easy Set 11 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [18, 13] → [9, _, 4]

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Answer: Row3[2]=9, Row1[1]=31

SubType
number-pyramid
Difficulty
easy
Levels
  • [31]
  • [18,13]
  • [9,9,4]
Base
  • 9
  • 9
  • 4
TopValue
31
HiddenCells
  • {"r":2,"c":1,"v":9}
  • {"r":0,"c":0,"v":31}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [18] → [5, 13] → [_, _, 9]

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

SubType
number-pyramid
Difficulty
easy
Levels
  • [18]
  • [5,13]
  • [1,4,9]
Base
  • 1
  • 4
  • 9
TopValue
18
HiddenCells
  • {"r":2,"c":0,"v":1}
  • {"r":2,"c":1,"v":4}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [7] → [3, 4] → [_, _, 2]

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

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

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [8, _] → [1, 7, 10]

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Answer: Row1[1]=25, Row2[2]=17

SubType
number-pyramid
Difficulty
easy
Levels
  • [25]
  • [8,17]
  • [1,7,10]
Base
  • 1
  • 7
  • 10
TopValue
25
HiddenCells
  • {"r":0,"c":0,"v":25}
  • {"r":1,"c":1,"v":17}