What makes What makes something whole?something whole?

Unit QuestionsUnit Questions

Why are things broken into parts?Why are things broken into parts? What can be broken into sections?What can be broken into sections? Are fractions are part of our lives?Are fractions are part of our lives? Where are fractions?Where are fractions?

FRACTIONSFRACTIONSBy Christina PattersonBy Christina Patterson

OverviewOverview

What are fractions?What are fractions? Basic Fractions…Basic Fractions… ActivityActivity Adding simple fractionsAdding simple fractions PracticePractice Breaking into bigger partsBreaking into bigger parts

Overview ContinuedOverview Continued

Pizza activityPizza activity QuestionsQuestions Website PracticeWebsite Practice Summing it upSumming it up

What are Fractions?What are Fractions?

A fraction is a part of a whole.A fraction is a part of a whole. Fractions are equal parts of a Fractions are equal parts of a

group.group. Fractions are expressed with Fractions are expressed with a/ba/b.. The number The number a a is the numerator.is the numerator. The number The number b b is the denominator. is the denominator. Fractions are everywhere!!!Fractions are everywhere!!!

Basic FractionsBasic Fractions

            114 or one fourth4 or one fourth

    is yellowis yellow            

Basic FractionsBasic Fractions

            224 , two fourths, 4 , two fourths, or or

one half one half

is yellow.is yellow.            

Basic FractionsBasic Fractions

            

33

4 or three fourths 4 or three fourths

are yellow.are yellow.            

Basic FractionsBasic Fractions

            444 or four fourths 4 or four fourths

are yellow.are yellow.

This is also equal to one whole

ActivityActivity

Take a piece of construction paper Take a piece of construction paper Fold the paper in halfFold the paper in half You should have two equal partsYou should have two equal parts Now fold the paper in half againNow fold the paper in half again You should have four equal partsYou should have four equal parts Label each partLabel each part

Adding Simple FractionsAdding Simple Fractions

Step 1: Make sure the bottom Step 1: Make sure the bottom numbers (the denominators) are the numbers (the denominators) are the same.same.

Step 2: Add the top numbers (the Step 2: Add the top numbers (the numerators). Put the answer over numerators). Put the answer over the same denominator as in step 1 the same denominator as in step 1

Step 3: Simplify the fraction (if Step 3: Simplify the fraction (if needed). needed).

PracticePractice

½ + ½=½ + ½= ¼ + ¼=¼ + ¼= ½ + ¼=½ + ¼= ¾ + ¼ =¾ + ¼ = ¼ + ½ =¼ + ½ =

Breaking into Bigger Breaking into Bigger PartsParts

Fractions can be divided in any Fractions can be divided in any number of equal parts.number of equal parts.

Lets pretend our paper plate is a Lets pretend our paper plate is a pizza. pizza.

Divide the pizza into eight equal Divide the pizza into eight equal pieces.pieces.

The Pizza is Cut into The Pizza is Cut into Eight Equal SlicesEight Equal Slices

Questions!Questions!

If you eat 3 pieces of pizza, how If you eat 3 pieces of pizza, how much of a fraction of the pizza did much of a fraction of the pizza did you eat?you eat?

What if you were really hungry and What if you were really hungry and ate 6 slices?ate 6 slices?

Now, if you ate all eight pieces… Now, if you ate all eight pieces… How much of the pizza did you How much of the pizza did you eat?eat?

Lets Have Fun!!Lets Have Fun!!Now we are going Now we are going

to to practice!!!!!!!!

Summing It Up!!!Summing It Up!!!

What is a fraction?What is a fraction? How do add fractions together and How do add fractions together and

what has to be the same?what has to be the same? How many parts can whole be How many parts can whole be

broken into?broken into? Where are fractions?Where are fractions? Any questions?Any questions?