Fractions

Fractions

​

Equivalent Fractions

• Common Fractions that Are Equal to 1/2:

• 2/4

• 3/6

• 4/8

• 5/10

• 6/12

Equivalent Fractions

• Use multiplication to help you decide which fraction is equivalent

• EXAMPLE

• 1/4=2/8 Because the relationship is the same in the numerator and the denominator. 1x2=2 4x2=8

Multiple Choice

The pet store got 6 new sparkle collars. By the end of the day they had sold 4 of them. What fraction of the collars was sold?

• 1/2

• 2/3

• 6/4

• 1/8

Multiple Choice

Aaron and Barbie both ate the same amount of a cookie. If Aaron ate 1/4 of his cookie, how much of her cookie did Barbie eat?

• 1/6

• 1/3

• 3/12

• 2/9

Multiple Choice

1/3 = x/15

• 3
• 5
• 4
• 2

Multiple Choice

3/4 = x/12

• 3
• 4
• 9
• 6

Multiple Choice

2/3 = x/6

• 12
• 4
• 6
• 3

Comparing Fractions

• Closer the fraction is to 1 whole the greater it is

• Drawing a model will help you to determine which fraction is greater or smaller

• 
  

Multiple Choice

Larry, Moe, and Curly ordered pizza. Larry ate  $\frac{1}{8}$  of his pizza, Moe ate  $\frac{1}{4}$  of his pizza, and Curly ate  $\frac{1}{6}$  of his pizza. Who ate the most of his or her pizza?

• Larry

• Moe

• Curly

• You

Multiple Choice

Last week,Jacob's Dealership sold 30/100 of its pick-up trucks. Across town, Bloomington Autos sold 3/10 of its pick-up trucks.Which business sold a greater fraction of its pick-up trucks?

• Jacob's Dealership
• Bloomington Autos
• They both sold the same amount

Multiple Choice

John ran 2/3 of a mile.  Jason ran 5/6 of a mile.  Who ran further?

• John
• Jason
• They ran an equal amount

Multiple Choice

Kalin watched the whole football game, Jackson watched 1/4 of the game, and A'Mya watched 3/4 of the game. Who watched the shortest amount of the game?

• Kalin

• Jackson

• A'Mya

• They all watched the same amount.

Adding and Subtracting Fractions

• Rules--the denominator must the same

• Numerator Changes, Denominator stays the same

• Sometimes the answer choices will have the equivalent fraction as the answer.

Multiple Choice

Carefully following a recipe, Carly used exactly 1/8 of a cup of oil and 3/8 of a cup of water. How many cups of liquid did Carly use in all?

• 2/3 cup of oil
• 1/2 cup of oil
• 1/4 cup of oil
• 1/8 cup of oil

Multiple Choice

Jeffery had 4/8 of a cup of milk. He used 3/8 of a cup for his cereal. How much milk does he have left?

• None

• 2/4

• 1/8

• 2/8

Multiple Choice

To make some punch for a party, Michael mixed together 10 $\frac{1}{4}$   bottles of apple juice and 2 $\frac{1}{4}$   bottles of soda. How many bottles of punch did Michael make?

• 12  $\frac{1}{4}$  bottles

• 13 bottles

• 12 $\frac{2}{4}$ bottles

• 8 bottles

Multiple Choice

An amusement park sold 6 $\frac{4}{5}$ gallons of soda. 2 $\frac{1}{5}$   gallons were regular soda, and the rest was diet soda. How many gallons of diet soda were sold?

• 8 $\frac{3}{5}$   gallons

• 9 gallons

• 4 $\frac{3}{5}$   gallons

• 8 $\frac{5}{5}$   gallons

10ths and 100ths

• same rules apply when adding---the denominators have to be the same.

• You have to find the equivalent fraction first and then add

Multiple Choice

A fraction model is shown. The fraction represented in this model can be written in the form of  $\frac{?}{10}$ ? Select the numerator that would make this statement correct. 

• 40

• 400

• 4

• 5

Multiple Choice

Which of these is equivalent to  $\frac{6}{10}$  

•  $\frac{6}{100}$  

•  $\frac{60}{100}$  

•  $\frac{60}{1,000}$  

•  $\frac{10}{6}$  

Multiple Choice

 $\frac{4}{10}$  +  $\frac{13}{100}$  

• 17/100

• 9/10

• 42/100

• 53/100

Multiple Choice

 $\frac{8}{10}$  +  $\frac{17}{100}$  

• 79/10

• 97/100

• 100/970

• 8/1000

Multiplication fractions

• use repeated addition

• Example

• 5 x 1/2= 1/2+1/2+1/2+1/2+1/2=5/2

• Change improper fractions to mixed numbers by using the candy bar models

Multiple Choice

It took Ellie's mother 1/6 hour to drive him to school. It took Alex 4 times as long as this to walk to school. How long did it take Alex to walk to school? 

•  $\frac{4}{6}$  hour

•  $\frac{1}{24}$  hour

•  $\frac{4}{24}$  hour

•  $\frac{1}{10}$  hour

Multiple Choice

Make sure your answer is in the form of a mixed number

6 × 1/5

• 1 1/5

• 5/6

• 6/30

• 1 1/6

Multiple Choice

George is baking cupcakes. He is going to make 6 batches of cupcakes. Each batch needs ⅓ cup of sugar. How much sugar will he need in all?

• 6/18

• 1 2/3

• 2

Multiple Choice

Allison runs 1/5 of a mile each day of the week. If she runs everyday, how many miles will she run at the end of the week?

• 2 miles

• 1 miles

• 7/35

• 1 2/5