easy Set 51 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [12, 11] → [9, 3, _]

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Answer: Row1[1]=23, Row3[3]=8

SubType
number-pyramid
Difficulty
easy
Levels
  • [23]
  • [12,11]
  • [9,3,8]
Base
  • 9
  • 3
  • 8
TopValue
23
HiddenCells
  • {"r":0,"c":0,"v":23}
  • {"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): [_] → [_, 10] → [10, 6, 4]

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Answer: Row2[1]=16, Row1[1]=26

SubType
number-pyramid
Difficulty
easy
Levels
  • [26]
  • [16,10]
  • [10,6,4]
Base
  • 10
  • 6
  • 4
TopValue
26
HiddenCells
  • {"r":1,"c":0,"v":16}
  • {"r":0,"c":0,"v":26}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [34] → [_, 15] → [_, 10, 5]

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Answer: Row3[1]=9, Row2[1]=19

SubType
number-pyramid
Difficulty
easy
Levels
  • [34]
  • [19,15]
  • [9,10,5]
Base
  • 9
  • 10
  • 5
TopValue
34
HiddenCells
  • {"r":2,"c":0,"v":9}
  • {"r":1,"c":0,"v":19}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [20] → [_, 7] → [_, 5, 2]

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Answer: Row2[1]=13, Row3[1]=8

SubType
number-pyramid
Difficulty
easy
Levels
  • [20]
  • [13,7]
  • [8,5,2]
Base
  • 8
  • 5
  • 2
TopValue
20
HiddenCells
  • {"r":1,"c":0,"v":13}
  • {"r":2,"c":0,"v":8}