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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.

Press to watch the video

¿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.

Press to watch the video 1

Press to watch the video 2

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.

Press to watch the video

2. Now do these exercises in your notebook: 

5 (3x – 2y +a)

3x (2a + 7b – 5c)

3.- Do the following Exercise  (choose level 4 and Simplify)

 

 

4.-SOLVING EQUATIONS

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

How to solve equations

Video 1

Video 2

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

Solve the equations

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

Join the equations with their solutions

4. Do the following test

Test 1

Test 2

Test 3 (Choose level 4 and solve x)

5.- Now you can play this game

Game about algebraic reasoning

7 comments

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


  2. Hi Cora. In a few days you’ll understand equations and then you’ll love them


  3. esto 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


  4. i don’t like ecuations teacher=inmaculada jaja


  5. I don’t understand equations!!!i hate it!!!=(


  6. Hi 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


  7. Hi 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



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