easy Set 30 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [12] → [3, _] → [2, _, 8]

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Answer: Row3[2]=1, Row2[2]=9

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

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [17] → [_, 11] → [_, 5, 6]

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Answer: Row3[1]=1, Row2[1]=6

SubType
number-pyramid
Difficulty
easy
Levels
  • [17]
  • [6,11]
  • [1,5,6]
Base
  • 1
  • 5
  • 6
TopValue
17
HiddenCells
  • {"r":2,"c":0,"v":1}
  • {"r":1,"c":0,"v":6}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [9, _] → [2, 7, 5]

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Answer: Row2[2]=12, Row1[1]=21

SubType
number-pyramid
Difficulty
easy
Levels
  • [21]
  • [9,12]
  • [2,7,5]
Base
  • 2
  • 7
  • 5
TopValue
21
HiddenCells
  • {"r":1,"c":1,"v":12}
  • {"r":0,"c":0,"v":21}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [19] → [_, 11] → [2, _, 5]

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Answer: Row2[1]=8, Row3[2]=6

SubType
number-pyramid
Difficulty
easy
Levels
  • [19]
  • [8,11]
  • [2,6,5]
Base
  • 2
  • 6
  • 5
TopValue
19
HiddenCells
  • {"r":1,"c":0,"v":8}
  • {"r":2,"c":1,"v":6}