Algebra basics1-easy

Front

What is a numerical expression?

Back

A numerical expression is a mathematical phrase that includes numbers and operations (like addition, subtraction, multiplication, and division) but does not have an equal sign.

Front

What does the term 'coefficient' mean in algebra?

Back

A coefficient is a number that is multiplied by a variable in an algebraic expression. For example, in 10y, 10 is the coefficient.

Front

What is the result of (6*7)+6-4 / 4?

Back

47

Front

How do you express 'the number of students in each group if twenty students are divided into 5 equal groups' mathematically?

Back

20 / 5

Front

What is the sum of nine and twelve expressed as a numerical expression?

Back

9 + 12

Front

What is a function table?

Back

A function table is a table that shows the input-output pairs of a function, helping to visualize how the output changes with different inputs.

Front

What is the difference between an expression and an equation?

Back

An expression is a combination of numbers, variables, and operations without an equal sign, while an equation states that two expressions are equal.

Front

What does it mean to evaluate an expression?

Back

To evaluate an expression means to calculate its value by performing the operations in the correct order.

Front

What is the order of operations in mathematics?

Back

The order of operations is a set of rules that dictates the sequence in which calculations are performed: Parentheses, Exponents, Multiplication and Division (from left to right), Addition and Subtraction (from left to right). This is often remembered by the acronym PEMDAS.

Front

What is the result of 20 - 5?

Back

15