easy Set 85 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] → [_, 3, 5]

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

SubType
number-pyramid
Difficulty
easy
Levels
  • [20]
  • [12,8]
  • [9,3,5]
Base
  • 9
  • 3
  • 5
TopValue
20
HiddenCells
  • {"r":2,"c":0,"v":9}
  • {"r":1,"c":0,"v":12}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [33] → [15, _] → [7, 8, _]

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Answer: Row3[3]=10, Row2[2]=18

SubType
number-pyramid
Difficulty
easy
Levels
  • [33]
  • [15,18]
  • [7,8,10]
Base
  • 7
  • 8
  • 10
TopValue
33
HiddenCells
  • {"r":2,"c":2,"v":10}
  • {"r":1,"c":1,"v":18}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [35] → [17, _] → [_, 10, 8]

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Answer: Row3[1]=7, Row2[2]=18

SubType
number-pyramid
Difficulty
easy
Levels
  • [35]
  • [17,18]
  • [7,10,8]
Base
  • 7
  • 10
  • 8
TopValue
35
HiddenCells
  • {"r":2,"c":0,"v":7}
  • {"r":1,"c":1,"v":18}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [9] → [6, _] → [4, 2, _]

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Answer: Row2[2]=3, Row3[3]=1

SubType
number-pyramid
Difficulty
easy
Levels
  • [9]
  • [6,3]
  • [4,2,1]
Base
  • 4
  • 2
  • 1
TopValue
9
HiddenCells
  • {"r":1,"c":1,"v":3}
  • {"r":2,"c":2,"v":1}