easy Set 25 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [15] → [10, _] → [8, 2, _]

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

SubType
number-pyramid
Difficulty
easy
Levels
  • [15]
  • [10,5]
  • [8,2,3]
Base
  • 8
  • 2
  • 3
TopValue
15
HiddenCells
  • {"r":1,"c":1,"v":5}
  • {"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): [13] → [_, 8] → [3, _, 6]

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Answer: Row3[2]=2, Row2[1]=5

SubType
number-pyramid
Difficulty
easy
Levels
  • [13]
  • [5,8]
  • [3,2,6]
Base
  • 3
  • 2
  • 6
TopValue
13
HiddenCells
  • {"r":2,"c":1,"v":2}
  • {"r":1,"c":0,"v":5}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [8, 9] → [3, _, 4]

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Answer: Row1[1]=17, Row3[2]=5

SubType
number-pyramid
Difficulty
easy
Levels
  • [17]
  • [8,9]
  • [3,5,4]
Base
  • 3
  • 5
  • 4
TopValue
17
HiddenCells
  • {"r":0,"c":0,"v":17}
  • {"r":2,"c":1,"v":5}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [28] → [13, 15] → [_, _, 7]

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Answer: Row3[2]=8, Row3[1]=5

SubType
number-pyramid
Difficulty
easy
Levels
  • [28]
  • [13,15]
  • [5,8,7]
Base
  • 5
  • 8
  • 7
TopValue
28
HiddenCells
  • {"r":2,"c":1,"v":8}
  • {"r":2,"c":0,"v":5}