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Week 9 - 15.06.20

Halving and Quartering 

This week we will be looking at what it means to half a shape or an amount/number and then we will move on to explore how to find a quarter of a shape or an amount/number. To help you with ‘halving an amount’ you may wish to recap the learning we completed in Week 3.

As always, we would love to see some pictures of any home learning you complete this week smiley 

Monday: 

Today we will be exploring how to find half of different shapes. Halving is when you split/divide something into two equal parts – it is very important that both parts are exactly the same so that it is fair. Whenever you halve something, you will create two equal pieces.

 

For today’s activity, we would like you to draw yourself a table similar to the image below. One side of your table should say ‘shapes which are divided in half’ and the other should say ‘shapes that are not divided in half.’ Then look at the shapes below and decide which side of the table they should go into – are the two parts either side of the red line exactly the same/equal? You could have a go at drawing these shapes as they appear on the screen and putting them into the correct column of the table or you may wish to simply discuss this together verbally.

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ChallengeCan you draw your own shapes (circle, square, hexagon, pentagon, rectangle etc.) with a halving line through them? Some of your shapes should be split exactly in half but try to make it so that some of them do not have two equal parts. Then you can cut your shapes out and stick them into the correct side of your table. Make sure your drawings are accurate and you might want to use a ruler to draw your straight line through your shapes! 

 

Challenge 2 - You could have a go at cutting out some shapes using paper and seeing how many different ways you can fold your shape in half. You might also want to do something similar to the activity below where you cut different paper shapes in half, hide them around the house or in the garden and then encourage your child to find the other half of each of the shapes they find smiley 

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Tuesday: 

Today’s learning is recapping the skills we learnt in 'Week 3' when we used a halving circle to find half of different amounts/numbers. Remember, to find half of an amount you need to draw a circle with a line through the middle (splitting it in half) and then draw dots each side of the circle, counting until you reach the number you are trying to halve.

 

Have a go at halving some of the numbers mentioned below. If you are going to challenge yourself to half some of the bigger numbers that are listed, you must ensure that you are counting carefully as it will be easy for you to miscount or make small errors – take your time!

 

*Do not feel as if you need to complete all of these problems, just pick the column that best suits your child’s needs.*

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Challenge – Using the same method, have a go at halving these numbers:

1, 3, 5, 7, 9, 11, 13, 15, 17, 19.

What do you notice? Is there a pattern that emerges? Can you halve these numbers? Why/why not? What is similar/what is the link between all of these numbers?

Wednesday: 

Today we are moving on from looking at halving and instead we are going to focus on quartering. Quartering means that you are dividing something into four equal parts. Therefore, when you are quartering a shape or an amount you need to create four equal parts – they should all be the same. Just like when we half a shape or an amount it is important that you share between those four parts equally so that it is fair – just like if you were sharing sweets between four people!

 

Look at the shapes below. Which shapes are split into quarters and which are not?

Challenge Draw these shapes yourself, or draw some of your own shapes and shade in one quarter using your pencil or colouring pencils. Try to be as accurate as you can with your drawings.
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Thursday: 

Today we are going to continue to look at finding a quarter, but instead of finding a quarter of different shapes we are going to find a quarter of amounts/numbers. To do this, we need to use the same technique as with halving but instead of drawing one line down the centre of the circle, you need to draw two lines that cross through the middle (see image). You need to then draw dots in each part of the circle whilst counting, until you reach the number that you are trying to quarter. Make sure that you a sharing equally between each of the four parts of the circle in order to make it fair!

 

Have a go at quartering some of the numbers mentioned below. If you are going to challenge yourself to quarter some of the bigger numbers that are listed, you must make sure you are counting carefully as it will be easy for you to miscount or make small errors – take your time!

 

*Do not feel as if you need to complete all of these problems, just pick the column that best suits your child’s needs.*

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Friday: 

Today we want you to actively explore finding a half/a quarter of different things around your house. For example you could use your arm as your halving line to split your TV in half or you could even use both of your arms to split your sandwich into quarters. 

If you want to challenge yourself you could always grab a variety of different items and see if you can find half/a quarter of the amount that you have gathered. 

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