Numerical Expressions and Order of Operations

Order of Operations

GEMDAS

GEMDAS are the rules we use to simplify or evaluate complicated numerical expressions.

GEMDAS

• G - grouping

• E - exponents

• M - multiplication

• D - Division

• A - Addition

• S -

Fill in the Blank

What does the S in GEMDAS stand for?

Multiple Choice

The grouping in GEMDAS stands for?

• Commas, Periods, Question Marks

• Exponents, Multiplication, Division

• Brackets, Braces, Parentheses

• Subtraction, Addition, Multiplication

Multiple Choice

What operation would you do first in this expression?

• 15-8

• 
  

  $$8\div4$$

• 4 x 7

Multiple Choice

What operation would you do first in this expression?

• $$15\div5$$

• 5 - 2

• 2 x 12

Multiple Choice

Which operation would you perform first between addition and subtraction?

• You do subtraction first.

• With subtraction and addition, you go left to right.

• You do addition first.

Multiple Choice

Which operation would you perform first?  $$\left(-3\right)\times\left(-2\right)\times\left(1\right)\div2$$  

• $$-3\times-2$$

• $$-2\times1$$

• $$1\div2$$

Multiple Choice

$$Solve:$$   $$\ 2+3\times6\div3$$  

• 10

• 6.6

• 8

Multiple Choice

Solve: $$5-2\left(2^3-5\right)$$  

• -1

• 3

• -9

• 9

Multiple Choice

Solve: $$\left(10-5\right)^2+\left(12\div4\right)$$  

• 13

• 28

• -22

• 7

Multiple Choice

$$Solve:4\left(2\times3^2\right)$$  

• 32

• 72

• 48

• 44

Multiple Choice

$$\left(-12\right)-\left(-6\right)\div3$$  

Solve:

• -2

• 2

• -10

• 10