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] → [7, 8] → [3, _, _]

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

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

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 8] → [3, 3, 5]

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Answer: Row1[1]=14, Row2[1]=6

SubType
number-pyramid
Difficulty
expert
Levels
  • [14]
  • [6,8]
  • [3,3,5]
Base
  • 3
  • 3
  • 5
TopValue
14
HiddenCells
  • {"r":0,"c":0,"v":14}
  • {"r":1,"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): [30] → [16, _] → [_, 8, 6]

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Answer: Row3[1]=8, Row2[2]=14

SubType
number-pyramid
Difficulty
expert
Levels
  • [30]
  • [16,14]
  • [8,8,6]
Base
  • 8
  • 8
  • 6
TopValue
30
HiddenCells
  • {"r":2,"c":0,"v":8}
  • {"r":1,"c":1,"v":14}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [28] → [15, _] → [7, 8, _]

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Answer: Row2[2]=13, Row3[3]=5

SubType
number-pyramid
Difficulty
expert
Levels
  • [28]
  • [15,13]
  • [7,8,5]
Base
  • 7
  • 8
  • 5
TopValue
28
HiddenCells
  • {"r":1,"c":1,"v":13}
  • {"r":2,"c":2,"v":5}