equations vs expressions

What is the difference between an equation and a expression ?

• An expression can be solved

• An equation has a variable and an expression doe not.

• An expression does not have an equal sign and a equation does

What statement(s) are true about expressions. Click on all that apply

• Expressions can be simplified

• Expressions can be solved

• Expressions can have letters, numbers, and operators

• 7X+5+3X-2 is an example of an expression

A (a)   is an unknown number.

Solve for the following : 3X+5-3= 4X

• X=-2

• X=2

• X=8

• X=-8

Solve for the following word problem. If 4 is subtracted from twice a number, the result is 10 less than the number. Find the number.Let your variable be a.

• 4-2a=10-a

• 4-2a-10-a

• a=6

• a=-6

Select all the examples of an expression

• 213- 45

• 26b-3+6b=27

• 7(3)+3( b- 3)

• 2x+3

• All of the above

Tags

CCSS.6.EE.B.6

CCSS.6.EE.A.2

Billy ran 7 miles an hour, and the race took him z hours to complete. How long was the race. Write your answer as an expression

• unable to write as an expression

• 7= z

• 7z

• 7+ z

True or false: You can only simplify expressions.

• True

• False

A_______ must contain two or more ________connected by an equal sign

(a)  

In your own words, describe the main difference between an equation and an expression. From a 1-10, 10 being extremely comfortable. How comfortable do you feel being able to identify the differences and similarities between expressions and equations. Explain