From 06-07 DPI 4th grade indicators. Math Vocabulary. Goal 1. A real number that can be written as a positive or negative whole number, fraction, or decimal,. Rational Number. Expanded notation form. Picture Form. 300+20+6. Forms of Numbers. 326. Three hundred twenty-six. Written Form.
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Expandednotation form Picture Form 300+20+6 Forms of Numbers 326 Three hundred twenty-six Written Form Standard form http://www.aaamath.com/plc31d-placevalue-add.html
ten- thousands ones hundreds hundredths thousands tens tenths The position of a single digit in a whole number or decimal number containing one or more digits. 45,305.79 Place Value http://mrsbogucki.com/aemes/resource/apps/placeval/placeval.htm
product factors A mathematical operation where a number is added to itself a number of times http://www.arcytech.org/java/b10blocks/b10blocks.html Repeated Addition Multiply http://www.harcourtschool.com/activity/mult/mult.html
Number that results from multiplying a given number by a set of whole numbers. 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 Multiples http://www.tki.org.nz/r/wick_ed/maths/interactives_matrix.php http://www.bbc.co.uk/education/mathsfile/shockwave/games/gridgame.html
.5 = .50 .30 = .300 ? < .5 ? =.1,.2,.3,.4,or .5 .5 =.05 .3 = .003 equal to less than or equal to not equal to Symbols used to determine relationships of equalities. Equal to/not equal to http://www.studyzone.org/testprep/math4/k/greaterlessthanl.cfm
3 -Numerator 7 -Denominator Equal parts of a whole or group written with a numerator and a denominator. Fraction http://www.kidsolr.com/math/fractions.html http://math.rice.edu/~lanius/fractions/
3 4 Numerator: number of each part Denominator: number of parts 1 2 fraction 2 Whole number Fractions 7 3 Improper fraction mixed number http://www.visualfractions.com/MixtoFrCircle.html
1/2 = 3/6 Fractions that are the same or equal Equal Portions Equivalent Fractions http://www.learningplanet.com/sam/ff/index.asp http://euclid.barry.edu/~marinas/mat476/journal/sim319df.html http://www.shodor.org/interactivate/activities/fracsorter/index.html
.1 .01 .001 Numbers written in standard form to show a value less than 1. one-tenth one-hundredth one-thousandth Decimal http://www.321know.com/cmp42bx2.htm
A line on which numbers, decimals and fractions can be comparedand ordered. .8 2.25 .08 .08 < .8 .08 is less than .8 2.25 > .8 2.25 is greater than .8 Number Line http://www.mathsonline.co.uk/freesite_tour/resource/whiteboard/decimals/dec_notes.html http://www.shodor.org/interactivate/activities/fracsorter/index.html
Problem Solving Method Look BackJustify, prove, evaluate or explain the reasonableness of your answer.
Using a table/chart X X X http://www.studyzone.org/testprep/math4/k/chartprobl.cfm http://www.mathstories.com/strategies_makeatable.htm
Guess and Check 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 http://www.mathstories.com/strategies_guesscheck.htm
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? Make a diagram/ picture http://www.mathstories.com/strategies_drawpicture.htm
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 Organized list Answer http://www.mathstories.com/strategies_makealist.htm \
Work Backwards The castle kitchen servants brought in 4 pies left over from the feast. 12 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? 2 12 4 = 2 + 12 + 4 = 18 http://www.mathstories.com/strategies_working_backward.htm
Using a calculator http://edschool.csuhayward.edu/departments/ted/instruction/howe/5350/1-calculatorRiddles.html
Information in a problem that does NOT help you solve the problem. 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? Extra Information
Four sided figure. Opposite sides equal lengths and parallel An six sided figure Four sided figure. Top and bottom sides parallel Parallelogram Hexagon Trapezoid Four sided figure. opposite sides equal lengths and parallel, opposite angles equal An eight sided figure An five sided figure Octagon Rhombus Pentagon http://ejad.best.vwh.net/java/patterns/patterns_j.shtml http://www.aplusmath.com/cgi-bin/games/geopicture
A ten sided polygon Decagon http://www.ul.ie/~cahird/polyhedronmode/decagon.htm
A B A line with two endpoints Line Segment http://www.pinkmonkey.com/studyguides/subjects/geometry/chap1/g0101201.asp