expert Set 25 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [35] → [17, _] → [8, _, 9]

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Answer: Row3[2]=9, Row2[2]=18

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

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [12, 9] → [_, 4, 5]

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Answer: Row1[1]=21, Row3[1]=8

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

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 10] → [9, 4, 6]

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Answer: Row2[1]=13, Row1[1]=23

SubType
number-pyramid
Difficulty
expert
Levels
  • [23]
  • [13,10]
  • [9,4,6]
Base
  • 9
  • 4
  • 6
TopValue
23
HiddenCells
  • {"r":1,"c":0,"v":13}
  • {"r":0,"c":0,"v":23}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [37] → [_, 20] → [_, 10, 10]

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Answer: Row3[1]=7, Row2[1]=17

SubType
number-pyramid
Difficulty
expert
Levels
  • [37]
  • [17,20]
  • [7,10,10]
Base
  • 7
  • 10
  • 10
TopValue
37
HiddenCells
  • {"r":2,"c":0,"v":7}
  • {"r":1,"c":0,"v":17}