Numeric and Algebraic Expressions

What are the Order of Operations?

• Parentheses, Exponents, Multiply, Divide, Add, Subtract

• The order does not matter

• Parentheses, Exponents, Multiply/Divide from left to right, Add/Subtract from left to right

• Add, Subtract, Multiply, Divide, Parentheses, Exponents

Evaluate the expression. $4.6\ +\ \left(9.4-3.2\right)$  

• 10.8

• 2.8

• 14

• None of the above

Evaluate the power.

 $0.8^2$  

• 0.81

• 0.64

• 0.16

• 16

Write the exponent for the expression.

 $4\times4\times4\times4\times4\times4$  

• 6

• 4

• I don't know

• 5

Evaluate

 $52.6\ -\ 8.3\ +\ 12.2$ 

• 56

• 46.7

• 56.5

• 32.1

Solve.

 $12+8\times15\div5-8\times2.5$  

• 12

• 16

• 130

• None of the above

Write an algebraic expression for the situation:

23 divided by a number m

• $m\div23$

• $23\div m$

• None of the above

• $m\div23m$

Tell how many terms the expression has:

 $\frac{z}{3}+6\times8$  

• 1

• 3

• 2

• 4

 $3^2-\left(4.5+1.5\right)+24$  

• 31

• -21

• 27

• 25

 $14.2\ +\ \left(7\times8\right)-\left(15\div5\right)$  

Tell how many terms the expression has:

• 2

• 4

• 3

• 5