easy Set 15 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [21] → [12, 9] → [_, 2, _]

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Answer: Row3[1]=10, Row3[3]=7

SubType
number-pyramid
Difficulty
easy
Levels
  • [21]
  • [12,9]
  • [10,2,7]
Base
  • 10
  • 2
  • 7
TopValue
21
HiddenCells
  • {"r":2,"c":0,"v":10}
  • {"r":2,"c":2,"v":7}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [15] → [8, 7] → [2, _, _]

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Answer: Row3[3]=1, Row3[2]=6

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

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [18, 12] → [_, 10, 2]

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Answer: Row1[1]=30, Row3[1]=8

SubType
number-pyramid
Difficulty
easy
Levels
  • [30]
  • [18,12]
  • [8,10,2]
Base
  • 8
  • 10
  • 2
TopValue
30
HiddenCells
  • {"r":0,"c":0,"v":30}
  • {"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): [32] → [_, 15] → [10, _, 8]

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Answer: Row2[1]=17, Row3[2]=7

SubType
number-pyramid
Difficulty
easy
Levels
  • [32]
  • [17,15]
  • [10,7,8]
Base
  • 10
  • 7
  • 8
TopValue
32
HiddenCells
  • {"r":1,"c":0,"v":17}
  • {"r":2,"c":1,"v":7}