2. 2003 MATHEMATICS NCSCOS Grade 4 Indicators

3. The learner will read, write, model, and compute with non- negative rational numbers.

4. A real number that can be written as a positive or (negative) whole number, fraction, or decimal. Rational Number

5. Forms of Numbers Expanded notation form 300+20+6 Three hundred twenty-six Written Form 326 Standard form Picture Form http://www.aaamath.com/plc31d-placevalue-add.html 1,111

6. The position of a single digit in a whole number or decimal number containing one or more digits. Place Value http://mrsbogucki.com/aemes/resource/apps/placeval/placeval.htm 45,305.79 ten - thousands ones thousands hundreds tenstenths hundredths

7. Blocks which show base 10 number values. Base Ten Blocks http://www.arcytech.org/java/b10blocks/b10blocks.html

8. Blocks which show base 10 number values. Hundred Board http://www.amblesideprimary.com/ambleweb/mentalmaths/interactivenumbergrids.html

9. Compose http://www.studyzone.org/testprep/math4/d/commutativep.cfm Putting numbers together to make them easier to work with 1 + 4 + 3 +7 + 6 + 8 + 9 + 2 = ? 10 + 10 + 10 + 10 = 40

10. Breaking a number apart to make it easier to work with. 30 X 14 Decompose http://www.studyzone.org/testprep/math4/d/commutativep.cfm (30 X 10) + (30 X 4) 300 + 120 = 420

11. An answer close to the exact answer--often found by rounding to the nearest 10 or 100. Approximately/About 366 370 400 http://www.myschoolhouse.com/courses/O/1/16.asp

12. A mathematical operation where a number is added to itself a number of times Multiply http://www.arcytech.org/java/b10blocks/b10blocks.html factors product Repeated Addition http://www.harcourtschool.com/activity/mult/mult.html

13. Numbers that divide exactly into another number. Factors 12 – 1,2,3,4,6,12 36 – 1,2,3,4,6,9,12,18,36 48 – 1,2,3,4,6,8,12,16,24,48 http://illuminations.nctm.org/tools/tool_detail.aspx?id=12

14. Number that results from multiplying a given number by a set of whole numbers. Multiples 4 – 4, 8, 12, 16, 20, 24, 28, 32, 36, 40 6 – 6, 12, 18, 24, 36, 42, 48, 54 8 – 8,16, 24, 32, 40, 48, 56 http://www.bbc.co.uk/education/mathsfile/shockwave/games/gridgame.html

15. array A set of objects or numbers arranged in rows and columns. http://www.beaconlearningcenter.com/WebLessons/GroupsOfD ogs/default.htm

16. Sharing or Grouping a number into equal parts. Divide http://www.amblesideprimary.com/ambleweb/mentalmaths/dividermachine.html quotient

17. Division Vocabulary The Number being divided A number that will divide the dividend The result of a division Dividend Divisor Quotient

18. Divisibility Rules

19. Amount left over after dividing a number Remainder Fair shares ** Dividing is Sharing Equally!** http://nlvm.usu.edu/en/nav/frames_asid_193_g_2_t_1.html

20. Equal to/not equal to Symbols used to determine relationships of equalities. http://www.studyzone.org/testprep/math4/k/greaterlessthanl.cfm equal to.5 =.50.30 =.300.5 =.05.3 =.003 ? <.5 ? =.1,.2,.3,.4,or.5 not equal to less than or equal to

21. Equal parts of a whole or group written with a numerator and a denominator. Fraction http://math.rice.edu/~lanius/fractions/ 3 -Numerator 7 -Denominator

22. 1212 2 Whole number fraction 7373 3434 http://www.visualfractions.com/MixtoFrCircle.html Fractions Numerator: number of each part Denominator: number of parts Improper fraction mixed number

23. Fractions that are the same or equal Equivalent Fractions http://www.learningplanet.com/sam/ff/index.asp http://www.shodor.org/interactivate/activities/fracsorter/index.ht ml 1/2 = 3/6 Equal Portions

24. A fraction written as a decimal Decimal Fraction http://www.amblesideprimary.com/ambleweb/mentalmaths/frac to.html

25. Numbers written in standard form to show a value less than 1. Decimal http://www.321know.com/cmp42bx2.htm.1.01 one-tenth one-hundredth

