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Grade 8 Math - Numbers and operations

  • Exercises
    Writing fractions as repeating decimals
    Practice writing fractions as repeating decimals. Get ready to bust out those long division skills!
    Converting repeating decimals to fractions 1
    Practice converting 1- and 2-digit repeating decimals to fractions.
    Square roots
    Practice finding the square root of a perfect square positive integer.
    Cube roots
    Practice finding the cube root of a perfect cube positive integer.
    Classify numbers: rational & irrational
    Practice identifying whether numbers are rational or irrational.
    Approximating square roots
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    Comparing irrational numbers
    Practice comparing irrational numbers without using a calculator.
    Comparing irrational numbers with a calculator
    Practice using a calculator to find the approximate decimal values of irrational numbers.
    Positive Exponents With Positive And Negative Bases
    No problems to practice.
    Even & odd functions
    Given the graph of a function, determine if it&#39;s even, odd, or neither.
    Solve exponential equations using exponent properties
    Example: Solve 2^(3x+5) = 64^(x-7).
    Negative exponents
    Practice computing numbers raised to positive and negative exponents. Bases may be fractions.
    Scientific notation
    Practice expressing numbers in scientific notation.
    Adding & subtracting in scientific notation
    Given two numbers in scientific notation, practice adding and subtracting them.