1. 2003 MATHEMATICS NCSCOS Grade 4 Indicators

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

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

4. 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

5. 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

6. 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

7. 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

8. 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

9. 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

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

11. 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

12. 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

13. 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

14. 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

15. 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

16. 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