26. A line on which numbers, decimals and fractions can be compared and ordered. Number Line http://www.shodor.org/interactivate/activities/fracsorter/index.html.8.08 2.25.08 <.8.08 is less than.8 2.25 >.8 2.25 is greater than.8

27. Problem Solving Strategies http://www.mathstories.com/strategies.htm

28. Problem Solving Method Look Back Justify, prove, evaluate or explain the reasonableness of your answer.

29. Using a table/chart http://www.studyzone.org/testprep/math4/k/chartprobl.cfm http://www.mathstories.com/strategies_makeatable.htm X X X

30. Guess and Check http://www.mathstories.com/strategies_guesscheck.htm Prince Carl divided 15 stone games into two piles: games he owns and games his brother owns. He owns 3 more games than his brother. How many games does his brother own? Answer: Prince Carl – 9 Brother - 6

31. Make a diagram/ picture Question: Laura has 3 green chips, 4 blue chips and 1 red chip in her bag. What fractional part of the bag of chips is green? http://www.mathstories.com/strategies_drawpicture.htm

32. Make an organized list Question: Jill, Makayla and Tanya don’t want to ride the Ferris-wheel alone. How many ways can they ride if the ride will only fit two at a time? Jill/Makayla Jill/Tanya Makayla/Tanya 3 ways http://www.mathstories.com/strategies_makealist.htm \ Organized list Answer

33. Work Backwards The castle kitchen servants brought in 4 pies left over from the feast. Twelve pies were eaten at the feast. Queen Mab took 2 home with her. How many pies did the servants bring into the feast at the beginning? http://www.mathstories.com/strategies_working_backward.htm 2 12 4= 2 + 12 + 4 =18

34. Using a calculator http://community.learnnc.org/dpi/math/archives/2005/06/proble m_solving.php Calculator Riddles From DPI

35. Using objects, models, representations http://nlvm.usu.edu/en/nav/frames_asid_273_g_2_t_4.html

36. Information in a problem that does NOT help you solve the problem. Extra Information The peasants had to dig a trench 3 feet side to side and 10 times as long. It took them 4 days to dig it. There were 7 of them digging. How long was the trench?

37. The learner will understand and use perimeter and area.

38. A peg-board on which elastic bands are used to make shapes and patterns. Geo Board http://nlvm.usu.edu/en/nav/frames_asid_172_g_2_t_3.html

39. A three sided polygon. Triangle http://www.factmonster.com/ipka/A0876325.html

40. A polygon for which all sides are congruent and all angles are congruent. Regular Polygon

41. Any four sided figure. Quadrilateral http://regentsprep.org/Regents/math/quad/LQuad.htm

42. Four sided figure, all sides equal, opposite sides parallel, and all right angles. Square http://www.mathleague.com/help/geometry/polygons.htm#righttriangle

43. Four sided figure; opposite sides equal lengths and parallel; all right angles Rectangle

44. Four sided figure. Opposite sides equal lengths and parallel Parallelogram http://ejad.best.vwh.net/java/patterns/patterns_j.shtml http://www.aplusmath.com/cgi-bin/games/geopicture Four sided figure. opposite sides equal lengths and parallel, opposite angles equal Rhombus An six sided figure Hexagon An eight sided figure Octagon Four sided figure. Top and bottom sides parallel Trapezoid An five sided figure Pentagon

45. A ten sided polygon Decagon

46. A line with two endpoints Line Segment AB

47. A line with one endpoint Ray http://www.mathleague.com/help/geometry/basicterms.htm#rays

48. The point at which two rays meet. Vertex This triangle contains 3 vertices.

49. Two rays that meet at a vertex Angle http://www.kidport.com/Grade5/Math/MeasureGeo/MeasuringAngles.htm

50. The measurement of the longest side of a figure.

51. The measurement of the shortest side of a figure.

52. The measurement of all sides of a plane figure Perimeter 3 in 4 in The DIMENSIONS of this rectangle are 4 inches long and 3 inches wide. To find the perimeter: length + length+ width + width 4in + 4in + 3in + 3in= 12in Hint: P lus all sides! http://www.shodor.org/interactivate/activities/permarea/index.html

