easy Set 81 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [11] → [7, _] → [_, 3, 1]

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Answer: Row2[2]=4, Row3[1]=4

SubType
number-pyramid
Difficulty
easy
Levels
  • [11]
  • [7,4]
  • [4,3,1]
Base
  • 4
  • 3
  • 1
TopValue
11
HiddenCells
  • {"r":1,"c":1,"v":4}
  • {"r":2,"c":0,"v":4}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [13, 17] → [_, 10, 7]

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Answer: Row1[1]=30, Row3[1]=3

SubType
number-pyramid
Difficulty
easy
Levels
  • [30]
  • [13,17]
  • [3,10,7]
Base
  • 3
  • 10
  • 7
TopValue
30
HiddenCells
  • {"r":0,"c":0,"v":30}
  • {"r":2,"c":0,"v":3}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [22] → [_, 12] → [_, 6, 6]

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Answer: Row2[1]=10, Row3[1]=4

SubType
number-pyramid
Difficulty
easy
Levels
  • [22]
  • [10,12]
  • [4,6,6]
Base
  • 4
  • 6
  • 6
TopValue
22
HiddenCells
  • {"r":1,"c":0,"v":10}
  • {"r":2,"c":0,"v":4}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [34] → [_, 18] → [6, 10, _]

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Answer: Row3[3]=8, Row2[1]=16

SubType
number-pyramid
Difficulty
easy
Levels
  • [34]
  • [16,18]
  • [6,10,8]
Base
  • 6
  • 10
  • 8
TopValue
34
HiddenCells
  • {"r":2,"c":2,"v":8}
  • {"r":1,"c":0,"v":16}