expert Set 75 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [20] → [11, _] → [6, 5, _]

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Answer: Row2[2]=9, Row3[3]=4

SubType
number-pyramid
Difficulty
expert
Levels
  • [20]
  • [11,9]
  • [6,5,4]
Base
  • 6
  • 5
  • 4
TopValue
20
HiddenCells
  • {"r":1,"c":1,"v":9}
  • {"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): [12] → [7, _] → [_, 3, 2]

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Answer: Row2[2]=5, Row3[1]=4

SubType
number-pyramid
Difficulty
expert
Levels
  • [12]
  • [7,5]
  • [4,3,2]
Base
  • 4
  • 3
  • 2
TopValue
12
HiddenCells
  • {"r":1,"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): [_] → [16, 13] → [7, 9, _]

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Answer: Row3[3]=4, Row1[1]=29

SubType
number-pyramid
Difficulty
expert
Levels
  • [29]
  • [16,13]
  • [7,9,4]
Base
  • 7
  • 9
  • 4
TopValue
29
HiddenCells
  • {"r":2,"c":2,"v":4}
  • {"r":0,"c":0,"v":29}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [11, 13] → [4, 7, _]

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Answer: Row3[3]=6, Row1[1]=24

SubType
number-pyramid
Difficulty
expert
Levels
  • [24]
  • [11,13]
  • [4,7,6]
Base
  • 4
  • 7
  • 6
TopValue
24
HiddenCells
  • {"r":2,"c":2,"v":6}
  • {"r":0,"c":0,"v":24}