1. How do we know how heavy things are?
Ask yourself:
ACTIVITY 1: Kilogram is often abbreviated as kg. In your Maths book, write down the heading Kilogram in the Real World and today's date. Write down a list of places where you have seen 'kg' used in the real world.
ACTIVITY 2: Try to find objects around the classroom that you believe weigh around 1 kg. You can use hefting to help you estimate the weight of an object.
- How do we weigh objects?
- Why do we need know how much things weigh?
- What is mass? Find out here.
- What is a kilogram? Find out here. How does a kilogram feel in your hands?
ACTIVITY 1: Kilogram is often abbreviated as kg. In your Maths book, write down the heading Kilogram in the Real World and today's date. Write down a list of places where you have seen 'kg' used in the real world.
- Do you know what hefting is? It is a technique to help you estimate whether an object weighs more than, less than or is equal to another object. Click here to find out more. Write down the definition in your books.
ACTIVITY 2: Try to find objects around the classroom that you believe weigh around 1 kg. You can use hefting to help you estimate the weight of an object.