Across
- 3. Multiplicative inverse
- 7. is either a single number or variable, or numbers and variables multiplied together
- 8. When solving equations, to isolate a variable means to get a variable with a coefficient of 1 alone on one side of an equation. Use the properties of equality and inverse operations to isolate a variable.
- 14. The order in which we multiply or add does not change the product or sum
- 15. The grouping when adding or multiplying does not change the sum or product.
Down
- 1. To plug in a value in place of a variable in an expression or equation
- 2. The rules that tell us the correct steps for evaluating a math expression
- 4. Numbers, symbols and operators (such as + and ×) grouped together that show the value of something
- 5. equal to
- 6. multiplying the sum of two or more addends by a number produces the same result as when each addend is multiplied individually by the number and the products are added together.
- 9. a number or quantity that when multiplied with another produces a given number or expression
- 10. A Fraction made up of a fraction in the numerator and a fraction in the denominator
- 11. To solve
- 12. a statement that the values of two mathematical expressions are equal
- 13. A letter that stands for an unknown value