Order of Operations/ Numerical Expressions

Front

What is the Order of Operations?

Back

A set of rules that determines the sequence in which calculations are performed in a mathematical expression.

Front

What does PEMDAS stand for?

Back

Parentheses, Exponents, Multiplication and Division (from left to right), Addition and Subtraction (from left to right).

Front

Which operation should be performed first in the expression: 5 + 2 x 3?

Back

Multiplication (2 x 3 = 6), then addition (5 + 6 = 11).

Front

What is a numerical expression?

Back

A mathematical phrase that includes numbers and operation symbols but no equal sign.

Front

How do you simplify the expression: 8 + (3 x 2)?

Back

First, multiply 3 x 2 = 6, then add 8 + 6 = 14.

Front

What is the result of the expression: (10 - 2) ÷ 2?

Back

First, subtract: 10 - 2 = 8, then divide: 8 ÷ 2 = 4.

Front

What does it mean to 'double' a number?

Back

To multiply the number by 2.

Front

How would you express 'subtract 4 from 10 and then multiply by 3' in a numerical expression?

Back

(10 - 4) x 3.

Front

What is the first step in solving the expression: 6 + 4 x 2?

Back

Multiplication (4 x 2 = 8), then addition (6 + 8 = 14).

Front

What is the value of the expression: 3 x (4 + 2)?

Back

First, add: 4 + 2 = 6, then multiply: 3 x 6 = 18.