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Across 3. Multiplying a number by 1 gives the same number (4 words) 8. what you add to one side you must add to the other side (2 words) 11. all positive numbers and the number a keep the sign (2 words) 12. -2,-1,0,1,2 13. 1,2,3,4..... (2 words) 16. 0,1,2,3...... (2 words) 17. when opposites are added their sum is 0 (4 words) 18. Please Excuse My Dear Aunt Sally (3 words) 19. a(b+c) = ab+ac (2 words) 20. two equations with the same solution 23. For any real number the distance from zero (2 words) 24. multiplying a number by 1 gives the same number (4 words) 26. always add/subtract first then multiply/divide (3 words) 27. Tell you how many times to multiply the base by itself

Down 1. two numbers whose product equal 1 (2 words) 2. Value less than 0 (2 words) 4. value greater than 0 (2 words) 5. the product of any number and zero equals zero (4 words) 6. Negative and Positive numbers subtract the numbers and keep the sign of the bigger number (2 words) 7. a natural number that has exactly two different factors itself and 1 (2 words) 9. Numbers can be grouped in any manner for addition/multiplication (2 words) 10. change the order when adding/multiplying without affecting the answer (2 words) 14. any nonzero number divided by itself is 1 (4 words) 15. mathematical phrase that can include variables, numbers, and operation symbols (2 words) 21. letter that represent numbers 22. have variables that are exactly the same (2 words) 25. all negative numbers add the number and keep the sign (2 words)