easy Set 15 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] → [_, 10, 7]

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Answer: Row2[1]=18, Row3[1]=8

SubType
number-pyramid
Difficulty
easy
Levels
  • [35]
  • [18,17]
  • [8,10,7]
Base
  • 8
  • 10
  • 7
TopValue
35
HiddenCells
  • {"r":1,"c":0,"v":18}
  • {"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): [20] → [11, 9] → [5, _, _]

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

SubType
number-pyramid
Difficulty
easy
Levels
  • [20]
  • [11,9]
  • [5,6,3]
Base
  • 5
  • 6
  • 3
TopValue
20
HiddenCells
  • {"r":2,"c":1,"v":6}
  • {"r":2,"c":2,"v":3}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 7] → [7, 4, 3]

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Answer: Row1[1]=18, Row2[1]=11

SubType
number-pyramid
Difficulty
easy
Levels
  • [18]
  • [11,7]
  • [7,4,3]
Base
  • 7
  • 4
  • 3
TopValue
18
HiddenCells
  • {"r":0,"c":0,"v":18}
  • {"r":1,"c":0,"v":11}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [31] → [18, _] → [10, 8, _]

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Answer: Row2[2]=13, Row3[3]=5

SubType
number-pyramid
Difficulty
easy
Levels
  • [31]
  • [18,13]
  • [10,8,5]
Base
  • 10
  • 8
  • 5
TopValue
31
HiddenCells
  • {"r":1,"c":1,"v":13}
  • {"r":2,"c":2,"v":5}