Reading Comprehension
Choose the best answers.
1 . What is the main idea of this passage?
a. Elephants leave hurt babies behind.
b. Echo helped Ely and waited for him.
c. Echo and Ely were in the same group.
2. What was Echo in her group?
a. the leader b. the baby c. the father
3. Ely had front legs when he was born.
a. strong
b. good c. weak
4. How long did it take for Ely to stand up?
a. two days b. three days c. three weeks
Check true or false. TF
5. All the elephants helped Ely stand up.
6. Echo and Ely went back to the other elephants.
Write the correct answer.
7. Why did the other elephants move away?
They needed to find food .
50
Graphic Organizer & Summary
St1ep Fill in the blanks with the words from the box.
Problem
Solution
Ely had weak front Ely’s mother , Echo,
legs and couldn’t stand up. didn’t leave him.
The other elephants needed She helped him stand
to move away. up.
helped front move mother
St2ep Complete the summary with the words from the box.
Echo was the leader of her elephant group. She had a baby named
Ely. He couldn’t up. If a baby is , elephants
usually leave it behind. However, Echo didn’t Ely. She
helped him. Three days later, Ely slowly stood up, and they joined their
again.
leave hurt leader group stand
Lesson 7 • Families 51
8 BobbieHistory
Families the Wonder Dog
Warm Up
Look at the picture. What words come to your mind? Circle them.
pet boring family
fun trip happy
52
Key Words 16 4.
5.
Follow the lines and write the correct words. 6.
1.
chase
amazed
2.
return
gas station
3. appear
tired
Practice
Read and choose the correct words.
1. My brother always (appears / chases) me.
2. She is (amazed / talented) by the big carrot.
3. The cars stopped at a (trip / gas station).
4. Suddenly, a rainbow (appeared / chased) in the sky.
5. If you throw a boomerang, it will (leave / return) to you.
6. I finished washing the dishes. I’m very (born / tired) now.
Lesson 8 • Families 53
FAMILIES
History Bobbie
the Wonder Dog 17
Why did people call Bobbie the dog loved his human family very
much. He always wanted to be with them.
Bobbie “the Wonder
Dog”? In 1923, Bobbie and his family went on a trip
to Indiana. At a gas station, some other dogs
chased Bobbie away. Bobbie’s family looked
everywhere, but they couldn’t find him. They
returned sadly to their home in Oregon.
54
Silverton,
Oregon
Wolcott,
Indiana
Bobbie’s Journey
Six months later, they were surprised. Bobbie
appeared in their town! His feet were worn and
tired. Later, many people said they saw Bobbie in
other cities. He walked over 4,500 kilometers for six
months to get home.
Everyone was amazed. They started calling him
“Bobbie the Wonder Dog”!
Words 104
Connect to Yourself
Have you ever been far
away from your family?
Lesson 8 • Families 55
Reading Comprehension
Choose the best answers.
1 . What is this passage mainly about?
a. Bobbie and his dog family
b. Bobbie and his amazing trip home
c. Bobbie and his home
2. Bobbie got lost on a family trip to .
c. New York
a. Indiana b. Oregon
3. How did Bobbie get lost?
a. He chased a car. b. He took a nap. c. Some dogs chased him away.
4. What happened six months after Bobbie got lost?
a. He went to a gas station.
b. He found another family.
c. He came back home.
Check true or false. TF
5. Bobbie’s home was in Oregon.
6. Bobbie walked over 5,400 kilometers to get home.
Write the correct answers.
7. How were Bobbie’s feet when he got home?
They were worn and tired .
56
Graphic Organizer & Summary
St1ep Write the numbers in the correct order.
Bobbie and his family traveled to Indiana.
Bobbie spent six months walking home.
Bobbie’s family lost him at a gas station.
People called him “Bobbie the Wonder Dog.”
Bobbie’s family sadly went home without him.
St2ep Complete the summary with the words from the box.
In 1923, Bobbie the dog went on a trip with his family. At
gas station, other dogs chased Bobbie away. His family couldn’t
him and went back home. Six months later, he
to his family. He walked a long way to get . People were
amazed and started calling him “Bobbie the Wonder Dog.”
returned trip chased home find
Lesson 8 • Families 57
HolesCHAPTER 3
What kinds of holes do
you see every day?
9L E S S O N 10LESSON
thTehHeuHmoalensBoofdy Prairie Dog
Holes
& Health Scie
Science
History
nce
M
Holes
12LESSON 11LESSON
ath Art &
Let’s Play A Famous Hole
Mancala! in France
The Holes of theScience&Health
9Holes Human Body
Warm Up
What do the holes in your face do? Guess and match.
2 1
3
a . This hole helps us talk and eat.
1. e ars b. These holes help us smell.
2. n ose c. These holes help us hear.
3. mouth
Answers: 1. (c), 2. (b), 3. (a)
60
Key Words 18 4.
5.
Follow the lines and write the correct words. 6.
