easy Set 83 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [21] → [_, 14] → [_, 5, 9]

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

SubType
number-pyramid
Difficulty
easy
Levels
  • [21]
  • [7,14]
  • [2,5,9]
Base
  • 2
  • 5
  • 9
TopValue
21
HiddenCells
  • {"r":1,"c":0,"v":7}
  • {"r":2,"c":0,"v":2}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [10, 11] → [9, _, 10]

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Answer: Row3[2]=1, Row1[1]=21

SubType
number-pyramid
Difficulty
easy
Levels
  • [21]
  • [10,11]
  • [9,1,10]
Base
  • 9
  • 1
  • 10
TopValue
21
HiddenCells
  • {"r":2,"c":1,"v":1}
  • {"r":0,"c":0,"v":21}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [14, 11] → [_, 6, 5]

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Answer: Row1[1]=25, Row3[1]=8

SubType
number-pyramid
Difficulty
easy
Levels
  • [25]
  • [14,11]
  • [8,6,5]
Base
  • 8
  • 6
  • 5
TopValue
25
HiddenCells
  • {"r":0,"c":0,"v":25}
  • {"r":2,"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): [_] → [9, 6] → [7, _, 4]

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Answer: Row1[1]=15, Row3[2]=2

SubType
number-pyramid
Difficulty
easy
Levels
  • [15]
  • [9,6]
  • [7,2,4]
Base
  • 7
  • 2
  • 4
TopValue
15
HiddenCells
  • {"r":0,"c":0,"v":15}
  • {"r":2,"c":1,"v":2}