easy Set 91 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [20] → [_, 8] → [10, _, 6]

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

SubType
number-pyramid
Difficulty
easy
Levels
  • [20]
  • [12,8]
  • [10,2,6]
Base
  • 10
  • 2
  • 6
TopValue
20
HiddenCells
  • {"r":1,"c":0,"v":12}
  • {"r":2,"c":1,"v":2}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [14] → [_, 6] → [3, 5, _]

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

SubType
number-pyramid
Difficulty
easy
Levels
  • [14]
  • [8,6]
  • [3,5,1]
Base
  • 3
  • 5
  • 1
TopValue
14
HiddenCells
  • {"r":1,"c":0,"v":8}
  • {"r":2,"c":2,"v":1}

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

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Answer: Row1[1]=5, Row2[1]=3

SubType
number-pyramid
Difficulty
easy
Levels
  • [5]
  • [3,2]
  • [2,1,1]
Base
  • 2
  • 1
  • 1
TopValue
5
HiddenCells
  • {"r":0,"c":0,"v":5}
  • {"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): [18] → [7, 11] → [_, _, 5]

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

SubType
number-pyramid
Difficulty
easy
Levels
  • [18]
  • [7,11]
  • [1,6,5]
Base
  • 1
  • 6
  • 5
TopValue
18
HiddenCells
  • {"r":2,"c":1,"v":6}
  • {"r":2,"c":0,"v":1}