1
										2
																									3
						4													5
							6											7
	8		9						10							11
					12
																		13
					14														15
														16
																17
							18									19								20
																								21
														22
23																						24
																				25
							26	27														28
29														30
											31																32
																								33
	34																		35
																								36
						37																		38

Across 2. a number which when multiplied by itself forms a product. 4. the number whose positive square root is a whole number. 7. the numbers that can be expressed in the form a/b, where a and b are both integers and b is not equal to 0 12. the first value in an ordered pair, which indicates the move right or left. 13. a letter or symbol used to represent a value that can change. 15. the number that tells how many times the base is used as a factor. 17. numbers which are the same distance from zero on the number line, but on opposites sides of zero. 18. perpendicular number lines 19. an expression that may contain variables, constants and operations. 21. the value generated for y in an equation. 22. an expresssion that may contain only constants and operations. 23. rules specifying which operations in an expression should be performed. 24. one of the four areas defined by the axes of the coordinate plane 26. the horizontal component and vertical component of a point. 28. the counting numbers:1,2,3....... 29. numbers that cannot be expressed in the form a/b including square roots of whole numbers that are not perfect squares and nonterminating decimals that do not repeat 30. terms that contain the same variables raised to the same powers. 34. the distance of a number from zero on the number line. 35. the point of intersection of each 0 on two perpendicular number lines. 36. an expression written with an exponent and a base or the value of such an expression. 37. the vertical number line. 38. the parts of an expression to be added or subtracted.

Down 1. the reciprocal of a number, used when dividing rational numbers. 3. the natural numbers and zero:0,1,2,3....... 5. to find the value of an expression 6. the second value in an ordered pair, which indicates the move up or down. 8. the opposite of a number, used when subtracting numbers. 9. rational numbers in decimal form that have a finite number of digits. 10. a number multiplied by a variable. 11. one of two numbers whose product is 1 14. rational numbers in decimal form that have a block of one or more digits that repeats continuously. 16. formed by the intersection of two perpendicular number lines 20. a value that does not change. 25. the whole numbers and their opposites:....-3,-2,-1,0,1 27. all numbers that can be represented on the number line. 31. the horizontal number line. 32. the number that is used as a factor in a power. 33. the value substituted for x in an equation.