Equivalent Equations

Front

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 simplified.

Front

What operation is performed first in the expression (13 - 1) + 4?

Back

Subtraction is performed first.

Front

What operation is performed first in the expression 25 x (3 - 1)?

Back

Subtraction is performed first.

Front

What is the result of the expression (2 x 5) + 18?

Back

The result is 28.

Front

What operation is performed second in the expression (13 - 1) + 4?

Back

Addition is performed second.

Front

What is the result of the expression (2 + 2) - 1?

Back

The result is 3.

Front

What is the order of operations in mathematics?

Back

The order of operations is Parentheses, Exponents, Multiplication and Division (from left to right), Addition and Subtraction (from left to right), often abbreviated as PEMDAS.

Front

Why is it important to follow the order of operations?

Back

Following the order of operations ensures that mathematical expressions are evaluated correctly and consistently.

Front

What does the term 'subtraction' refer to in mathematics?

Back

Subtraction is the operation of finding the difference between two numbers or quantities.

Front

What does the term 'addition' refer to in mathematics?

Back

Addition is the operation of combining two or more numbers or quantities to get a total.