139

Multiplying fractions and whole numbers

  • Upload
    leann

  • View
    40

  • Download
    0

Embed Size (px)

DESCRIPTION

Multiplying fractions and whole numbers. Multiplying fractions. Multiplying mixed numbers. Dividing fractions. Dividing mixed numbers. Pot Luck. Multiplying fractions. Multiplying fractions and whole numbers. Dividing mixed numbers. Pot Luck. Multiplying mixed numbers. Dividing - PowerPoint PPT Presentation

Citation preview

No Slide Title

Multiplying fractions and whole numbersMultiplying fractionsMultiplying mixednumbersDividing fractionsDividing mixed numbersPotLuck$100$200$300$400$500$100$200$300$400$500$100$200$300$400$500$100$200$300$400$500$100$200$300$400$500$100$200$300$400$5008

Peter's truck gets him 10 2/3 miles per gallon. Suppose Peter's tank is empty and he puts 5 1/2 gallons, how far can Peter go with the truck?

An electrician needs to buy 7 1/2 feet of electrical wire. There are 2 1/2 feet of wire on each spool. How many spools of wire should the electrician buy?

Final JeopardyPlace your wager.. Dividing fractionsType Subject 1$800 AnswerHereType Subject 1$1000 AnswerHereType Subject 2$200 AnswerHereType Subject 2$400 AnswerHereType Subject 2$600 AnswerHereType Subject 2$800 AnswerHereType Subject 2$1000 AnswerHereType Subject 3$200 AnswerHere

At Wade's Restaurant, 1/6 of the dishes on the menu are vegetarian. Of the vegetarian dishes, 3/4 are pasta dishes. What fraction of the dishes on the menu are vegetarian pasta dishes?

X 1

1

x

x31 in.Find the area of the rectangle1

in.xEstimate the following:

42What is the reciprocal of

?

6What algorithm is represented below, include your answer.

A cookie factory uses 1 1/8 barrels of oatmeal in each batch of cookies. The factory used 4 1/2 barrels of oatmeal yesterday. How many batches of cookies did the factory make?

Sheng bought a piece of rope that was 5 7/10 inches long. He cut the rope into 3 equal pieces. How long is each piece of rope?

3

403DailyDouble!!

=

4yWhen y6

83What is the #1 rule when multiplying and dividing fractions? What is it called when there is a whole number and a fraction?What is the only number WITHOUT a reciprocal?What is the reciprocal of 1?What is it called when the numerator is bigger than the denominator?x1

=

x=

in24 x 3 = 12

x=

=

3 1= 155

41

x=

=5

x==

11

x=

=1

x==

2x==Make sure that

everything is in

form!

A mixed number0

An improper fraction

TypeSubjectHere (1)

TypeSubjectHere (2)TypeSubjectHere (3)TypeSubjectHere (4)TypeSubjectHere (5)TypeSubjectHere (6)7 1/2 2 1/2 3Remember, we are taking the whole and want to know how many groups (spools) fit into the whole.2. Change each fraction to an improper fraction.3. Change the division symbol to a multiplication symbol.4. Write the reciprocal of the second number.

Type Subject 1$600 QuestionHereType Subject 1$800 QuestionHereType Subject 1$1000 QuestionHereType Subject 2$200 QuestionHereType Subject 2$400 QuestionHereType Subject 2$600 QuestionHereType Subject 2$800 QuestionHereType Subject 2$1000 QuestionHereType Subject 3$200 QuestionHereType Subject 3$400 AnswerHereType Subject 3$400 QuestionHereType Subject 3$600 QuestionHereType Subject 3$800 QuestionHereType Subject 3$1000 QuestionHereType Subject 4$200 QuestionHereType Subject 4$400 QuestionHereType Subject 4$600 QuestionHereType Subject 4$800 QuestionHereType Subject 4$1000 QuestionHereType Subject 5$200 QuestionHereType Subject 5$400 QuestionHereType Subject 5$600 QuestionHereType Subject 5$800 QuestionHereDailyDouble!!

Type Subject 5$1000 QuestionHereType Subject 6$200 QuestionHereType Subject 6$400 QuestionHereType Subject 6$600 QuestionHereType Subject 6$800 QuestionHereType Subject 6$1000 QuestionHereWrite the Final Answer Here