easy Set 61 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [18] → [5, 13] → [2, _, _]

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Answer: Row3[2]=3, Row3[3]=10

SubType
number-pyramid
Difficulty
easy
Levels
  • [18]
  • [5,13]
  • [2,3,10]
Base
  • 2
  • 3
  • 10
TopValue
18
HiddenCells
  • {"r":2,"c":1,"v":3}
  • {"r":2,"c":2,"v":10}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [2, 3] → [1, _, 2]

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

SubType
number-pyramid
Difficulty
easy
Levels
  • [5]
  • [2,3]
  • [1,1,2]
Base
  • 1
  • 1
  • 2
TopValue
5
HiddenCells
  • {"r":2,"c":1,"v":1}
  • {"r":0,"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): [17] → [_, 5] → [10, 2, _]

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Answer: Row3[3]=3, Row2[1]=12

SubType
number-pyramid
Difficulty
easy
Levels
  • [17]
  • [12,5]
  • [10,2,3]
Base
  • 10
  • 2
  • 3
TopValue
17
HiddenCells
  • {"r":2,"c":2,"v":3}
  • {"r":1,"c":0,"v":12}

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

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Answer: Row2[1]=13, Row1[1]=26

SubType
number-pyramid
Difficulty
easy
Levels
  • [26]
  • [13,13]
  • [9,4,9]
Base
  • 9
  • 4
  • 9
TopValue
26
HiddenCells
  • {"r":1,"c":0,"v":13}
  • {"r":0,"c":0,"v":26}