easy Set 25 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [10, 9] → [9, 1, _]

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Answer: Row1[1]=19, Row3[3]=8

SubType
number-pyramid
Difficulty
easy
Levels
  • [19]
  • [10,9]
  • [9,1,8]
Base
  • 9
  • 1
  • 8
TopValue
19
HiddenCells
  • {"r":0,"c":0,"v":19}
  • {"r":2,"c":2,"v":8}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [12] → [_, 9] → [_, 1, 8]

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Answer: Row3[1]=2, Row2[1]=3

SubType
number-pyramid
Difficulty
easy
Levels
  • [12]
  • [3,9]
  • [2,1,8]
Base
  • 2
  • 1
  • 8
TopValue
12
HiddenCells
  • {"r":2,"c":0,"v":2}
  • {"r":1,"c":0,"v":3}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [36] → [17, 19] → [_, _, 10]

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Answer: Row3[1]=8, Row3[2]=9

SubType
number-pyramid
Difficulty
easy
Levels
  • [36]
  • [17,19]
  • [8,9,10]
Base
  • 8
  • 9
  • 10
TopValue
36
HiddenCells
  • {"r":2,"c":0,"v":8}
  • {"r":2,"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): [21] → [8, 13] → [_, 5, _]

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Answer: Row3[1]=3, Row3[3]=8

SubType
number-pyramid
Difficulty
easy
Levels
  • [21]
  • [8,13]
  • [3,5,8]
Base
  • 3
  • 5
  • 8
TopValue
21
HiddenCells
  • {"r":2,"c":0,"v":3}
  • {"r":2,"c":2,"v":8}