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What is an equivalent equation?

Back

An equivalent equation is an equation that has the same solution as another equation, meaning both sides of the equation are equal when the variable is replaced with the solution.

Tags

CCSS.8.EE.C.7A

Front

How do you isolate a variable in an equation?

Back

To isolate a variable, you perform inverse operations to both sides of the equation until the variable is alone on one side.

Tags

CCSS.6.EE.B.7

Front

What is the result of adding zero to a number?

Back

Adding zero to a number does not change the value of that number; it is known as the identity property of addition.

Tags

CCSS.1.OA.B.3

Front

What is the result of multiplying a number by one?

Back

Multiplying a number by one does not change the value of that number; it is known as the identity property of multiplication.

Tags

CCSS.3.OA.B.5

Front

What does it mean to simplify an expression?

Back

Simplifying an expression means to reduce it to its simplest form by combining like terms and performing any possible operations.

Tags

CCSS.7.EE.A.1

Front

What is the distributive property?

Back

The distributive property states that a(b + c) = ab + ac, meaning you can distribute a factor across a sum.

Tags

CCSS.6.EE.A.3

Front

What is the commutative property of addition?

Back

The commutative property of addition states that changing the order of the addends does not change the sum, i.e., a + b = b + a.

Tags

CCSS.1.OA.B.3

Front

What is the commutative property of multiplication?

Back

The commutative property of multiplication states that changing the order of the factors does not change the product, i.e., a × b = b × a.

Tags

CCSS.3.OA.B.5

Front

What is the associative property of addition?

Back

The associative property of addition states that the way in which numbers are grouped does not change their sum, i.e., (a + b) + c = a + (b + c).

Tags

CCSS.1.OA.B.3

Front

What is the associative property of multiplication?

Back

The associative property of multiplication states that the way in which numbers are grouped does not change their product, i.e., (a × b) × c = a × (b × c).

Tags

CCSS.3.OA.B.5