Expressions
Across
- 5. Numbers, symbols and operators (such as + and ×) grouped together that show the value of something. Does NOT have an equals sign.
- 6. Finding what to multiply to get an expression. Putting back into brackets.
- 8. Simplifying, expanding, factorising; working with algebra.
- 9. A number used to multiply a variable. Variables with no number have a coefficient of 1.
Down
- 1. Where the highest power of the variable is a square (2).
- 2. A rule or fact written with mathematical symbols.
- 3. A symbol for a value we don't know yet. It is usually a letter like x or y.
- 4. Putting values where the letters are.
- 5. An expression that is equal to something else.
- 7. To make an expression as simple as possible.