expert Set 60 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [10] → [2, _] → [1, _, 7]

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

SubType
number-pyramid
Difficulty
expert
Levels
  • [10]
  • [2,8]
  • [1,1,7]
Base
  • 1
  • 1
  • 7
TopValue
10
HiddenCells
  • {"r":1,"c":1,"v":8}
  • {"r":2,"c":1,"v":1}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [19, _] → [9, 10, 2]

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Answer: Row2[2]=12, Row1[1]=31

SubType
number-pyramid
Difficulty
expert
Levels
  • [31]
  • [19,12]
  • [9,10,2]
Base
  • 9
  • 10
  • 2
TopValue
31
HiddenCells
  • {"r":1,"c":1,"v":12}
  • {"r":0,"c":0,"v":31}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [27] → [_, 15] → [_, 8, 7]

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Answer: Row3[1]=4, Row2[1]=12

SubType
number-pyramid
Difficulty
expert
Levels
  • [27]
  • [12,15]
  • [4,8,7]
Base
  • 4
  • 8
  • 7
TopValue
27
HiddenCells
  • {"r":2,"c":0,"v":4}
  • {"r":1,"c":0,"v":12}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [28] → [_, 15] → [4, _, 6]

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Answer: Row2[1]=13, Row3[2]=9

SubType
number-pyramid
Difficulty
expert
Levels
  • [28]
  • [13,15]
  • [4,9,6]
Base
  • 4
  • 9
  • 6
TopValue
28
HiddenCells
  • {"r":1,"c":0,"v":13}
  • {"r":2,"c":1,"v":9}