easy Set 20 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [18] → [11, 7] → [9, _, _]

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Answer: Row3[2]=2, Row3[3]=5

SubType
number-pyramid
Difficulty
easy
Levels
  • [18]
  • [11,7]
  • [9,2,5]
Base
  • 9
  • 2
  • 5
TopValue
18
HiddenCells
  • {"r":2,"c":1,"v":2}
  • {"r":2,"c":2,"v":5}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [25] → [11, _] → [5, 6, _]

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Answer: Row2[2]=14, Row3[3]=8

SubType
number-pyramid
Difficulty
easy
Levels
  • [25]
  • [11,14]
  • [5,6,8]
Base
  • 5
  • 6
  • 8
TopValue
25
HiddenCells
  • {"r":1,"c":1,"v":14}
  • {"r":2,"c":2,"v":8}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [8, 8] → [_, 1, 7]

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Answer: Row1[1]=16, Row3[1]=7

SubType
number-pyramid
Difficulty
easy
Levels
  • [16]
  • [8,8]
  • [7,1,7]
Base
  • 7
  • 1
  • 7
TopValue
16
HiddenCells
  • {"r":0,"c":0,"v":16}
  • {"r":2,"c":0,"v":7}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [5, 6] → [3, _, 4]

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Answer: Row3[2]=2, Row1[1]=11

SubType
number-pyramid
Difficulty
easy
Levels
  • [11]
  • [5,6]
  • [3,2,4]
Base
  • 3
  • 2
  • 4
TopValue
11
HiddenCells
  • {"r":2,"c":1,"v":2}
  • {"r":0,"c":0,"v":11}