easy Set 98 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [21] → [12, 9] → [9, _, _]

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Answer: Row3[3]=6, Row3[2]=3

SubType
number-pyramid
Difficulty
easy
Levels
  • [21]
  • [12,9]
  • [9,3,6]
Base
  • 9
  • 3
  • 6
TopValue
21
HiddenCells
  • {"r":2,"c":2,"v":6}
  • {"r":2,"c":1,"v":3}

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

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Answer: Row3[2]=3, Row1[1]=24

SubType
number-pyramid
Difficulty
easy
Levels
  • [24]
  • [12,12]
  • [9,3,9]
Base
  • 9
  • 3
  • 9
TopValue
24
HiddenCells
  • {"r":2,"c":1,"v":3}
  • {"r":0,"c":0,"v":24}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [17] → [10, _] → [_, 6, 1]

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Answer: Row3[1]=4, Row2[2]=7

SubType
number-pyramid
Difficulty
easy
Levels
  • [17]
  • [10,7]
  • [4,6,1]
Base
  • 4
  • 6
  • 1
TopValue
17
HiddenCells
  • {"r":2,"c":0,"v":4}
  • {"r":1,"c":1,"v":7}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [5] → [3, _] → [2, _, 1]

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

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