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): [30] → [17, _] → [7, _, 3]

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Answer: Row3[2]=10, Row2[2]=13

SubType
number-pyramid
Difficulty
easy
Levels
  • [30]
  • [17,13]
  • [7,10,3]
Base
  • 7
  • 10
  • 3
TopValue
30
HiddenCells
  • {"r":2,"c":1,"v":10}
  • {"r":1,"c":1,"v":13}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [8, 8] → [_, 5, 3]

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Answer: Row1[1]=16, Row3[1]=3

SubType
number-pyramid
Difficulty
easy
Levels
  • [16]
  • [8,8]
  • [3,5,3]
Base
  • 3
  • 5
  • 3
TopValue
16
HiddenCells
  • {"r":0,"c":0,"v":16}
  • {"r":2,"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): [19] → [7, 12] → [_, 3, _]

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Answer: Row3[1]=4, Row3[3]=9

SubType
number-pyramid
Difficulty
easy
Levels
  • [19]
  • [7,12]
  • [4,3,9]
Base
  • 4
  • 3
  • 9
TopValue
19
HiddenCells
  • {"r":2,"c":0,"v":4}
  • {"r":2,"c":2,"v":9}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [31] → [_, 18] → [_, 8, 10]

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Answer: Row3[1]=5, Row2[1]=13

SubType
number-pyramid
Difficulty
easy
Levels
  • [31]
  • [13,18]
  • [5,8,10]
Base
  • 5
  • 8
  • 10
TopValue
31
HiddenCells
  • {"r":2,"c":0,"v":5}
  • {"r":1,"c":0,"v":13}