expert Set 63 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [15] → [6, _] → [5, 1, _]

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Answer: Row3[3]=8, Row2[2]=9

SubType
number-pyramid
Difficulty
expert
Levels
  • [15]
  • [6,9]
  • [5,1,8]
Base
  • 5
  • 1
  • 8
TopValue
15
HiddenCells
  • {"r":2,"c":2,"v":8}
  • {"r":1,"c":1,"v":9}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [12, 8] → [9, 3, _]

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Answer: Row1[1]=20, Row3[3]=5

SubType
number-pyramid
Difficulty
expert
Levels
  • [20]
  • [12,8]
  • [9,3,5]
Base
  • 9
  • 3
  • 5
TopValue
20
HiddenCells
  • {"r":0,"c":0,"v":20}
  • {"r":2,"c":2,"v":5}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [30] → [19, 11] → [_, _, 1]

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Answer: Row3[2]=10, Row3[1]=9

SubType
number-pyramid
Difficulty
expert
Levels
  • [30]
  • [19,11]
  • [9,10,1]
Base
  • 9
  • 10
  • 1
TopValue
30
HiddenCells
  • {"r":2,"c":1,"v":10}
  • {"r":2,"c":0,"v":9}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [28] → [12, 16] → [3, _, _]

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Answer: Row3[3]=7, Row3[2]=9

SubType
number-pyramid
Difficulty
expert
Levels
  • [28]
  • [12,16]
  • [3,9,7]
Base
  • 3
  • 9
  • 7
TopValue
28
HiddenCells
  • {"r":2,"c":2,"v":7}
  • {"r":2,"c":1,"v":9}