Order of Operations with decimals

Front

What is the Order of Operations?

Back

The Order of Operations is a set of rules that determines the sequence in which calculations are performed in a mathematical expression. The order is Parentheses, Exponents, Multiplication and Division (from left to right), Addition and Subtraction (from left to right). Often remembered by the acronym PEMDAS.

Tags

CCSS.7.NS.A.3

Front

What does PEMDAS stand for?

Back

PEMDAS stands for Parentheses, Exponents, Multiplication and Division (from left to right), Addition and Subtraction (from left to right). It is a mnemonic to help remember the order of operations.

Tags

CCSS.7.EE.B.3

Front

Calculate: 3.5 + 3.2 x 1.5

Back

8.3

Tags

CCSS.7.NS.A.3

Front

Calculate: 5.2 (3.6 + 4) - 15

Back

24.52

Tags

CCSS.7.NS.A.3

Front

What is a decimal?

Back

A decimal is a fraction expressed in a special form. It uses a decimal point to separate the whole number part from the fractional part.

Tags

CCSS.4.NF.C.6

Front

How do you add decimals?

Back

To add decimals, align the numbers by the decimal point and add as you would whole numbers, placing the decimal point in the answer directly below the other decimal points.

Tags

CCSS.6.NS.B.3

Front

How do you multiply decimals?

Back

To multiply decimals, multiply the numbers as if they were whole numbers, then count the total number of decimal places in both numbers and place the decimal point in the product accordingly.

Tags

CCSS.6.NS.B.3

Front

What is the result of 0.5 + 0.25?

Back

0.75

Tags

CCSS.5.NBT.B.7

Front

What is the result of 2.5 x 0.4?

Back

1.0

Tags

CCSS.6.NS.B.3

Front

What is the importance of parentheses in order of operations?

Back

Parentheses indicate which operations should be performed first in an expression, ensuring that calculations are done in the correct order.

Tags

CCSS.7.NS.A.3