Maths this week: adding quickly and finding the inverse to check your answers.

This week we will be working on how quickly you can add up and we will look at some strategies to help you.
For example,
6+3+4+7
To work this out really quickly, one strategy you could use is to look for number bonds to 10 first. 6+4=10 and 7+3=10

9+5+2+4
a strategy here might be to use your knowledge of doubling. 5+4 is 9. Then you can add the other 9. Finally, add the 2.

If you know any other strategies then please let me know.


Inverse calculations will help you to check your answers in daily maths lessons and in tests. To use an easy example, 60+40=100
so we also know that:
40+60=100
100-40=60
100-60=40


If you have other quick strategies then please let me know.


Inverse calculations.

Grid References

Don´t worry if you didn´t understand the work we did on grid references today as it was very difficult!

If you wanted to practise a little, go to the "Homework Help" section of Mapzone, click on the English version and then click on "Maptivity". Alternatively, click here or here to read some information first.

Marvellous Mapzone!

Here is another brilliant website all about mapping.
Have a go at some of the activities and let me know what you think!

Marvellous Mapping Websites!

Go to the marvellous Mapping Our World website by Oxfam. It has lots of excellent activities to do to help you!

Selena Gomez and Fernando Torres Interviews

Interviews!

This is part of an interview from CBBC Newsround. As you know we are learning how to be journalists over the next four weeks so this is an example we will study together.

Tomorrow we will be interviewing a pirate in class so please think of some questions to ask him/her!

See you tomorrow!

Gases Around Us Animations

Go to this website to watch amazing animations to help you learn! Click where it says "CARTOON ANIMATIONS" in blue.

The other website is for older children but it is quite interesting to see how matter changes as you alter the temperature.