expert Set 80 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [20] → [7, _] → [4, _, 10]

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

SubType
number-pyramid
Difficulty
expert
Levels
  • [20]
  • [7,13]
  • [4,3,10]
Base
  • 4
  • 3
  • 10
TopValue
20
HiddenCells
  • {"r":1,"c":1,"v":13}
  • {"r":2,"c":1,"v":3}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [30] → [14, 16] → [_, _, 9]

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

SubType
number-pyramid
Difficulty
expert
Levels
  • [30]
  • [14,16]
  • [7,7,9]
Base
  • 7
  • 7
  • 9
TopValue
30
HiddenCells
  • {"r":2,"c":0,"v":7}
  • {"r":2,"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): [_] → [6, 10] → [_, 1, 9]

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Answer: Row1[1]=16, Row3[1]=5

SubType
number-pyramid
Difficulty
expert
Levels
  • [16]
  • [6,10]
  • [5,1,9]
Base
  • 5
  • 1
  • 9
TopValue
16
HiddenCells
  • {"r":0,"c":0,"v":16}
  • {"r":2,"c":0,"v":5}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [5, _] → [4, 1, 9]

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Answer: Row1[1]=15, Row2[2]=10

SubType
number-pyramid
Difficulty
expert
Levels
  • [15]
  • [5,10]
  • [4,1,9]
Base
  • 4
  • 1
  • 9
TopValue
15
HiddenCells
  • {"r":0,"c":0,"v":15}
  • {"r":1,"c":1,"v":10}