How is the motion of an object moving in a straight line described and predicted?
Free Fall Vertical Motion - a good practice exercise with an animation.
Relative Velocity - some good animations with the examples.
Equations of Motion - Read this for a discussion about constant acceleration. Note: Some of the Mathematics is at university level; nevertheless, it is good to read through this.
Accelerate, Decelerate - This exercise by MIT is a review of the definitions of position, velocity and acceleration.
How is the motion of an object that changes its direction of movement on a plane described?
Review how to use bearings by watching Maths Help: Bearing Problems - VividMaths.com (7:04).