math vocab

4. A number that when multiplied by itself equals a given number.
6. An equation that is true for every value of the variable.
9. A letter or symbol that represents an unknown number.
11. A number that when multiplied by itself three times equals a given number.
14. A number made by multiplying the same whole number three times.
15. An equation that has no value that makes it true.
16. A number made by multiplying a whole number by itself.
18. An equation that has exactly one correct answer.
20. A value that makes an equation true.

1. A pattern made from shapes, figures, or visual arrangements that follow a rule.
2. A math phrase containing numbers and operations but no equal signs.
3. To find the value of an expression.
5. To rewrite an expression in its simplest form.
7. A number that cannot be written as a fraction and has a decimal that never ends or repeats.
8. A symbol used to show a root.
10. A value rounded to one digit after the decimal point.
12. A math sentence that shows two expressions are equal.
13. To find a value that is close to the exact answer.
17. The number inside a radical symbol.
19. A number that can be written as a fraction.