Numerical Expressions

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 'sum' mean in mathematics?

Back

The term 'sum' refers to the result of adding two or more numbers together.

Front

What does the term 'difference' mean in mathematics?

Back

The term 'difference' refers to the result of subtracting one number from another.

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: Parentheses, Exponents, Multiplication and Division (from left to right), Addition and Subtraction (from left to right), often abbreviated as PEMDAS.

Front

Solve: 5 + 3 x 8

Back

29

Front

What is the correct way to express '2 times the sum of 14 and 12'?

Back

2 x (14 + 12)

Front

What is the correct way to express 'the difference of 7 and 3 times 4'?

Back

(7 - 3) x 4

Front

Which symbol represents addition?

Back

+

Front

Which symbol represents subtraction?

Back

-

Front

Which symbol represents multiplication?

Back

x