easy Set 20 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 15] → [8, 5, 10]

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Answer: Row1[1]=28, Row2[1]=13

SubType
number-pyramid
Difficulty
easy
Levels
  • [28]
  • [13,15]
  • [8,5,10]
Base
  • 8
  • 5
  • 10
TopValue
28
HiddenCells
  • {"r":0,"c":0,"v":28}
  • {"r":1,"c":0,"v":13}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [29] → [_, 15] → [_, 7, 8]

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Answer: Row3[1]=7, Row2[1]=14

SubType
number-pyramid
Difficulty
easy
Levels
  • [29]
  • [14,15]
  • [7,7,8]
Base
  • 7
  • 7
  • 8
TopValue
29
HiddenCells
  • {"r":2,"c":0,"v":7}
  • {"r":1,"c":0,"v":14}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [8] → [3, _] → [1, _, 3]

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

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

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [9, _] → [4, 5, 7]

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

SubType
number-pyramid
Difficulty
easy
Levels
  • [21]
  • [9,12]
  • [4,5,7]
Base
  • 4
  • 5
  • 7
TopValue
21
HiddenCells
  • {"r":1,"c":1,"v":12}
  • {"r":0,"c":0,"v":21}