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Whiteboardmaths.com © 2007 All rights reserved 5 7 2 1.

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Presentation on theme: "Whiteboardmaths.com © 2007 All rights reserved 5 7 2 1."— Presentation transcript:

1 Whiteboardmaths.com © 2007 All rights reserved 5 7 2 1

2 1 kg Weight 1 kilogram = 1000 grams 1 kg = 1000 g 900 100 800 200 700
900 100 800 200 700 300 grams 600 400 500

3 400 grams Parcels Weight 1 kilogram = 1000 grams 1 kg = 1000 g 900 100
900 100 How much does the parcel weigh? 800 200 700 300 grams 600 400 500 Parcels

4 700 grams Weight 1 kilogram = 1000 grams 1 kg = 1000 g 900 100
900 100 How much does the parcel weigh? 800 200 700 300 grams 600 400 500

5 500 grams Weight 1 kilogram = 1000 grams 1 kg = 1000 g 900 100
900 100 How much does the parcel weigh? 800 200 700 300 grams 600 400 500

6 900 grams Weight 1 kilogram = 1000 grams 1 kg = 1000 g 900 100
900 100 How much does the parcel weigh? 800 200 700 300 grams 600 400 500

7 450 grams Teddies Weight 1 kilogram = 1000 grams 1 kg = 1000 g 900 100
Emma recently moved to Norwich from London. 450 grams She has bought some teddy bears to send to her old friends for Christmas. 900 100 800 200 Help Emma find the weight of each teddy so that she can get an idea of how much they will cost to post. 700 300 grams 600 400 500 Teddies

8 150 grams Weight 1 kilogram = 1000 grams 1 kg = 1000 g 900 100 800 200
Emma recently moved to Norwich from London. 150 grams She has bought some teddy bears to send to her old friends for Christmas. 900 100 800 200 Help Emma find the weight of each teddy so that she can get an idea of how much they will cost to post. 700 300 grams 600 400 500

9 750 grams Weight 1 kilogram = 1000 grams 1 kg = 1000 g 900 100 800 200
Emma recently moved to Norwich from London. 750 grams She has bought some teddy bears to send to her old friends for Christmas. 900 100 800 200 Help Emma find the weight of each teddy so that she can get an idea of how much they will cost to post. 700 300 grams 600 400 500

10 300 grams Weight 1 kilogram = 1000 grams 1 kg = 1000 g 900 100 800 200
Emma recently moved to Norwich from London. 300 grams She has bought some teddy bears to send to her old friends for Christmas. 900 100 800 200 Help Emma find the weight of each teddy so that she can get an idea of how much they will cost to post. 700 300 grams 600 400 500

11 1 kg Weight 1 kilogram = 1000 grams 1 kg = 1000 g 900 100 800 200 700
Emma recently moved to Norwich from London. 1 kg She has bought some teddy bears to send to her old friends for Christmas. 900 100 800 200 Help Emma find the weight of each teddy so that she can get an idea of how much they will cost to post. 700 300 grams 600 400 500

12 Which parcel is the heaviest and how much does it weigh?
100 200 300 400 500 600 700 800 900 grams a b Which parcel is the heaviest and how much does it weigh? 900 100 800 200 700 300 grams 600 400 500 b 850 g c d e 900 100 900 100 900 100 800 200 800 200 Group 800 200 700 300 700 300 700 300 grams grams grams 600 400 600 400 600 400 500 500 500

13 Which parcel is the lightest and how much does it weigh?
100 200 300 400 500 600 700 800 900 grams a b Which parcel is the lightest and how much does it weigh? 900 100 800 200 700 300 grams 600 400 500 e 150 g c d e 900 100 900 100 900 100 800 200 800 200 800 200 700 300 700 300 700 300 grams grams grams 600 400 600 400 600 400 500 500 500

14 How much heavier is parcel (c) then parcel (a)?
100 200 300 400 500 600 700 800 900 grams a b How much heavier is parcel (c) then parcel (a)? 900 100 800 200 700 300 grams 600 400 500 500 – 300 = 200 g c d e 900 100 900 100 900 100 800 200 800 200 800 200 700 300 700 300 700 300 grams grams grams 600 400 600 400 600 400 500 500 500

15 75 grams 500 g scale Weight 1 kilogram = 1000 grams 1 kg = 1000 g 500
How much does the parcel weigh? 500 400 100 grams 300 200 500 g scale


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