jueves, 29 de marzo de 2012

Propiedades conmutativa y asociativa

Sabiendo que  a+b=5 y a+d=7 calcular cada una de las siguientes operaciones aplicando las propiedades conmutativa y asociativa.
a)(a+1)+(b+d)+(a+4)=
b)(a+d)+a+(d+b)+a=
c)(b+3+d)+(2+a)+(a+1)=
d)(d+a+1)+(b+d)+(a+3)+(a+1)=

Sumas algebraicas

Una suma algebraica es una combinación de sumas y restas Recuerda que para resolverla debes primero cancelar si se puede y luego a la suma de los positivos le restas la suma de los negativos.A resolver!
1)5-2+3-5+10-1-4+2+6-3=
2)8-2-4+2-1+3-2=
3)12-2-7+1+10+2-2+7=
4)6-3-4+3+5-3-7+6=

HAVE-HAS GOT



If you want to practise HAVE/HAS GOT, go to this page

EXERCISES



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VERB TO BE STORY



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VERB TO BE 4 AFFIRMATIVE-INTERROGATIVE



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VERB TO BE 1 PRONOUNS



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ANIMAL FACTS



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VERB TO BE 3



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VERB TO BE 2



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lunes, 26 de marzo de 2012

VOCABULARY

WRITE THE WORDS IN THE CORRECT GROUP

desk green ten ruler he have am book pencil red French brown can is they six blackboard she pen we seventeen yellow Chinese one eraser are dictionary has Spanish

SCHOOL OBJECTS:

COLOURS:

NATIONALITY:

VERBS:

PERSONAL PRONOUNS:

NUMBERS


PERSONAL INFORMATION

INTRODUCE YOURSELF!

My name is......................................................

I am.................................................................(=I´m.............................................)

I´m .....................................years old.

I´m from Argentina. I´m Argentinian.

WRITE THE INTRODUCTIONS

1) Helen Parker-17- Italy-Italian
2) María Lamas-39-Madrid-Spanish
3) Mario Lan.-28-Rio de Janeiro-Brazilian
4) Billy Smith -45-New York-American
5) Susana Martinez-37- Santiago- Chilean

About you:

1) Hello, I´m ..........................................................................(name)

2) I´m ....................................................................................(nationality)

3) I´m from.............................................................................(town and country)

4) I speak .............................................................................(language)

5) I´m .....................................................................................(age)

About your school:

6) I´m a student at .............................................................

I´m in class...........................................................................

My teacher´s name is...............................................................

About your interests:

7) I´m a fan of............................................................................

9) My favourite band or singer is ...................................................................