Definition Of Numerical Expression

The term 'numerical' means 'involving numbers' and the term 'expression' means 'phrase'.

A numerical expression is a mathematical phrase involving only numbers and one or more operational symbols

More About Numerical Expression

A numerical expression represents a particular number.
For example, the numerical expression 4 + 20 - 7 in the example above simplifies to the number 17.

Examples of Numerical Expression

The following are some examples of numerical expressions.
4 + 20 - 7, (2 + 3) - 7, (6 × 2) ÷ 20, 5 ÷ (20 × 3), 5 × (4² + 3)

Video Examples: How to Simplify Numerical Expressions

Solved Example on Numerical Expression

Ques: Evaluate the numerical expression: 23 + 15 - 8.

Solution:

Step 1: 23 + 15 - 8 [Given.]
Step 2: = 38 - 8
Step 3: = 30
Step 4:So, 23 + 15 - 8 = 30.

Ques: Evaluate: 10² - 10 + 100¹

Solution:

Step 1: 10² - 10 + 100¹ [Given.]
Step 2: = 10 × 10 - 10 + 100
Step 3: = 100 - 10 + 100
Step 4: = 90 + 100
Step 5: = 190
Step 6: So, 10² - 10 + 100¹ = 190.

Related Worksheet

• Writing-and-Interpreting-Numerical-Expressions-Gr-5