easy Set 63 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [30] → [17, _] → [8, 9, _]

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Answer: Row3[3]=4, Row2[2]=13

SubType
number-pyramid
Difficulty
easy
Levels
  • [30]
  • [17,13]
  • [8,9,4]
Base
  • 8
  • 9
  • 4
TopValue
30
HiddenCells
  • {"r":2,"c":2,"v":4}
  • {"r":1,"c":1,"v":13}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [23] → [_, 7] → [_, 6, 1]

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Answer: Row3[1]=10, Row2[1]=16

SubType
number-pyramid
Difficulty
easy
Levels
  • [23]
  • [16,7]
  • [10,6,1]
Base
  • 10
  • 6
  • 1
TopValue
23
HiddenCells
  • {"r":2,"c":0,"v":10}
  • {"r":1,"c":0,"v":16}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [10, 11] → [7, 3, _]

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Answer: Row3[3]=8, Row1[1]=21

SubType
number-pyramid
Difficulty
easy
Levels
  • [21]
  • [10,11]
  • [7,3,8]
Base
  • 7
  • 3
  • 8
TopValue
21
HiddenCells
  • {"r":2,"c":2,"v":8}
  • {"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): [_] → [_, 13] → [1, 8, 5]

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Answer: Row2[1]=9, Row1[1]=22

SubType
number-pyramid
Difficulty
easy
Levels
  • [22]
  • [9,13]
  • [1,8,5]
Base
  • 1
  • 8
  • 5
TopValue
22
HiddenCells
  • {"r":1,"c":0,"v":9}
  • {"r":0,"c":0,"v":22}