Joseph Otterman - On the Job: Dog Walkers: Data

0covercover.xhtmlcover1page0001page0001.xhtmlMath Talk 1. How do tables help you organize data? 2. Why is it important to label data? 3. What strategies can you use to compare data? 4. What questions can you ask if you want to collect data about dogs?22page0002page0002.xhtmlOn the Job Dog Walkers Data33page0003page0003.xhtml44page0004page0004.xhtmlTable of Contents So Many Leashes 4 Ready to Go 8 Walking the Dogs 12 Home Sweet Home 18 Problem Solving 20 Glossary 22 Index 23 Answer Key 2455page0005page0005.xhtmlSo Many Leashes! First, there is one leash. Next, there are two leashes. Then, there are three, four, five, and six!66page0006page0006.xhtml77page0007page0007.xhtmlThere are many dogs to walk. Each dog has one leash. But there is only one dog walker.88page0008page0008.xhtmlLet's Do Math! Jina walks many dogs in one day. Their leashes come in different colors. Use the picture graph to solve the problems. Color of Leashes red blue green represents one leash 1. Which leash color is most popular? 2. Which leash color is least popular? 3. How many dogs does Jina walk in one day? How do you know?99page0009page0009.xhtmlReady to Go The dog walker opens each door. Inside each home is one dog to walk.1010page0010page0010.xhtml1111page0011page0011.xhtmlThe dogs are happy to see the dog walker. They wag their tails. Now, it is time to go on a walk outside.1212page0012page0012.xhtml1313page0013page0013.xhtmlWalking the Dogs The dogs walk in a pack in front. The dog walker walks behind.1414page0014page0014.xhtml1515page0015page0015.xhtmlBuzz sees a cat. He growls! Coco sees a bird. She tries to run! The dog walker holds on tightly!1616page0016page0016.xhtml1717page0017page0017.xhtmlAt last, they get to the dog park. Now, they can run without their leashes on! The dog walker throws balls. The dogs fetch them!1818page0018page0018.xhtmlLet's Do Math! James asked dog owners in his neighborhood what their dogs like to fetch. Use the table to solve the problems. What does your dog like to fetch? Object Number of Owners ball 10 stick 6 flying disc 4 1. How many more dogs like to fetch balls than sticks? 2. How many fewer dogs like to fetch flying discs than balls?1919page0019page0019.xhtmlHome Sweet Home The dogs love to walk and play. But they are ready to go home. They are tired. The dog walker has done a good job!2020page0020page0020.xhtml2121page0021page0021.xhtmlProblem Solving Sometimes, dog walkers are also dog trainers. They can teach dogs tricks! Jina asked other dog walkers what their favorite trick is to teach. Complete the sentences using data from the table. 1. Most walkers chose _______ as their favorite trick. 2. The least favorite trick was _______. 3. More walkers chose _______ than _______.2222page0022page0022.xhtml What is your favorite trick to teach dogs? Trick Number of Walkers sit 5 stay 3 roll over 72323page0023page0023.xhtmlGlossary dog walker person who takes dogs for walks fetch to go after something and bring it back growls makes a deep noise to warn others to stay away leash strong strip of fabric that attaches to an animal's collar and is held by a person to keep the animal close pack group of dogs tightly with strength wag shake back and forth2424page0024page0024.xhtmlIndex bird, cat, home, leash, park,2525page0025page0025.xhtmlAnswer Key Let's Do Math! page 7 : 1. blue 2. red 3. 20; answers will vary but may include counting all the leashes. page 17 : 1. 4 dogs 2. 6 dogs Problem Solving 1. roll over 2. stay 3. Answers will vary but may include roll over and stay, roll over and sit, or sit and stay.2626page0026page0026.xhtmlMath Talk 1. How do tables help you organize data? 2. Why is it important to label data? 3. What strategies can you use to compare data? 4. What questions can you ask if you want to collect data about dogs?2727page0027page0027.xhtmlOn the Job Dog Walkers Data There are one, two, three, four, five, six leashes! But there is only one dog walker. Collect data on dogs, their leashes, and their tricks! Measurement and Data28

On

the

Job

Dog

Walkers

Data

Table

of

Contents

So

Many

Leashes

Ready

to

Go

Walking

the

Dogs

Home

Sweet

Home

Problem

Solving

Glossary

Index

Answer

Key

So

Many

Leashes

!

First

,

there

is

one

leash

.

Next

,

there

are

two

leashes

.

Then

,

there

are

three

,

four

,

five

,

and

six

!

leash

There

are

many

dogs

to

walk

.

Each

dog

has

one

leash

.

But

there

is

only

one

dog

walker

.

dog_walker

Let's

Do

Math

!

Jina

walks

many

dogs

in

one

day

.

Their

leashes

come

in

different

colors

.

Use

the

picture

graph