1.3 Order of Operations (Big Ideas Math)

1.3
Order of Operations
What is the effect of inserting parentheses into a numerical expression?
¿Cuál es el efecto de insertar paréntesis en una expresión numérica?

​Video is in spanish

Reorder

Reorder the following in the correct Order of Operations

• parentheses

• Exponents

• Multiply or Divide

• Add or Subtract

1

2

3

4

• 1
• 2
• 3
• 4

1st Step: Parentheses ( ) or any other grouping symbols [ ] { } Anything inside will be your first task, no matter the operation. If there is no parentheses, move on to the next step.

Add this into your notebook

2nd Step: Exponents. Anything with a number above it like this; x^y
If there are no exponents, move on to the next step

3rd Step: Multiplication/Division. Whichever operation is further to the right, is the one you do first.

Final Step: Addition/Subtraction. Whichever operation is further to the right is the one you do first.

​This side is where your math goes

Este lado es donde van tus matemáticas.

​This side is where the OPERATION goes

Este lado es donde va la OPERACIÓN

Multiple Choice

Which direction do you solve equations?

• Left to right

• Right to left

​6+2⁴-1

​Original Expression

Add this into your notebook- All steps included!

When two are in the same expression, you go left to right. Addition is first, so that is our next step. Solve.

​exponents

​6+2⁴-1

​Addition

​22-1

​6+16-1

Match

Match the basic operations to the correct sign:

• $$-$$

• $$+$$

• $$\times$$

• $$\div$$

subtraction

addition

multiplication

division

• subtraction

• addition

• multiplication

• division

Labelling

Drag and label each step of the calculation with the name of the operation.

Drag labels to their correct position on the image

Exponent

Addition

Parentheses (inside parentheses)

Hotspot

Which operation would you do first?

( 12 + 10) ÷ 10 x 14 - 6

Hotspot

What should you calculate first?

Math Response

Compute: (9 + 2) x (8 - 5)

Type answer here

Correct Answer: 33

Deg^°

Rad

Math Response

Evaluate.

( 7 - 5 ) x 3

Type answer here

Correct Answer: 6

Deg^°

Rad