## UNIT 7. EQUATIONS

**1.- VARIABLES**

1. Watch the following video, copy the questions of the test in your notebook and then, try to answer the following questions.

¿Qué es álgebra?

¿Qué es una variable?

¿Cómo se dice álgebra y variable en inglés?

**2.-COLLECTING LIKE TERMS**

1. Watch the following video, copy the questions of the test in your notebook and then, try to answer the following questions.

2. You have learnt some new words, copy them in your notebook:

“Term” is término

“Like term” is “término semejante”

“Unlike term” is “término no semejante”

“Collect like terms” in Spanish is called “Reducir términos semejantes” .

3. Now, try to answer these questions in your notebook:

¿Qué son términos semejantes? Pon un ejemplo

¿En qué consiste la operación de “reducir términos semejantes”? Pon un ejemplo

2.- Do the following exercise and copy three examples in your notebook

3.- Do the following test

**3.-EXPANDING BRACKETS
**

1. Watch the following video and copy the questions of the test in your notebook.

2. Now do these exercises in your notebook:

5 (3x – 2y +a)

3x (2a + 7b – 5c)

**4.-SOLVING EQUATIONS
**

1. Read the following lesson explaining how to solve equations and then you can watch the videos

2. Do the following exercise. Copy the equation in your notebook, find out the solution and then check the answer in the computer. At the end, write down your mark

3. Now try this one. Don’t copy anything

Join the equations with their solutions

4. Do the following test

Test 3 (Choose level 4 and solve x)

5.- Now you can play this game

Game about algebraic reasoning

I´m sorry, but I don´t like ecuations or variables…! =(

by Cora March 18, 2009 at 6:21 pmHi Cora. In a few days you’ll understand equations and then you’ll love them

by Inmaculada Crespo Calvo March 18, 2009 at 6:48 pmesto de algebra es un poco dificil de entender por un signo mal puesto ya esta mal la cuenta en una ecuación pasa lo mismo si alguien lo entiende que me lo diga a mi yolanda de 1E

by yolanda March 19, 2009 at 9:22 ami don’t like ecuations teacher=inmaculada jaja

by jose david March 26, 2009 at 9:21 amI don’t understand equations!!!i hate it!!!=(

by Rosina=) March 31, 2009 at 4:54 pmHi Inmaculada:

I’m a Math Teacher at a Secondary School in Asturias and I really like your URL. Congratulations for your work. I hope you don’t mind my using it with my 1º ESO pupils.

Best wishes

by Manuel March 24, 2010 at 9:02 amHi Manuel:

I’m really glad you like my website, in any case, I always want to change things. Thank you very much for your comment. Of course you can use it with your pupils and tell me any suggestion you have.

Kind regards

by Inmaculada Crespo Calvo March 24, 2010 at 10:12 am