53. The measurement of square units needed to cover a figure. Area 3 in 4 in Length X Width 3in X 4in = 12 square inches http://www.shodor.org/interactivate/activities/perm/index.html http://www.studyzone.org/testprep/math4/d/metricunitl.cfm http://www.studyzone.org/testprep/math4/d/customaryunitl.cfm

54. Units used to measure area Square Units http://www.shodor.org/interactivate/activities/perm/index.html http://www.studyzone.org/testprep/math4/d/metricunitl.cfm http://www.studyzone.org/testprep/math4/d/customaryunitl.cfm 3 in 4 in Length X Width 3in X 4in = 12 square inches Each of these is a square unit.

55. The learner will recognize and use geometric properties and relationships.

56. A pair of numbers that gives the coordinates of a point on a grid Ordered Pair http://www.mathcats.com/crafts/grids.html http://www.studyzone.org/testprep/math4/d/orderpairp.cfm 0 1 2 3 4 3 2 13 2 1 (1,2)

57. Coordinate Grid/ X-Y Chart http://www.shodor.org/interactivate/activities/coords2/index.html Used to find coordinates for ordered pairs for the X and Y axes.

58. Quadrant Any quarter of a plane divided by an X and Y axis.

59. A line joining two non-adjacent vertices of a polygon. Diagonal http://www.homeschoolmath.net/teaching/g/parallel_and_perpendicular.php

60. When lines cross over one another Intersect http://www.homeschoolmath.net/teaching/g/parallel_and_perpendicular.php

61. Two perpendicular lines which form a 90 degree angle. Right Angle http://www.mathsnet.net/shape/category1.html

62. Two lines, equal distance apart that will never touch or intersect; non- intersecting lines Parallel Lines http://www.homeschoolmath.net/teaching/g/parallel_and_perpendicular.php

63. Lines that intersect at right angles to each other. Perpendicular Lines http://www.homeschoolmath.net/teaching/g/parallel_and_perpendicular.php

64. Any 2-dimensional (flat) area Plane

65. A change in position or size Transformations http://www.harcourtschool.com/activity/icy_slides_flips_turns/

66. A mirror view Reflection http://regentsprep.org/Regents/Math/reflect/PracRefl.htm l Pre-image (before) -image (after)

67. Move or shift an item in any direction without rotating it. Translation Also called a slide http://regentsprep.org/Regents/Math/trans/PracTran.htm

68. To turn an object, usually 90 degrees or 180 degrees. Rotation origin Half turn- 180 degrees Quarter turn- 90 degrees http://www.utc.edu/Faculty/Christopher-Mawata/transformations/rotations/lesson1c.html http://regentsprep.org/Regents/Math/rotate/PracRot.htm

69. Counter Clockwise The same direction as the way hands on the clock go. Clockwise The opposite direction of the way the hands on the clock go.

70. The learner will understand and use graphs, probability, and data analysis.

71. Used to collect and organize data http://www.studyzone.org/testprep/math4/d/collectdata4l.cfm Table rows columns

72. The number of times an event occurs; may use tally marks to record Frequency IIII IIII IIII tallies http://www.studyzone.org/testprep/math4/d/tablestallyl.cfm

73. A diagram using circles or other shapes to show the relationship between sets Venn Diagram http://www.shodor.org/interactivate/activities/venndia/index.html Guess the rule for this Venn Diagram

74. A horizontal number line on which each value of a set is denoted by an “x” over a value. Line Plot The number of x’s indicates how many times each score occurred http://www.studyzone.org/testprep/math4/d/rangel.cfm l

75. A graph that uses pictures to represent data. Pictograph key http://www.studyzone.org/testprep/math4/d/graphdatal.cfm title

76. Graph used to compare facts about groups and numbers that can be counted Bar Graph http://www.mcwdn.org/Graphs/BarGraph.html labels title scale

77. This graph is similar to a regular bar graph, but it gives 2 pieces of information for each item, rather than just 1. Double Bar Graph Fruit Sold at the Market scale title labels http://www.mathleague.com/help/data/data.htm

78. http://www.mcwdn.org/Graphs/LineGraph.html interval label title scale A graph that shows change over time. Line Graph

