Across
- 5. are symbols, such as parentheses, that are most often used to create groups or clarify the order that operations are to be done in an algebraic expression
- 6. the act or process of multiplying
- 7. is the amount "left over" after performing some computation
- 10. a symbol written above and to the right of a mathematical expression to indicate the operation of raising to a power
- 11. is a simple operation in which a number is divided.
- 12. The division, fraction line, and slash symbols all mean divide
- 14. a relationship between two quantities or, more generally two mathematical expressions, asserting that the quantities have the same value, or that the expressions represent the same mathematical object.
- 16. The symbol ≥
- 17. the factor that we multiply by itself three times to get that number
- 18. the number of units of mass of a contaminant per 1000 million units of total mass.
Down
- 1. a factor of a number that, when multiplied by itself, gives the original number.
- 2. anything that is similar, but not exactly equal, to something else.
- 3. a period, centered dot, or in some countries a comma at the left of a proper decimal fraction
- 4. a number or ratio that can be expressed as a fraction of 100
- 5. it generally indicates a choice of exactly two possible values, one of which is obtained through addition and the other through subtraction.
- 8. are the familiar ( ) symbols used in pairs to group things together.
- 9. a statement of an order relationship—greater than, greater than or equal to, less than, or less than or equal to—between two numbers or algebraic expressions.
- 13. the process of finding the total, or sum, by combining two or more numbers.
- 15. defined as an inequality used to compare two or more numbers, quantities or values. It is used when a quantity or number is bigger or larger than the second or rest quantities or numbers.