Find the value of each expression

𝟏𝟗

𝟏𝟏𝟑𝟎

𝟐𝟑

𝟐𝟑

September 9, 2015

Warm-Up:

45∙56

13+710

49−13

215÷15

1. 2.

3. 4.

Homework

Worksheet 1.5

Objective

Write down the objective in your math journal in your own words.

SWBAT perform simple calculations with mixed numbers

Operations with Mixed Numbers

1. Write each mixed number as an improper fraction.

2. Follow the procedures for adding, subtracting, multiplying or dividing fractions.

3. Write the answer in simplest form. Convert the answer to a mixed number if needed.

Explore! Rope Rodeo

Four friends participate in the rodeo and purchased rope to use in different events.

Page 20-21

Work together as a group to complete steps 1-4

Explore! Rope RodeoFour friends participate in the rodeo and purchased rope to use in different events.

Step 1 Keenan purchased two pieces of rope. One piece of rope is yards long. The other piece is yards long. Keenan needs help finding the total length of rope he purchased.

a. Write each mixed number as an improper fraction.

b. Determine which operation (add, subtract, multiply or divide) should be used.

c. Follow the rules for that operation. Do you need a common denominator? Do you need the reciprocal? Look at Lesson 3 and Lesson 4 if you need help remembering the procedures.

d. Simplify your answer and convert it to a mixed number, if needed.

Explore! Rope Rodeo

Step 2Laura bought a piece of rope that is yards long. She wants to cut it into equal sized pieces that are each yards long. Help her determine how many pieces of rope she will have after cutting it.

a. Write each mixed number as an improper fraction. b. Determine which operation (add, subtract, multiply

or divide) should be used. c. Follow the rules for that operation. d. Simplify your answer and convert it to a mixed

number, if needed.

Explore! Rope Rodeo

Step 3Olivia bought a piece of rope that was yards long. She cut off a piece that was yards long so that the remaining piece would be just the right size. Help Olivia determine how long her remaining piece is.

a. Write each mixed number as an improper fraction. b. Determine which operation (add, subtract, multiply or

divide)should be used.

c. Follow the rules for that operation. d. Simplify your answer and convert it to a mixed

number, if needed.

Explore! Rope Rodeo

Step 4 Gregory’s father told him he needed a rope that was times the length of his arm. If Gregory’s arm is feet long, what length of rope does he need?

Step 5 In your own words, explain how to add, subtract, multiply and divide with mixed numbers.

Good to Know!

When finding the reciprocal of a whole number, write the whole number as a fraction over 1 and then “flip” the fraction.

Reciprocal3=

31

13

Exit Problems

1. Find the value of

2. Monica had yards of ribbon. She purchased an additional yards of ribbon. How many total yards of ribbon does she have?

3. Ivan walked miles over days. He walks the same amount each day. How far is his daily walk?

4. Find the value of

𝟏𝟑𝟒

𝟓𝟏𝟔𝒚𝒂𝒓𝒅𝒔

𝟏𝟑𝟖𝒎𝒊𝒍𝒆𝒔

𝟒𝟏𝟐