79. A graph that compares parts to the whole; decimals and fractions may be used on this graph. Circle Graph http://www.mcwdn.org/Graphs/CirclePieQuiz.html key title labels

80. 93, 84, 97, 98, 100, 78, 86, 100, 85, 92 78, 84, 85, 86, 92, 93, 97, 98, 100, 100 92 + 93 = 185 185 / 2 = 92.5 92.5 The middle number in a set of data; must put numbers in order from least to greatest first. Median http://regentsprep.org/Regents/math/mean/Pmeasure.htm

81. The number that occurs most in a set of data. Mode 56, 66, 68, 73, 44, 62, 73, 44, 89, 55, 41, 73 41, 44, 44, 55, 56, 62, 66, 68, 73, 73, 73, 89 73

82. Subtract the smallest number from the largest number in a set of data. Range http://www.quizville.com/range.php 89, 73, 84, 91, 87, 77, 94 73, 77, 84, 87, 89, 91, 94 94 – 73 = 21 21

83. The likelihood that an event will happen Probability What color did the spinner land on? Was this one of the favorable choices? Were there equal chances for both colors? http://www.mathgoodies.com/lessons/vol6/intro_probability.html

84. An event that occurs or happens. Outcome What color did the spinner land on? Was this one of the favorable choices? Were there equal chances for both colors? http://www.studyzone.org/testprep/math4/d/outcomel.cfm

85. An outcome that will probably occur or happen. Likely http://www.studyzone.org/testprep/math4/d/likelyl.cfm What are the chances of the arrow landing on white? When spinning the spinner 10 times, where is the arrow likely to land most often? Less often? Is your answer certain or uncertain?

86. Each outcome has the same chance of occurring Equally Likely http://www.studyzone.org/testprep/math4/d/likelyl.cfm

87. An event that you think will occur or happen. Prediction What color do you think the arrow will land on? Which color is less likely? http://www.shodor.org/interactivate/activities/spinner/index.html Which color is more likely?

88. An outcome that will never occur or happen. Impossible http://www.bbc.co.uk/education/mathsfile/shockwave/games/fish.html What are the chances of the arrow landing on blue?

89. http://www.mathagonyaunt.co.uk/STATISTICS/ESP/Perms_combs.html Steps: 1. Determine whether or not order matters. 2.Make an organized list of all possible outcomes. 3. Use this sample set of possible outcomes to determine your answer. Using the digits 3,4 and 5. What are all the possible three digit numbers you could create? 345, 354 435, 453 534, 543 Answer- 6 Order matters in this problem. Different orders make different numbers. Strategy for solving problems for determining outcomes: (Combinations and Permutations)

90. The learner will demonstrate an understanding of mathematical relationships.

91. http://www.studyzone.org/testprep/math4/i/dpatternsl.cfm http://www.studyzone.org/testprep/math4/k/patternsl.cfm http://www.studyzone.org/testprep/math4/k/patternsp.cfm An ordered set of numbers, shapes, or other mathematical objects, arranged according to a rule. Pattern

92. Input/Output chart http://www.studyzone.org/testprep/math4/k/addpatternsl.cfm http://www.shodor.org/interactivate/activities/NumberCruncher/ A chart that shows a consistent rate of change. Function Machine T-chart

93. A mathematical sentence where the left side equals the right side. Equation http://www.studyzone.org/testprep/math4/d/numericalp.cfm

94. A letter or symbol that represents a number in an algebraic expression. Variable http://www.aplusmath.com/Games/PlanetBlast/index.html Each side of the = symbol must balance

95. Unknown The variable represents the number you are solving to find, termed as the… “X” or some other symbol is used to represent the unknown http://nlvm.usu.edu/en/nav/frames_asid_201_g_4_t_2.html

96. Order of Operations The order in which operations should be done. http://www.mathgoodies.com/lessons/vol7/order_operations.html http://www.scweb4free.com/oper.html

97. Resources Web resources are listed at the bottom of each slide. Additional resources: –NCDPI Math Glossary http://community.learnnc.org/dpi/math/archives/Glo ssarySP.pdfhttp://community.learnnc.org/dpi/math/archives/Glo ssarySP.pdf –Houghton Mifflin Math http://www.eduplace.com/kids/hmm/g_4.html http://www.eduplace.com/kids/hmm/g_4.html