Across
- 5. A fixed value
- 7. To solve
- 10. pairs of mathematical manipulations in which one operation undoes the action of the other
- 14. The order in which we multiply or add does not change the product or sum
- 17. The answer to a subtraction sentence
- 19. the inverse of a value or a number. Or the multiplicative inverse
- 20. a statement that the values of two mathematical expressions are equal
Down
- 1. 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.
- 2. The rules that tell us the correct steps for evaluating a math expression
- 3. equal to
- 4. The grouping when adding or multiplying does not change the sum or product.
- 6. is either a single number or variable, or numbers and variables multiplied
- 8. changing the sign of the number and adding it to the original number to get an answer equal to 0
- 9. a number or quantity that when multiplied with another produces a given number or expression
- 11. A letter that stands for an unknown value
- 12. The answer to an addition sentence
- 13. a numerical or constant quantity placed before and multiplying the variable in an algebraic expression
- 15. Numbers, symbols and operators (such as + and ×) grouped together that show the value of something
- 16. The answer to a division problem
- 18. A number that is only divisible by one and itself