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Fantastic Fractions

Green Meadow ElementaryMs. Boucher, Mr. Brewer, Mrs. Congemi, Ms. Gariepy, Mrs. Van DeusenIntroductionSkipintroductionTeacher ResourcesBibliographyA FRACTION is a number that represents a part of a whole.

Fractions are useful whenever you need to split things up.

1 Whole Cake

4 pieces are the same as 1 whole cake

Take a whole cake...Split it into 4 = pieces.4 people can split the cake evenly.

To 1st GradeAdding Mixed Numbers21 31+1 222 613 6+Change to fractions with common denominators5 6Add the fractions3Add the whole NumbersThenFinally3Now change the answer to simplest form!!!3563Is already reduced!!The fraction can also be written like this: 1 2 ___= ___ 2 4These are equivalent fractions. Equivalent fractions are worth the same, even though they may look different.To 3rdGrade

When you have a whole plus a part of something else,you name it with a mixed number.1 cake2 cakes3 cakes 1 43 1 4To 4thGradeMenu1st Grade2nd Grade3rd Grade4th Grade5th GradeGlossary

ExitAdding Mixed Numbers with renaming 22 31+1 224613 6+Change to fractions with common denominators7 6Add the fractionsAdd the whole NumbersThenFinally3Now change the answer to simplest form!!!3411 61 6==376+Under ConstructionUnder ConstructionFair ShareJohnny and Sally were having a snack, but there was a problem. Sallys mom only had 1 cookie left. What can they do? Sally remembered something that her teacher said about splitting things into equal pieces. Look to see how Sally split the cookie...

Playing FairLets practice finding things that are shared fairly. To share the soccer ball fairly it must be equal, or have the same amount on each side.

not fairfair fair

Lets Do a Little More ...Color each shape so that it matches the fraction. 4321426331Click the mouse to check your answers.ANSWER KEY 4321426331To change an improper fraction to a mixed number :

Think:How many ones?How many parts left?Draw a picture.9/4 or9/4 = 4/4 + 4/4 + 1/4 21/4or Divide the numerator by the denominator. 1 + 1 + 1/421/4

wholesExtra fourths21/4nextTo change a mixed number to an improper fraction: Think:How many parts are in the whole?How many parts are left?Draw a picture.21/4orFirst multiply the whole number by the denominator. Then add the numerator.2 1/4 2 x 4 + 1= 9/4 Practice

Complete these examples on your paper. Hand it in for correction.

1. Mrs. Smith uses butter that is packaged in one pound boxes with quarter sticks in each box. She is making cookies for the fourth grade bake sale. She needs 1 and 3/4 pounds of butter to make the cookies.A. How many full pound butter boxes and how many extra sticks does Mrs. Smith need for the recipe?B. How many quarter- pound sticks are needed?

2. Two and a half cups of flour are needed to make a pizza dough recipe. Mrs. Jones lost her one cup measure. She has a half cup measure that she will use. How many half cup measures does she need for the recipe?

3. Mrs. Browns fourth grade class is planning a pizza party. There are 27 students in the class, and they decided to order the 8 cut pizza. If each student receives two pieces, how many pizzas do they need to order ? Are there any slices left? Draw a picture to show your work.

Web ActivitiesGame ~ Mixed Numbers to Improper FractionsGame ~ Improper Fractions to Mixed NumbersClick on the word recipe.If you want to play a game, click on the word game.Read all the directions carefully before starting this activity.1. Click on the underlined word recipe below. 2. First you need to read the basic cake recipe. Next you need to copy it on a recipe card, and then underline the mixed numbers. Repeat these steps for the frosting recipe.3. Click on the names of the different cakes listed on the left, view the pictures and write the name of your favorite cake.4. Click on the X in the corner to get back to the program.OptionalMake your favorite cake, and share it with the class.Design a new cake. Using the basic cake and frosting recipes, make your cake and share it with the class.

Web ActivitiesMath MasteryAAAMathHarcourtAplus MathVisual FractionsTo make fruit juice Mark picked 1 1/3 bushels of grapes and 2 1/4 bushels of apricots. How many bushels did he pick?Maggie picked 5 1/2 pounds of plums in the morning and 1 1/3 pounds in the afternoon. How many pounds did she pick this day?_1028006735.unknown

David ate 3 1/3 slices of pizza for lunch and 2 2/5 slices for dinner. How much pizza did he eat today?A recipe uses 2 3/8 cups flour. To make a double recipe how much flower do you need?Sandy mixed 1 1/4 quarts cranberry juice with 1 1/3 quarts apple juice. She added another 1 1/4 quarts strawberry juice. How much fruit punch did she make?