easy Set 80 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [27] → [_, 12] → [5, _, 2]

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Answer: Row3[2]=10, Row2[1]=15

SubType
number-pyramid
Difficulty
easy
Levels
  • [27]
  • [15,12]
  • [5,10,2]
Base
  • 5
  • 10
  • 2
TopValue
27
HiddenCells
  • {"r":2,"c":1,"v":10}
  • {"r":1,"c":0,"v":15}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [31] → [14, _] → [6, _, 9]

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Answer: Row3[2]=8, Row2[2]=17

SubType
number-pyramid
Difficulty
easy
Levels
  • [31]
  • [14,17]
  • [6,8,9]
Base
  • 6
  • 8
  • 9
TopValue
31
HiddenCells
  • {"r":2,"c":1,"v":8}
  • {"r":1,"c":1,"v":17}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [11, 13] → [_, 3, 10]

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Answer: Row3[1]=8, Row1[1]=24

SubType
number-pyramid
Difficulty
easy
Levels
  • [24]
  • [11,13]
  • [8,3,10]
Base
  • 8
  • 3
  • 10
TopValue
24
HiddenCells
  • {"r":2,"c":0,"v":8}
  • {"r":0,"c":0,"v":24}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [15] → [6, 9] → [_, 3, _]

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Answer: Row3[1]=3, Row3[3]=6

SubType
number-pyramid
Difficulty
easy
Levels
  • [15]
  • [6,9]
  • [3,3,6]
Base
  • 3
  • 3
  • 6
TopValue
15
HiddenCells
  • {"r":2,"c":0,"v":3}
  • {"r":2,"c":2,"v":6}