Maths

Lo- to investigate how to use letters instead of numbers

Variable- A letter who's value can vary

Term- Algerbraic quantity which contain a letter (or a combination of letters) and may contain a number

Expression- Combination of letters and signs, often with numbers

Equation- Combination of letters and numbers with signs including an equals sign

Be able to recognise and collect like terms

Example

3g+2g+2r+3g+4r=

3g+2g+3g= 8g

2r+4r= 6r

3g+2g+2r+3g+4r= 8g+6r

2x+7