expert Set 62 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [25] → [16, _] → [9, _, 2]

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Answer: Row3[2]=7, Row2[2]=9

SubType
number-pyramid
Difficulty
expert
Levels
  • [25]
  • [16,9]
  • [9,7,2]
Base
  • 9
  • 7
  • 2
TopValue
25
HiddenCells
  • {"r":2,"c":1,"v":7}
  • {"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): [_] → [9, 12] → [_, 3, 9]

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Answer: Row1[1]=21, Row3[1]=6

SubType
number-pyramid
Difficulty
expert
Levels
  • [21]
  • [9,12]
  • [6,3,9]
Base
  • 6
  • 3
  • 9
TopValue
21
HiddenCells
  • {"r":0,"c":0,"v":21}
  • {"r":2,"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): [_] → [8, _] → [5, 3, 4]

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Answer: Row2[2]=7, Row1[1]=15

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

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [20] → [8, 12] → [_, _, 8]

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

SubType
number-pyramid
Difficulty
expert
Levels
  • [20]
  • [8,12]
  • [4,4,8]
Base
  • 4
  • 4
  • 8
TopValue
20
HiddenCells
  • {"r":2,"c":1,"v":4}
  • {"r":2,"c":0,"v":4}