Year Eight Mathematics Worksheets

Subtraction is a basic mathematical operation that is used to find the difference between two numbers. In the world of algebra, subtraction is used to find the difference between two expressions, known as rational algebraic expressions. When it comes to subtracting rational algebraic expressions, it is important to ensure that the denominators of the expressions being subtracted are the same.

Rational algebraic expressions are mathematical expressions that contain variables and coefficients, and are written as the ratio of two polynomials. To subtract rational algebraic expressions with the same denominators, children must understand that the denominators represent a common unit of measurement. When the denominators are the same, children can subtract the numerators to find the difference between the expressions.

For example, consider the two rational algebraic expressions: 2/3 and 1/3. The denominators of both expressions are 3, which represents the unit of measurement. To find the difference between the expressions, children can subtract the numerators: 2/3 – 1/3 = 1/3. This result represents the difference between the two expressions, expressed in terms of the common unit of measurement.

To simplify the subtraction process, children can use the distributive property, which states that a(b – c) = ab – ac. This property allows children to break down complex expressions into simpler parts, making it easier to perform the subtraction and simplify the result.

In conclusion, subtraction of rational algebraic expressions with the same denominators is an important topic in mathematics that helps children develop critical thinking skills and a deeper understanding of mathematical concepts. By learning how to subtract rational algebraic expressions, simplify expressions, and use the distributive property, children can find solutions to problems, build a strong foundation in mathematics, and prepare for more advanced topics in the future. Whether they are solving problems in class, working on a project, or preparing for a test, the skills they learn about subtraction of rational algebraic expressions with the same denominators will be valuable to them for years to come.

Year Eight Math Worksheet for Kids – Subtraction of Rational Algebraic Expressions with Same Denominators

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