Solving Numerical Expressions

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

Solve: (7 x 5) + 5

Back

40

Front

What does it mean to simplify an expression?

Back

To simplify an expression means to reduce it to its simplest form by performing operations and combining like terms.

Front

Solve: 25 ÷ (3 + 2)

Back

5

Front

What is a numerical expression?

Back

A numerical expression is a mathematical phrase that includes numbers and operations but does not have an equal sign.

Front

Solve: (4 x 8) - (5 x 3)

Back

17

Front

What is the purpose of parentheses in mathematical expressions?

Back

Parentheses indicate which operations should be performed first in an expression.

Front

Simplify: (21 + 71) ÷ (18 - 14)

Back

23

Front

What is multiplication?

Back

Multiplication is a mathematical operation that represents the repeated addition of a number.

Front

Solve: 6 + (2 x 3)

Back

12