**Tuesday**

**Year 3 - WALT: know the number of seconds in a minute and the number of days in each month, year and leap year.**

**Year 4 - WALT: find the area of rectilinear shapes.**

**Year 3**: Today, we will look at converting time. In **Resources**, there is a powerpoint on '**Telling the Time**' Read through it before answering the activities. There are 2 activities on the sheets as well as the answers in another file.

Remember the following conversions:

**60 seconds = 1 minute**

**60 minutes = 1 hour**

**24 hours = 1 day**

**7 days = 1 week**

**28/29/30/31 days = 1 month**

**12 months = 1 year**

**365 days = I year**

**366 days = 1 leap year.**

Therefore, if we want to work out how many hours and minutes are in 400 minutes, we would work out the following:

1 hour = 60 minutes

2 hours = 120 minutes

3 hours = 180 minutes

4 hours = 240 minutes

5 hours = 300 minutes

6 hours = 360 minutes

We cannot make another hour has we only have 40 minutes left, so 400 minutes = 6 hours and 40 minutes.

You can use your 6x tablets help you.

**Year 4**: We have worked on perimeter over the last couple of weeks and today we are going to look at area. Whilst perimeter is the distance around the outside of a shape, area is the the total amount inside a shape. We will look at rectilinear shapes, which are shapes made up of squares and rectangles. This means that you can find the area of each shape before adding them together. There are different challenges, some with squares to help calculate the area and others without squares.

Look at the following clip and quizzes on the BBC website which gives an introduction to area. We have looked at this in class however this will be a revision: https://www.bbc.co.uk/bitesize/topics/zjbg87h/articles/zwqt6fr.

The following clip will show you how to calculate the area of rectilinear shapes: https://www.youtube.com/watch?v=wo754wo3d3w.

There are a number of activities in **Resources** from which you can choose those with which you are comfortable. If you do not understand this topic totally, do not worry; tomorrow's lesson will be a zoom call to go through this.

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