expert Set 90 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [35] → [18, _] → [10, 8, _]

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Answer: Row2[2]=17, Row3[3]=9

SubType
number-pyramid
Difficulty
expert
Levels
  • [35]
  • [18,17]
  • [10,8,9]
Base
  • 10
  • 8
  • 9
TopValue
35
HiddenCells
  • {"r":1,"c":1,"v":17}
  • {"r":2,"c":2,"v":9}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [6, 7] → [5, _, 6]

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Answer: Row1[1]=13, Row3[2]=1

SubType
number-pyramid
Difficulty
expert
Levels
  • [13]
  • [6,7]
  • [5,1,6]
Base
  • 5
  • 1
  • 6
TopValue
13
HiddenCells
  • {"r":0,"c":0,"v":13}
  • {"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): [27] → [14, 13] → [8, _, _]

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Answer: Row3[2]=6, Row3[3]=7

SubType
number-pyramid
Difficulty
expert
Levels
  • [27]
  • [14,13]
  • [8,6,7]
Base
  • 8
  • 6
  • 7
TopValue
27
HiddenCells
  • {"r":2,"c":1,"v":6}
  • {"r":2,"c":2,"v":7}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [27] → [_, 14] → [4, 9, _]

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Answer: Row3[3]=5, Row2[1]=13

SubType
number-pyramid
Difficulty
expert
Levels
  • [27]
  • [13,14]
  • [4,9,5]
Base
  • 4
  • 9
  • 5
TopValue
27
HiddenCells
  • {"r":2,"c":2,"v":5}
  • {"r":1,"c":0,"v":13}