Sketch up lesson 2

Sketch up lesson 1

Enlargement

What 2 things do you always need to say to describe an enlargement?

How many times it is and where the starter is

What does centre of enlargement mean?

The centre of enlargement is how big the next one will be

What is a scale factor?

A scale factor is a number which scales, or multiplies, some quantity. 

Explain how to work out the scale factor on a grid, and with no grid. Use diagrams you have screenshot from the myimaths lesson.

With a grid it is more easily because you just look at the small of the bottom and the sides then look at the big one then times it up Eg: 4=8 but when it is small you have draw lines to all of the corners then you measure how big it is to the x and the corner then you double above the corner do it to all then you draw it to the new x you made to make the bigger shape

What happens to the angle sizes in the corner of the shape when you enlarge it?

It stays the same

Translation

Explain what a translation is.

Translation in maths is the one of the ways to move a shape or object. The ways to move the shape is from the vectors the vectors is the thing that makes the translation work Eg: left right and up and down.

Explain how a vector works. What does it look like? What does the top number indicate? What does the bottom number indicate?

Vectors is when they have brackets on the outside and numbers in the inside the numbers tell how far and up or down to where to put the new shape.

Give a real life example of when translation is used.

Lifting up a building to a new area

Time zones

What is a time zone?

A different place has a different time depending where the sun is at.

Why do we have time zones?

The sun is always in one country or two countries so it will awkward if USA is a sleep at 12pm

and we are awake so it will be weird if we all have the same time

How are the time zones set?

When the sun goes directly above the town it will set to 12o clock pm

Which direction does the Earth rotate? (clockwise or anticlockwise)

anticlockwise

How many time zones are there altogether?

24 time zones