• Terms

Terms are numbers, letters and brackets that are mulitplied together, for example

Term		What it means
4a		=   4 × a
3bc		=   3 × b × c
5a2		=   5 × a × a
6(d + 5)		=   6 × d + 6 × 5
		=   6d + 30

• Expressions

Are a string of terms that are separated by either plus + or minus −

10xy + 3x − 4y2 + 5
10xy	Is the xy term.
+ 3x	Is the x term
− 4y2	Is the y2 term
+ 5	Is the number term




4a2 + 6a − 6ab + 7
4a2	Is the a2 term
+ 6a	Is the a term
− 6ab	Is the ab term
+ 7	Is the number term

Note: there is no + sign in front of the first term