Expressions, Equations, and Inequalities in the Real World

• 5 + a = 3

• 5a = 3

• $5\div a=3$

• 5 - a = 3

• C + b = 250

• 3b = 250

• C = 3b

• C + 3b = 250

• $5M\ =\ e$

• $M\div5=e$

• $M\ +\ 5\ =\ e$

• $M\ -5=e$

• $20,000n=300$

• $20,000+n=300$

• $20,000\div n=300$

• $20,000-n=300$

Which two equations represents this? Choose two answers!

•  $8-fr=3$  

•  $8\div fr=3$  

•  $8-f+r=3$  

•  $8-f-r=3$  

Tags

CCSS.HSA.CED.A.3

Write a mathematical statement to express the inequality. Use "x" for the unknown number/variable.

An unknown number is less than 4

(a)  

Tags

CCSS.6.EE.B.8

Write a mathematical statement to express the inequality. Use "x" for the unknown number/variable.

8 is greater than an unknown number

(a)  

Tags

CCSS.6.EE.B.8

Does this image correct graph the following:

An unknown number is greater than 3

• Yes

• No

Tags

CCSS.6.EE.B.8

Select all the values of x that satisfy the inequality:
 $x>52$  

• x = 55

• x = 52

• x = 53

• x = 50

• x = 54

Tags

CCSS.6.EE.B.5

Select all the values of x that satisfy the inequality:
 $x<5\ and\ x>2.5$  

• x = 4

• x = 2.51

• x = 1

• x = 5

• x = 4.9

Tags

CCSS.6.EE.B.5