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.

Tags

CCSS.7.NS.A.3

Front

What does PEMDAS stand for?

Back

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

Tags

CCSS.6.EE.A.1

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).

Tags

CCSS.5.OA.A.1

CCSS.5.OA.A.2

Front

What is a numerical expression?

Back

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

Tags

CCSS.6.EE.A.1

Front

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

Back

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

Tags

CCSS.5.OA.A.1

CCSS.5.OA.A.2

Front

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

Back

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

Tags

CCSS.5.OA.A.1

CCSS.5.OA.A.2

Front

What does it mean to 'double' a number?

Back

To multiply the number by 2.

Tags

CCSS.3.OA.D.9

Front

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

Back

(10 - 4) x 3.

Tags

CCSS.5.OA.A.1

CCSS.5.OA.A.2

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).

Tags

CCSS.5.OA.A.1

CCSS.5.OA.A.2

Front

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

Back

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

Tags

CCSS.5.OA.A.1

CCSS.5.OA.A.2