Results

By the end of this short course, you will be able to:

• Use negatives and opposites
• Simplify: expressions with absolute value
• Add integers
• Subtract integers

This course covers how to add, subtract, multiply and divide whole numbers.

Outcomes

In this unit you will learn about:

• The concept and applications of adhesion
• The concept and applications of cohesion

Outcomes

In this lesson you will learn how to:

1. Identify and write algebraic expressions.
2. Recognise and work with like and unlike terms.
3. Simplify algebraic expressions.
4. Solve linear equations.

This video explains the angles of elevation and depression.

Outcomes

In this lesson you will learn about:

1. Rounding off numbers.
2. Estimating answers to calculations.

This YouTube video explores the concepts of approximations and estimations.

Forces at a distance are explained by fields (gravitational, electric, and magnetic) permeating space that can transfer energy through space. Magnets or electric currents cause magnetic fields; electric charges or changing magnetic fields cause electric fields.