Year 9 Powers Worksheets | Printable PDFs
Year 9 Powers worksheets for Year 9 Maths (Key Stage 3). Students aged 13–14 develop their understanding of powers, roots and calculations involving powers. Students also have to estimate the value of numbers that are square rooted. Students who are unfamiliar with multiplying by powers of ten should practise this first, Year 8 Powers Worksheets.
To square a number is to multiply it by itself. To square root a number is to find a number that multiplies by itself that equals that number. For example 7² = 49 because 7 x 7 is 49 and √49 is 7 because 7 x 7 equals 49. Here, students practise evaluating powers and roots, estimating values and applying these skills to more complex calculations. For more powers worksheets see Year 10 Powers Worksheets.
Sign Up to Unlock 10 Free Answers Every Month
Powers and Roots
For more Powers Worksheets, see Year 10 Powers Worksheets
Common Questions about Year 8 Powers
What does it mean when a number is squared?
Squaring a number means multiplying it by itself.What is the relationship between powers and roots?
Roots are the inverse of powers. For example, the square root of 49 is 7 because 7² = 49.How can you estimate the value of a square root?
Find the two perfect squares that the number lies between, then estimate where it falls between their square roots.
Year 8 Powers Common Mistakes
Common Mistake 1
Multiplying the number by 2 instead of multiplying it by itself when squaring.Common Mistake 2
Confusing square roots with halving a number.Common Mistake 3
Estimating a square root without first finding the two nearest perfect squares.
Powers Worksheets - Free Worksheets Above
Powers
Powers and Roots
Estimating Values of Powers and Roots