Conjecture: A statement that might be true, but is not proven. 

Multiples: are the result of multiplying a number. 

Factor: are integers that divide into a number without leaving a remainder.

Prime number: have exactly 2 factors which are 1 and themselves 

Prime Factor: a factor that is a prime number

HCF: Highest Common Factor (the greatest factor two or more numbers share)

LCM: Lowest Common Multiple (the smallest multiple shared by two or more numbers)

Proof: logical mathematical arguments used to show the truth of a statement

Binomial: a polynomial with two terms

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Command words:   

Verify: to use a process to make sure an answer is correct

Expand: is when we multiply to remove the bracket(s). 

Use a counterexample to support your answer: give an example to show something is not correct.