Estimating Surds (Grade 10 NSC Matric Mathematics): Flashcards

nth root that cannot be simplified to rational number

Not a surd; simplifies to 2

Number obtained when an integer is squared

Number that is the cube of an integer

1, 4, 9, 16, 25

1, 8, 27, 64, 125

$< \sqrt[n]{b}$

Find perfect powers above & below the number

5 and 6 ($5^2=25$, $6^2=36$)

3 and 4 ($3^3=27$, $4^3=64$)