":2,"v":1}
  • {"r":0,"c":0,"v":19}