Year 7 Algebra

4. a way of solving that involves changing the equation around by doing the same thing on both sides of the equal sign to get the variable on its own.
6. the value of the pronumeral that make an equation a true statement.
8. same answer is obtained when you add the numbers inside a pair of brackets first before multiplying by another number or multiply each number inside the brackets by the number outside the brackets before adding.
10. operations that 'undo' each other.
16. a mathematical statement made up of terms, operation symbols and/or brackets. It doesn't contain an equal sign.
18. a term that does not have a pronumeral attached to it
21. the letter part of the term
22. the inverse operation of division
25. also known as BIDMAS
27. means to replace a pronumeral with a given number
28. the inverse operation of multiplication
29. another name for a 'rule'

1. algebraic terms that contain exactly the same pronumerals
2. a quantity that can have different values
3. an equation has one of these, but an expression does not.
5. we can use mental maths to solve equations this way
7. we use this method to solve an equation using flowcharts
9. we use these to build expressions
11. means to remove the brackets
12. describes a relationship between two or more variables
13. a group of letters and numbers that form an expression and are separated by an addition or subtraction sign.
14. means to collect like terms
15. the inverse operation of subtraction
17. A mathematical statement that contains a left hand side and a right hand side and an equal sign between them
19. the inverse operation of addition
20. to find the value of the pronumeral that makes an equation a true statement. That is; the left side and the right side are equal
23. the number part of the term
24. another name for an IN/OUT table
26. means to calculate the numerical value of a term or expression after substitution