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What is the acceleration due to gravity at the space station.

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.

Video 1: How to add decimals
Video 2: Examples of adding decimals
Video 3: Common mistakes made when adding decimals

Video 1: An introduction to adding decimals 
Video 2: Adding decimals with ones and tenths parts
Video 3: Adding decimals (tenths)
Video 4: Adding decimals (hundredths)
Video 5: Adding decimals with ones, tenths and hundredths
Online activity: This activity poses four questions where you are required to add different forms of decimals

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

• Add or subtract fractions with a common denominator
• Add or subtract fractions with different denominators
• Use the order of operations to simplify complex fractions
• Evaluate variable expressions with fractions

Part 1: Adding and subtracting fractions
Part 2: Examples of adding and subtracting fractions
Part 3: Common mistakes made when adding and subtracting fractions

Part 1: Adding integers
Part 2: Examples of adding integers
Part 3: Common mistakes made when adding integers

Outcomes

In this course you will learn about:

1. Expanding brackets.
2. Factorising by grouping.
3. Factorising by finding the difference of two squares.
4. Factorising trinomials.
5. Simplifying algebraic fractions

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.