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# Algebra Terms

### Yr 7

TermDefinition
Sequence a number pattern.
Term Each number in a sequence.
Rule or Formula Describes the pattern in a sequence.
Output The number you finish with or the answer.
Pronumeral (variable) Is written in lower case letters.
Multiplying pronumerals (variables) You don't write the times sign & the number is written in front of the pronumeral Eg: h = k x 5 is written as h=5k
Substitution The pronumerals is replaced by a number. Giving a pronumeral a value.
Coefficient The number in front of a pronumeral.
Expressions Made up of pronumerals & numbers. Does NOT have an equal sign.
Equations Does Have an equal sign.
Constant Contains only a number
Like Terms Has exactly the same pronumerals. Eg: 10a & 3a or 8egh & ghe Must be raised to the same power. You can only add or subtract like terms
Unlike Terms Have different pronumerals Eg: abc & 7bc or 4c & 4k Or raised to a different power
Distributive Law Expanding the brackets Each term inside the brackets is multiplied with the term directly outside the bracket
Evaluate Substitute a number for each pronumeral in the expression and then work out the value.
Created by: Tania L Kremers
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