easy Set 89 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [23] → [13, 10] → [5, _, _]

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Answer: Row3[2]=8, Row3[3]=2

SubType
number-pyramid
Difficulty
easy
Levels
  • [23]
  • [13,10]
  • [5,8,2]
Base
  • 5
  • 8
  • 2
TopValue
23
HiddenCells
  • {"r":2,"c":1,"v":8}
  • {"r":2,"c":2,"v":2}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [10, 13] → [_, 6, 7]

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Answer: Row3[1]=4, Row1[1]=23

SubType
number-pyramid
Difficulty
easy
Levels
  • [23]
  • [10,13]
  • [4,6,7]
Base
  • 4
  • 6
  • 7
TopValue
23
HiddenCells
  • {"r":2,"c":0,"v":4}
  • {"r":0,"c":0,"v":23}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [17] → [_, 8] → [2, 7, _]

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Answer: Row2[1]=9, Row3[3]=1

SubType
number-pyramid
Difficulty
easy
Levels
  • [17]
  • [9,8]
  • [2,7,1]
Base
  • 2
  • 7
  • 1
TopValue
17
HiddenCells
  • {"r":1,"c":0,"v":9}
  • {"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): [21] → [11, 10] → [9, _, _]

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Answer: Row3[2]=2, Row3[3]=8

SubType
number-pyramid
Difficulty
easy
Levels
  • [21]
  • [11,10]
  • [9,2,8]
Base
  • 9
  • 2
  • 8
TopValue
21
HiddenCells
  • {"r":2,"c":1,"v":2}
  • {"r":2,"c":2,"v":8}