Study notes Mathematics

Year 8 Maths
Simplifying Algebra Expression
Key Concepts Rules
Identify Like Terms
Terms in Algebra Combine Like Terms
Like Terms Keep Unlike Terms Separate
Simplification Rules Simplify Expressions Step-by
Basic Operations with Watch the Signs
Multiply Variables and Coeffi
Algebra
Separately (if needed)
Common Mistake Double-Check Your Work




Examples of each Key Concepts
Terms in Algebra
Coefficient: The number in front Like Terms
of a variable (e.g., in 3x, 3 is the Terms with the
coefficient). variable and e
Constant: A number without a Example: 3x an
variable (e.g., 5 in 3x+5) like terms, but
are not.
Simplification Rules
Combine like terms by adding or
subtracting their coefficients. Common Mistake
Example: 2a + 4a = 6a Do not combin