Numerical Expression

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 is the order of operations in mathematics?

Back

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

Front

What operation should be performed first in the expression 2 x 18 ÷ (8 - 2) + 7?

Back

The subtraction operation (8 - 2) should be performed first.

Front

Calculate the value of (4 times 8) minus (9 plus 7).

Back

The value is 16.

Front

What is the result of 40 + (72 ÷ 9) ÷ 8?

Back

The result is 41.

Front

If Dawn has 67 apples and Kim has 43 apples, and they use 26 apples to make pies, how do you find the number of apples left?

Back

You calculate it as (67 + 43) - 26.

Front

How do you find the number of cookies each person gets if Jana has two boxes of 12 cookies and shares them among 4 people?

Back

You can find it using the equation 2(12) ÷ 4 = c.

Front

What does the term 'expression' mean in mathematics?

Back

An expression is a combination of numbers, variables, and operations that represents a value.

Front

What is the difference between an expression and an equation?

Back

An expression does not have an equal sign, while an equation does.

Front

What is the result of the expression 5 + 3 x 2?

Back

The result is 11, following the order of operations.