Mass Which weighs more a ton of feathers

Mass Which weighs more a ton of feathers or a ton of bricks? ?

Explaining Mass • Mass is how heavy something is. • Mass is measured in grams (g), kilograms (kg) and milligrams (mg). • How many grams in a kilogram? • How many milligrams in a gram? ▫ If you need help on this one, think how many mm in a metre.

Tyson Fury – Boxer – 6 ft 9 – 116 kg

Tyson Fury – Boxer – 6 ft 9 – 116 kg

In your books • Convert these from centimetres to metres. • Remember 1 centimetre=0. 01 metres • 1. 100 cm = ______ 6. 230 cm = ______ • 2. 200 cm = ______ 7. 140 cm = ______ • 3. 300 cm = ______ 8. 325 cm = ______ • 4. 400 cm = ______ 9. 150 cm = ______ • 5. 500 cm = ______ 10. 105 cm = ______

In your books • Convert these from metres to centimetres. • • • 1. 1 m = ______ 6. 2 m 48 cm = ______ 2. 2 m = ______ 7. 2 m 92 cm = ______ 3. 3 m = ______ 8. 4 m 75 cm = ______ 4. 4 m = ______ 9. 3 m 32 cm = ______ 5. 5 m = ______ 10. 1 m 50 cm = ______

Complete the table kg kg (fraction) (decimal) 1 kg 1 ½ kg kg 0. 75 kg g 1000 g 250 g

Mass Word Problems • I am baking a cake and I put 300 g of flour in a bowl and 200 g of sugar. What is the mass of the ingredients?

• A baby is born weighing 3 Kg. He puts on 200 g every week for four weeks – how much does he then weigh?

• I sent two parcels to my friend in Australia. One parcel weighed 1 kg and the other 500 g. What was the mass of the two parcels?

• I was sent three presents for my birthday! The presents weighed 100 g, 200 g and 1 kg. What was the mass of all my presents together?

• Talia and mark are in a piggy back race. What is their combined mass if Talia is 28 kg and Mark is double that?

• The total mass of the 9 girls in a netball team is 468 kg. What is the average mass of each player?

• Find the cost of 1. 5 kg of steak at $20/kg, 2 kg of sausages at $12/kg and 500 g of mince at $10/kg