Algebra basics

Naming the parts

These slides deal with

Terms and expressions

Collecting like terms

Terms

Terms

Sign(if no sign then +)

Terms

Sign(if no sign then +)

Number(if 1 not written)

Terms

Sign(if no sign then +)

Number(if 1 not written)

Letter

Special cases

is really

Expressions

Above is an 'expression',
a collection of terms

Expressions

Above is an 'expression',
a collection of terms

Write the + in, then....

Expressions

Each term is self contained

Expressions

Each term is self contained

The signs are 'glued on' to the term

Collecting like terms

You can re-arrange the terms
- a bit like fridge magnets...

Collecting like terms

Once the letters are together,
you can add them...

Different symbols

These are alldifferent symbols
you must total them separately