+ All Categories
Home > Documents > Fun with Fractions 5 th Grade Mathematics Ms. Epsaro Click to continue!

Fun with Fractions 5 th Grade Mathematics Ms. Epsaro Click to continue!

Date post: 21-Jan-2016
Category:
Upload: arthur-ball
View: 214 times
Download: 2 times
Share this document with a friend
16
Fun with Fractions 5 th Grade Mathematics Ms. Epsaro Click to con inue!
Transcript

PowerPoint Presentation

Parts of a FractionA fraction is a part of a wholeTop number = numeratorNumber of parts you haveBottom number = denominatorNumber of parts the whole is divided intoExample:

Click to return to the main menu!OopsTry Again!You mustve accidentally used subtraction! (2/3-1/2=1/6)Go back and focus on the words cut the recipe in half to use the correct operation.

Click to return to the review question!Reducing Fractions

Click to return to the main menu!Main Menu

Click to visit: Parts of a FractionClick to visit: Reducing FractionsClick to visit: Improper FractionsClick to visit: Proper FractionsClick to visit: Mixed FractionsClick to visit: Adding and Subtracting FractionsClick to visit: Multiplying and Dividing FractionsClick to visit:Fractions in Word Problems Click to review!Proper FractionsTop number (numerator) is less that the bottom number (denominator)Used often in everyday lifeExamples:Proper fractions are used for ingredients on a recipe (1/4 cup of sugar)Proper fractions are used often when telling time (1/2 past 3 oclock)Example:

Click to return to the main menu!Improper FractionsTop number (numerator) is larger than the bottom number (denominator)Also called top-heavy fractionsThese are NOT bad fractions!Example:

Click to return to the main menu!Mixed Fractions

Click to return to the main menu!Adding and Subtracting FractionsSame DenominatorsDifferent Denominators1. List the multiples of each denominator until you find a number in common (this becomes the least common denominator).2. Form equivalent fractions by multiplying the numerator and denominator by a number that gives new fractions with the least common denominator.3. Add/subtract the numerators and put them over the least common denominator.Example:

Click to return to the main menu!

Fractions in Word ProblemsRead and re-read the problem carefully.Write down any information that you believe is important.Decide which operation is being used.Apply your knowledge that you learned from the other links to solve.Example: Will ran 1/2 of a mile, and Bob ran 1/3 of a mile. How much farther did Will run?Key facts: Will= 1/2 of a mile; Bob ran 1/3 of a mileOperation: SubtractionSolution: 1/2 - 1/3 =3/6 2/6= 1/6Will ran 1/6 of a mile farther than Bob.

Click to return to the main menu!


Recommended