Maths with Lemon

Limits

What you have to know:

You must be able to manipulate algebraic expressions.
(If not, check this lesson)
You must be able to manipulate exponential expressions.
(If not, check this lesson)
You must be able to manipulate logarithmic expressions.
(If not, check this lesson)

Key Points

1. Watch the video:

2. Read this presentation

2. Read this presentation

2. Read this presentation

2. Read this presentation

2. Read this presentation

Vector equation of a line in 3D.

What you have to know:

Vector equation of a line in 2D

Key Points

1. Watch the video:

2.Watch this solved problemvideo

Scalar product

What you have to know:

How to calculate the magnitude of a vector.

How to find an angle using the inverse function of cosine.

Key Points

1. Watch the video:

2.Perpendicular vectors and dot product. Watch this video

2.Example of perpendicular vectors. Watch this video

Cross product of two vectors

What you have to know:

How to calculate the scalar product of two vectors

How to find an angle using the inverse function of cosine.

Key Points

1. Watch the video:

2.How to find the area of a triangle using the vector product. Watch this video

Angle between two lines

What you have to know:

How to calculate the scalar product of two vectors

How to find an angle using the inverse function of cosine.

Key Points

1. Watch the video:

2.Perpendicular vectors to a line and distance. Watch this video

IB Past Paper Problems

Select a topic and unit, then click the button below to get a new problem.

Choose a Topic: Choose a Unit:

Press the button to start!