Brackets, equations & inequalities Vocabulary

Tribar

• indicates equivalence or identity between two different things

• part of a gymnastics routine

• a mathematical tool used by ancient tribes to count the number of warriors in their ranks.

• a bar that has somehow managed to exist in three dimensions at once.

_______________ means to multiply out or to simplify an expression.

Brackets

• brackets are the protective parents of numbers. They wrap around their number children to shield them from the chaos of the outside mathematical operations.

• Brackets are the cozy homes where numbers go to hibernate for the winter.

• They show what parts of the expression need to becalculated first.

• Any number or operation inside a bracket gets first-class treatment and is attended to before the riff-raff outside

Multiply out

• When you multiply in keeping with BODMAS

• The opposite of multiply in

• When you do multiplication calculations outside

• to multiply the number outside the brackets by everything inside the brackets.

identity

• A government document which can be used as proof of who you are

• I am because I think I am

• an equation which is always true. For example a + a = 2a

• A number which is greater than zero but not a prime number

product

• the answer in a multiplication question

• things sold in a shop or online

• Any number which is positive but not a prime number or composite number and has three as a divisor

coefficient

• a mispronumciation of the words "cough is it?"

• two numbers when you multiply them together, they produce a neagtive number

• two things which are efficient together

• in the expression 3x -2, the 3 is called the coefficient

equation

• An equation is a statement showing two expressions are always equal.

• All linear equations have exactly one solution.

• a statement that the values of two mathematical expressions are equal (indicated by the sign =).

• An equation is a statement showing two numbers are equal.

Substitute

• to swap one thing for another "substitute 7 for x"

• a teacher who temporarily takes over a class when the main teacher is too ill or absent

• a type of submarine off the island of tute

term

• The school year is normally made up of two or three terms

• the male version of a bird called a "Tern"

• a misspelling of the word turn

• A term can be a known number (also referred to as a constant), a variable, or the product of a known number and a variable.