1. Math Vocabulary Highlands Elementary School 2011-2012

2. add To find how many in all.

3. Sum The answer to an addition problem.

4. Subtract To take objects away from a group.

5. Difference The answer to a subtraction problem.

6. Part Some of a group.

7. Whole The entire group.

8. Doubles An addition fact with two of the same number.

9. More Greater amount.

10. Fewer Smaller amount.

11. Patter n A repeated sequence.

12. Equivalent Fraction Fractions that name the same part or amount and are equal in value. 6 1 12 2

13. Commutative Property When the order of two or more addends are changed, the sum is the same.

14. Mixed Number A number that is made up of a whole number and a fraction. 4 1 4

15. Addends Any group of numbers added together to form a sum.

16. Associative Property When the grouping of addends is different, the sum is the same.

17. Least Common Multiple (LCM) The smallest number, other than zero, that is a common multiple of 2 or more numbers. 100 50 2

18. Improper Fraction A fraction that has the numerator is greater than the denominator. 15 4

19. Prime Number A whole number greater than 1 and has only 2 multiples, 1 and itself. 331

20. Least Common Denominator (LCD) The least common multiple (LCM) of 2 or more denominators. 5 100 4 50 LCD = 2

21. Composite Number A whole number greater than 1 that has more than 2 multiples. 6 3 2 1 6

22. Hundred Amount that is equivalent to 10 tens. 100

23. Least Fewest in quantity or amount.

24. Equal to Has the same value as.

25. Thousan d Amount that is equal to 10 hundreds. 100 1000

26. Plus A symbol that shows addition.

27. Estimate To find an amount that is close to the exact number. Estimated: 500 Jelly Beans

28. Regroup An action that involves changing from one form to another equal form. 144 77 67 3 14

29. Capacit y The amount that a container can hold. Capacity = 2 liters

30. Cup A unit of capacity.

31. Pound A unit of weight that is equal to 16 ounces.

32. Pint A unit of capacity that is equal to 2 cups.

33. Gr am A unit of mass.

34. Pattern Unit A sequence of elements that is repeated over and over again.

35. Halves Two equal parts.

36. Minute A unit of time that is equal to 60 seconds.

37. Hour A unit of time that is equal to 60 minutes.

38. Compatible Numbers Numbers that are easy to compute mentally.

39. Expanded Form A way to write numbers by showing the value of each digit. 1738 1000700 308

40. Word Form A way to write numbers by using words. 4783 Four thousand seven hundred eighty- three

41. Standard Form A way to write numbers by using the digits 0-9 with each digit having a place value. 5867 684 9073

42. Round A number that tells about how many or about how much. 35 62 40 60

43. Data Information collected about people or things.

44. Frequency Table A table that uses numbers to show data. WeeksBananas Eaten 111 214 320 427 Monkeys’ Eating Habits

45. Tally Table A table that uses tally marks to show data. GIRLSBOYS

46. Key The part of a map or graph that explains the symbols. = 2 apples 3 apples

47. Pictograph A graph that uses pictures to show and compare information. = 2 apples 3 apples

48. Line Plot A graph that records each piece of data on a number line.

49. Bar Graph A graph that uses bars to show data.

50. Multipl y When you can combine equal parts, you can multiply to find how many in all; the opposite operation of division.

51. Factor A number that is multiplied by another number to find a product. 4520

52. Array A set of objects in rows and columns.

53. Produ ct The answer to any multiplication problem. 5x6 = 30

54. Division To separate into equal groups.

55. Dividend The number that is to be divided in a division problem.

56. Quotient The answer to a division problem.

57. Fact Family A set of related addition and subtraction or multiplication and division number sentences.

58. Eleven 10 and 1 more.

59. Twelve 10 and 2 more.

60. Thirteen 10 and 3 more.

61. Fourteen 10 and 4 more.

62. Fifteen 10 and 5 more.

63. Sixteen 10 and 6 more.

64. Sevente en 10 and 7 more.

65. Eighteen 10 and 8 more.

66. Nineteen 10 and 9 more.

67. Rotation The movement of a shape to a new position by turning the shape around a point.

68. Reflection The movement of a shape to a new position by flipping the shape over a line.

69. Are a The number of square units needed to cover a flat surface. 6 units 5 units 5x6=30 Area= 30 Square Units

70. Perimeter The distance around a shape. 6 units 5 units (6+6)+(5+5)= 22 Units

71. One - Dimensi onal Measured in only one direction, such as length. 6 Units

72. Two Dimensional Shape A shape that lies in a plane; A shape that has length and width. 6 units 5 units

73. Three Dimensional Shape A shape having length, height, and width. 6 Units 5 Units 4 Units