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# Weight

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### Weight

1. 1. WEIGHT
2. 2. We use grams and kilograms to weigh objects
3. 3. <ul><li>1 kilogram = 1000 grams </li></ul><ul><li>1 kg = 1000g </li></ul>
4. 4. So….. ½ kg = 500g ¼ kg = 250g
5. 5. ½ kg 500g =
6. 6. ¼ kg = 250 g
7. 7. 5 pears weigh 700 g These 3 boxes weigh 8 kg 100g This orange weighs 60 g. This bag of chips weighs 350g
8. 8. Which is heavier? Full of paper money Full of coins The money box is heavier than the bag.
9. 9. Choose the heavier 1 kg of bananas 950g of grapes
10. 10. The heaviest is……. ½ kg 750g 1kg
11. 11. Choose the lighter 1 ½ kg of vegetables 1 kg 300 g 1kg 500g
12. 12. The point seperates the grams from the kilograms 1135g 2160g 1405g 7300g 1185g 7320g 6850g 1.135kg 2.160kg 1.405kg 7.300kg 1.185kg 7.320kg 6.850kg 1kg 135g 2kg 160g 1kg 405g 7kg 300g 1kg 185g 7kg 320g 6kg 850g
13. 13. Examples How many 200 g will balance: 600g = 3 1 kg = 200g, 200g, 200g 200g, 200g, 200g, 200g, 200g 5 1 kg 400 g 1 kg 400g 200g, 200g 2 5 7 +
14. 14. How many 100g weights will balance: 200g = 300 g = ½ kg = 1 ½ kg = 500g = 1 kg 200g = 2 kg = 2 3 5 500g = 1 kg 500g = 15 5 10 + 2 = 12 10 + 5 = 2000g = 20
15. 15. Here are some weights 50g, 100g, 200g, 500g Which of these weights would you use to balance: 1) 150g = 2) 350g = 3) 900g = 4) 1 kg = 5) ½ kg = 100g 50 g 200g 100g 50g 500g 200g 200g 500g 500g 500g
16. 16. Which 3 of these weights would you use to balance: Here are some weights : 50g, 100g, 200g, 500g, 1kg 1) 800g = 2) 1½ kg = 3) 1kg 50g = 4) 300g = 5) 900g = 6) 2kg 500g = 7) 3kg = 8) 2 kg = 500g, 200g, 100g 500g, 500g, 500g 500g, 500g, 50g 100g, 100g, 100g 500g, 200g, 200g. 1kg, 1kg, 500g 1kg, 1kg, 1kg 1kg, 500g, 500g
17. 17. Ann weighs 35kg 150g Rick weighs 29kg 370g Helen weighs 43kg 200g 1. Who is the lightest? 2. Who is the heaviest? 3. How much heavier is Helen than Ann? 4. What is the total weight of Rick and Ann? Rick Helen 43kg 200g - 35kg 150g 8kg 50g 29kg 370g+ 35kg 150g 64kg 520g
18. 18. The End