Key words for world problems of inequalities:

• at least - means greater than or equal to
• no more than - means less than or equal to
• more than - means greater or higher than
• less than - means minor than

Exams Dates

January 31: Recovery Exam
February 8: Inequations Exam

First part of the Voluntary worksheet of Inequations:

Worksheet 1 (part1)

and...

                         Saving a trapped                              

bird in 

uor playground:

First degree inequalities with one variable

Exercise 1

Exercise 2

                                  Happy New 2 + 0 +1 +9 (= 12)!

and ...

Welcome to the wonderful inequalities´world 

Today´s homework:

Read the explanation on page 66, do exercises 1 ,3 and watch these videos:

 Video: Solving First Grade Equations

 Just for fun:

                                                    Video: What animal are you?

                                                    Video: Choose a Key

CHRISTMAS TASKS

You can (VOLUNTARY) review the content of the Recovery Exam of Academic Maths 4º ESO even if you passed the exams with:

• REAL NUMBERS
• 
  
• SURDS 1
• 
  
• SURDS 2
• 
  
• POLYNOMIALS AND ALGEBRAIC FRACTIONS
• 
  
• ALGEBRAIC FRACTIONS 1
• 
  
• ALGEBRAIC FRACTIONS 2
• 
  
• EQUATIONS 1
• 
  
• EQUATIONS 2
• 
  
• SIMULTANEOUS EQUATIONS 1
• 
  
• SIMULTANEOUS EQUATIONS 2
• 
  
• EQUATIONS AND SYSTEMS PROBLEMS 1
• 
  
• EQUATIONS AND SYSTEMS PROBLEMS 2

Read the content and criteria of this subjet in our IES:

Contents, evaluation and qualification criteria of academic mathematics 4th ESO

Exercises for the exam:

RADICALS

LOGS´ DEFINITION AND PROPIERTIES

EQUATIONS

MORE EQUATIONS

AND MORE...

BIQUADRATIC EQUATIONS

IRRATIONAL EQUATIONS