Actividad Quinto Suma y resta Suma de fracciones. Si dos fracciones tiene el mismo denominador, se suman los numeradores y se deja el mismo denominador. Si la fracción resultado se puede simplificar, se simplifica.

Si las fracciones tienen distinto denominador se reducen a común denominador y se suman los numeradores dejando el denominador. Finalmente, si es posible se simplifica.

Resta de fracciones. Si dos fracciones tienen el mismo denominador, se restan los numeradores y se deja el mismo denominador. Si la fracción resultado se puede simplificar, se simplifica.

Si las fracciones tienen distinto denominador se reducen a común denominador y se restan los numeradores dejando el denominador. Finalmente, si es posible se simplifica.

Realiza la siguiente operación

1 – Calcula

Cuando lo creas conveniente, utiliza el múltiplo común menor (MCM) de los

denominadores.

a) 1/3 + 1/4 =

b) 3/4 + 1/8 =

c) 3/8 – 1/12 =

d) 3/8 + 5/6 =

e) 3/5 + 5/6 + 1/2 =

f) 5/4 + 1/2 + 3/8 =

g) 5/4 + 5/6 + 3/8 =

h) 5/12 + 7/15 + 9/10 =

2 – Calcula a) 4/5 + 5/6 + 1/10 =

b) 3/20 + 4/5 + 3/10 =

c) 7/20 + 13/15 – 1/5 =

d) 7/60 + 43/50 – 7/30 =

e) 3/4 + 1/2 – 1/6 =

f) 2/3 + 4/5 – 4/15 =

3 – Calcula a) 1 – 1/2 =

b) 1 – 1/4 =

c) 1- 1/3 =

d) 2 – 3/4 =

e) 2 – 5/4 =

f) 3 – 5/3 =

g) 9/2 – 2 =

h) 11/2 – 1 =

i) 11/9 – 1 =

j) 8/3 – 2 =

4 – Resuelve los siguientes problemas

a) Un tren recorre un trayecto en tres etapas. En la primera recorre los 4/15 del

camino total y en la segunda, los 9/25. ¿Qué fracción recorre en la tercera etapa?.

b) En un acuario 1/6 de los peces es de color rojo. 1/4 es negro y el resto, de varios

colores a la vez. Responde:

¿Qué fracción representa a los peces de varios colores?

¿Qué fracción representa los que no son rojos?

¿Qué fracción representa los que no son negros?

c) Un ciclista ha recorrido en la primera hora los 5/18 de un trayecto, en la segunda,

los 7/25 y en la tercera hora, los 11/45 del trayecto. Averigua:

La fracción total del trayecto que ha recorrido en las 3 horas.

La fracción del trayecto que le falta cubrir.

English sixth Grade

Esta guía debe ser entregada al finalizar la segunda hora Julio 24/13

1. Using the chart above, complete the sentences about Tom and Mary using the appropriate

frequency adverb.

Frequency adverbs tell us how often an action takes place.

ALWAYS USUALLY NORMALLY

OFTEN SOMETIMES OCASIONALLY RARELY NEVER

On Saturdays Tom Mary play football 100% 0% go to the beach 90% 75% swim at the club 50% 10% go to the shopping mall 20% 100% go to the movies 30% 90% surf the Internet 90% 50%

1. Tom plays football on Saturdays.

2. Mary plays football on Saturdays.

3. Tom goes to the beach on Saturdays.

4. Mary goes to the beach on Saturdays.

5. Tom swims at the club on Saturdays.

6. Mary swims at the club on Saturdays.

7. Tom goes to the shopping mall on Saturdays.

8. Mary goes to the shopping mall on Saturdays.

9. Tom goes to the movies on Saturdays.

10. Mary goes to the movies on Saturdays.

11. Tom surfs the Internet on Saturdays.

12. Mary surfs the Internet on Saturdays.

2. Underline the correct alternative.

1. My brother usually sleepssleeps usuallylate at weekends. 2. Dad always readsreads always the newspapers in the morning. 3. He helps sometimessometimes helpsmum wash the dishes. 4. We go oftenoften goto the beach on sunny days. 5. My sister alwaysAlways my sistegoes to the movies on Saturdays. 6. Never weWe nevergo to the club during the week. 7. I rarely get upget up rarelyearly on Sundays. 8. I do normallynormally domy homework right after school. 9. My parents sometimes eat outeat out sometimeson Saturday night. 10. Uncle Ben plays always always play tennis in the morning.

3. Rewrite each sentence with the adverb of frequency (in brackets) in its correct position.

1. I go to the club on Sundays. (often). 2. Dad works at the weekend. (rarely) 3. My sister goes to the movies with her friends on Saturdays. (always) 4. I eat pizza with onions. (never) 5. My brother tidies his room in the morning. (sometimes)

A. Put the adverb of frequency on the right place 1. He listens to the radio. (often) _____________________________ 2. They read a book. (sometimes) _____________________________ 3. Pete gets angry. (never) _____________________________ 4. Tom is very friendly. (usually) _____________________________ 5. I take sugar in my coffee. (sometimes) _____________________________ 6. Ramon is hungry. (often) _____________________________ 7. My grandmother goes for a walk in the evening. (always) _____________________________ 8. Walter helps his father in the kitchen. (usually) _____________________________ 9. They watch TV in the afternoon. (never) _____________________________ 10. Christine smokes after dinner. (seldom) _____________________________

B. Put the adverb of frequency on the right place 1. He plays golf on Sundays. (sometimes) _____________________________ 2. The weather is bad in November. (always) _____________________________ 3. It rains in California. (never) _____________________________ 4. We have fish for dinner. (seldom) _____________________________ 5. She will see him. (rarely) _____________________________ 6. Peter doesn´t get up before seven. (usually) _____________________________ 7. They do not play tennis on Sundays. (always) _____________________________ 8. Mary watches TV. (hardly / ever) _____________________________ 9. I go to school by bus. (always) _____________________________ 10. I get up at seven. (usually) _____________________________ 11. I watch TV in the evening. (often / frequently) _____________________________ 12. I have lunch in a restaurant. (sometimes) _____________________________ 13. I have breakfast. (seldom) _____________________________ 14. I arrive late. (never) _____________________________ 15. I have homework. (every day) _____________________________

C. Put the adverb of frequency on the right place 1. Charlotte goes to the pool. (sometimes)_____________________________ 2. It rains in Florida. (often) _____________________________ 3. I have a shower in the morning. (always) _____________________________ 4. I go to bed late. (always) _____________________________ 5. Rafa goes swimming. (every week) _____________________________ 6. Montse travels by air. (often) _____________________________ 7. Frank does exercises. (every day) _____________________________ 8. Marta and Maite have lunch. (often)

_____________________________ 9. Tony doesn´t get up before seven. (usually) _____________________________ 10. The weather is bad in July. (never) _____________________________ 11. I have met him before. (never) _____________________________ 12. I never lend money to Peter because he pays me back. (never) _____________________________ 13. James plays golf on Sundays. (sometimes) _____________________________ 14. Is he angry? (often) _____________________________ 15. We don´t play sports. (often) _____________________________ 16. We eat at a restaurant. (sometimes) _____________________________ 17. Shane is happy. (always) _____________________________ 18. She doesn´t take a taxi. (always) _____________________________ 19. Dad cooks dinner. (sometimes) _____________________________ 20. Gonzalo looks good. (always) _____________________________ 21. I am busy Monday morning. (always) _____________________________ 22. I go to work by subway. (sometimes) _____________________________ 23. They stay up all night. (sometimes) _____________________________ 24. He is on time for meals. (always) _____________________________ 25. They eat meat. (never) _____________________________