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MIDDLE SCHOOL

Mathematics (Grade 7)

Simplifying Linear Expressions

Combining Like Terms
01:25
Combining Like Terms

Algebraic expressions can often be simplified by combining terms that are alike. Combining like terms makes expressions easier to read, understand, an

Video Duration: 1 minute and 25 seconds
Combining Like Terms with Integers
01:28
Combining Like Terms with Integers

Algebraic expressions often contain multiple terms that share the same variable. Combining like terms simplifies these expressions and makes them easi

Video Duration: 1 minute and 28 seconds
Simplifying Expressions with Multiple Variables
01:26
Simplifying Expressions with Multiple Variables

In many real-world situations, several types of quantities must be tracked simultaneously. Algebraic expressions with multiple variables allow us to m

Video Duration: 1 minute and 26 seconds
Simplifying Expressions with Decimals
01:29
Simplifying Expressions with Decimals

Algebraic expressions frequently include decimal coefficients, especially in real-world contexts such as prices, measurements, and statistics. Simplif

Video Duration: 1 minute and 29 seconds
Simplifying Expressions with Fractions
01:25
Simplifying Expressions with Fractions

Algebraic expressions can have fractional coefficients, which appear in real-life contexts such as recipe scaling, resource sharing, and measurement.

Video Duration: 1 minute and 25 seconds
Using the Commutative Property
01:25
Using the Commutative Property

The commutative property is a fundamental rule in mathematics stating that terms can be reordered in an addition expression without changing the resul

Video Duration: 1 minute and 25 seconds
Using the Associative Property
01:29
Using the Associative Property

The associative property states that when adding or multiplying three or more numbers, the grouping does not affect the result. In algebra, this prope

Video Duration: 1 minute and 29 seconds
Using the Distributive Property
01:21
Using the Distributive Property

The distributive property is one of the most important properties in algebra. It allows a single term to be multiplied by each term inside a set of pa

Video Duration: 1 minute and 21 seconds
Choosing the Best Form of an Expression
01:30
Choosing the Best Form of an Expression

Algebraic expressions can be written in multiple equivalent forms. Choosing the most useful form depends on the context — the factored form may be eas

Video Duration: 1 minute and 30 seconds