2003 MATHEMATICS NCSCOS Grade 4 Indicators

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

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

Forms of Numbers Expanded notation form Three hundred twenty-six Written Form 326 Standard form Picture Form 1,111

The position of a single digit in a whole number or decimal number containing one or more digits. Place Value 45, ten - thousands ones thousands hundreds tenstenths hundredths

Equal to/not equal to Symbols used to determine relationships of equalities. equal to.5 = = =.05.3 =.003 ? <.5 ? =.1,.2,.3,.4,or.5 not equal to less than or equal to

Equal parts of a whole or group written with a numerator and a denominator. Fraction 3 -Numerator 7 -Denominator

Whole number fraction Fractions Numerator: number of each part Denominator: number of parts Improper fraction mixed number

Fractions that are the same or equal Equivalent Fractions ml 1/2 = 3/6 Equal Portions

A fraction written as a decimal Decimal Fraction to.html

Numbers written in standard form to show a value less than 1. Decimal one-tenth one-hundredth

93, 84, 97, 98, 100, 78, 86, 100, 85, 92 78, 84, 85, 86, 92, 93, 97, 98, 100, = / 2 = The middle number in a set of data; must put numbers in order from least to greatest first. Median

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

Subtract the smallest number from the largest number in a set of data. Range 89, 73, 84, 91, 87, 77, 94 73, 77, 84, 87, 89, 91, – 73 = 21 21

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?

Resources Web resources are listed at the bottom of each slide. Additional resources: –NCDPI Math Glossary ssarySP.pdfhttp://community.learnnc.org/dpi/math/archives/Glo ssarySP.pdf –Houghton Mifflin Math