easy Set 71 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [20] → [_, 12] → [_, 5, 7]

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Answer: Row3[1]=3, Row2[1]=8

SubType
number-pyramid
Difficulty
easy
Levels
  • [20]
  • [8,12]
  • [3,5,7]
Base
  • 3
  • 5
  • 7
TopValue
20
HiddenCells
  • {"r":2,"c":0,"v":3}
  • {"r":1,"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): [23] → [_, 7] → [10, _, 1]

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Answer: Row3[2]=6, Row2[1]=16

SubType
number-pyramid
Difficulty
easy
Levels
  • [23]
  • [16,7]
  • [10,6,1]
Base
  • 10
  • 6
  • 1
TopValue
23
HiddenCells
  • {"r":2,"c":1,"v":6}
  • {"r":1,"c":0,"v":16}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [17] → [11, _] → [_, 5, 1]

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Answer: Row2[2]=6, Row3[1]=6

SubType
number-pyramid
Difficulty
easy
Levels
  • [17]
  • [11,6]
  • [6,5,1]
Base
  • 6
  • 5
  • 1
TopValue
17
HiddenCells
  • {"r":1,"c":1,"v":6}
  • {"r":2,"c":0,"v":6}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [27] → [_, 15] → [3, _, 6]

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Answer: Row3[2]=9, Row2[1]=12

SubType
number-pyramid
Difficulty
easy
Levels
  • [27]
  • [12,15]
  • [3,9,6]
Base
  • 3
  • 9
  • 6
TopValue
27
HiddenCells
  • {"r":2,"c":1,"v":9}
  • {"r":1,"c":0,"v":12}