Across
- 4. A letter that represents a number.
- 5. A set where all elements are contained in another set.
- 9. A reduction in the price of an item.
- 11. Numbers that follow each other in order.
- 13. To multiply a number by each term inside parentheses.
- 15. The amount added to the cost of an item to set the selling price.
- 17. Parts of an expression.
- 21. A voucher that gives a discount on a purchase.
- 23. The set of counting numbers starting with 1, 2, 3, …
- 24. A number that, when multiplied by itself, gives the original number.
- 27. A number that cannot be written as a fraction and has a non-repeating, non-terminating decimal.
- 28. The total before taxes and other amounts are added.
- 29. The distance around a shape.
- 31. A value that stands alone.
Down
- 1. The set of natural numbers including 0.
- 2. A number that is the square of an integer.
- 3. Another word for tip, money given for service.
- 6. An additional amount of money charged by the government on purchases.
- 7. The set of rational and irrational numbers.
- 8. The number in front of a variable.
- 10. A mathematical phrase with numbers, variables, and operations.
- 12. The set of whole numbers and their opposites.
- 14. A decimal that ends or comes to a stop.
- 16. Terms that have the same variable raised to the same power.
- 18. A mathematical statement that two expressions are equal.
- 19. A number that can be written as a fraction.
- 20. Earnings based on a percentage of sales.
- 22. The amount of space inside a two-dimensional shape.
- 25. The symbol used to indicate a square root.
- 26. A decimal that continues with the same digit or group of digits.
- 30. Money given to someone for their service.