easy Set 13 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [13, 18] → [3, _, 8]

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Answer: Row1[1]=31, Row3[2]=10

SubType
number-pyramid
Difficulty
easy
Levels
  • [31]
  • [13,18]
  • [3,10,8]
Base
  • 3
  • 10
  • 8
TopValue
31
HiddenCells
  • {"r":0,"c":0,"v":31}
  • {"r":2,"c":1,"v":10}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [38] → [_, 19] → [_, 9, 10]

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Answer: Row3[1]=10, Row2[1]=19

SubType
number-pyramid
Difficulty
easy
Levels
  • [38]
  • [19,19]
  • [10,9,10]
Base
  • 10
  • 9
  • 10
TopValue
38
HiddenCells
  • {"r":2,"c":0,"v":10}
  • {"r":1,"c":0,"v":19}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [22] → [12, _] → [3, _, 1]

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Answer: Row2[2]=10, Row3[2]=9

SubType
number-pyramid
Difficulty
easy
Levels
  • [22]
  • [12,10]
  • [3,9,1]
Base
  • 3
  • 9
  • 1
TopValue
22
HiddenCells
  • {"r":1,"c":1,"v":10}
  • {"r":2,"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): [31] → [16, _] → [7, 9, _]

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Answer: Row3[3]=6, Row2[2]=15

SubType
number-pyramid
Difficulty
easy
Levels
  • [31]
  • [16,15]
  • [7,9,6]
Base
  • 7
  • 9
  • 6
TopValue
31
HiddenCells
  • {"r":2,"c":2,"v":6}
  • {"r":1,"c":1,"v":15}