easy Set 86 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [15] → [8, _] → [2, 6, _]

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Answer: Row2[2]=7, Row3[3]=1

SubType
number-pyramid
Difficulty
easy
Levels
  • [15]
  • [8,7]
  • [2,6,1]
Base
  • 2
  • 6
  • 1
TopValue
15
HiddenCells
  • {"r":1,"c":1,"v":7}
  • {"r":2,"c":2,"v":1}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [25] → [16, 9] → [_, 8, _]

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

SubType
number-pyramid
Difficulty
easy
Levels
  • [25]
  • [16,9]
  • [8,8,1]
Base
  • 8
  • 8
  • 1
TopValue
25
HiddenCells
  • {"r":2,"c":2,"v":1}
  • {"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): [_] → [14, 9] → [_, 7, 2]

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Answer: Row3[1]=7, Row1[1]=23

SubType
number-pyramid
Difficulty
easy
Levels
  • [23]
  • [14,9]
  • [7,7,2]
Base
  • 7
  • 7
  • 2
TopValue
23
HiddenCells
  • {"r":2,"c":0,"v":7}
  • {"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): [20] → [8, 12] → [_, _, 9]

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Answer: Row3[2]=3, Row3[1]=5

SubType
number-pyramid
Difficulty
easy
Levels
  • [20]
  • [8,12]
  • [5,3,9]
Base
  • 5
  • 3
  • 9
TopValue
20
HiddenCells
  • {"r":2,"c":1,"v":3}
  • {"r":2,"c":0,"v":5}