1.
dust
connect
2.
tiny
breathe
3. belly button
tube
Practice
Read and choose the correct words.
1. Look at the frog on the finger! It is very (tiny / messy).
2. You can clean up (weather / dust) with a broom.
3. She (breathes / connects) the fresh air outside.
4. This green (dust / tube) looks like a snake.
5. The baby has a little (belly button / gas station).
6. If you (connect / breathe) the plug, the TV will turn on.
Lesson 9 • Holes 61
HOLES The Holes of the
Human Body 19
Science & Health Think about the holes in your body. Each hole
has a special job.
What do the holes
in your body do? Your nose has two holes. You breathe and smell
with them. They also have small hairs inside.
These hairs keep dust away.
Your skin has many tiny holes. Your sweat
comes out of them. Sweat keeps your body cool
when the weather is hot.
62
There is also a hole in your stomach. It is your
belly button. Before you were born, a tube connected
you and your mother. The tube fell off and left your
belly button.
Our bodies have lots of holes. They are all very
useful.
Words 101
Connect to Yourself
Which hole in your body
is the most helpful?
Lesson 9 • Holes 63
Reading Comprehension
Choose the best answers.
1. What is this passage mainly about?
a. why there are many holes in your skin
b. what your nose and sweat do
c. the holes in your body and their jobs
2. What things are in your nose?
a. sweat holes b. tiny hairs c. belly buttons
3. What comes out of your skin in hot weather?
a. tears b. dust c. sweat
4. Your belly button comes from a between you and your mother.
c. stomach
a. button b. tube
Check true or false. TF
5. There are a lot of little holes in your skin.
6. Before you were born, you and your mother were connected.
Write the correct answer.
7. What do the holes in your nose do?
They help me and smell.
64
Graphic Organizer & Summary
St1ep Fill in the blanks with the words from the box.
Your nose has two holes.
There are small inside. They
keep your nose clean.
Y our has a lot of tiny holes.
comes out of them.
Your belly button is in stomach .
your It started as a tubeconnecting you
and your mother.
sweat skin nose tube hairs stomach
St2ep Complete the summary with the words from the box.
In your body, there are many . You use your nose to
. Its tiny hairs keep it . Also, your skin has
many little holes. Sweat comes out of them in weather.
Last, your is a hole in your stomach. It came from a tube
between you and your mother.
breathe hot clean belly button holes
Lesson 9 • Holes 65
Science
10 Prairie Dog Holes
Holes
Warm Up
What do you know about
prairie dogs?
P rairie dogs make noises like dogs.
Key Words 20
Read the words. Then circle them in the sentences above.
1. 2. 3.
underground burrow dig
66
Prairie dogs love
to eat grass.
They can dig holes
with their claws.
They live in underground
burrows. The burrows
have tunnels and exits.
4. 5. 6.
claw
tunnel exit
Lesson 10 • Holes 67
HOLESPrairie Dog Holes 21
Science Prairie dogs live in underground holes. These
holes are called burrows.
Prairie dogs work together to dig burrows. They
use their long, sharp claws. These burrows are
usually two to three meters deep. There are two
holes for going in and out. There are also long
tunnels and many rooms inside.
What do prairie dog
burrows look like?
68
Each room is useful. In some rooms, prairie dogs
eat. They sleep and care for their babies in other
rooms. There is also a listening room. This room is
close to the exit hole. They listen and wait there.
They come out when it is safe.
Next time you see a hole in the ground, imagine
prairie dogs’ homes!
Words 110
Connect to Yourself
Do you want to live under-
ground? Why or why not?
Lesson 10 • Holes 69
Reading Comprehension
Choose the best answers.
1. What is the main idea of this passage?
a. Prairie dogs need many rooms.
b. Prairie dogs like to live together.
c. Prairie dogs live in underground burrows.
2. What do prairie dogs use to dig burrows?
a. their teeth b. their claws c. their tails
3. Prairie dog burrows are about meters deep.
c. six to seven
a. two to three b. four to five
4. Why do prairie dogs have listening rooms?
a. to sleep in
b. to care for their babies
c. to listen for danger
Check true or false. TF
5. Prairie dog burrows have long tunnels.
6. Each burrow has a room for caring for prairie dog babies.
Write the correct answers.
7. Where is the prairie dogs’ listening room?
It is close to the exit hole .
70
Graphic Organizer & Summary
St1ep Fill in the blanks with the words from the box.
Prairie Dog Burrows and out
holes
to three meters deep
two for going
tunnels and many useful
in underground two rooms holes
St2ep Complete the summary with the words from the box.
Prairie dogs underground homes. Their underground homes
are called . They are about two to three meters deep. There
are also many rooms and inside them. The prairie dogs eat,
, and take care of their babies in different rooms. They also
listen for in the listening room.
danger burrows sleep make tunnels
Lesson 10 • Holes 71
11 A Famous HoleArt&History
Holes in France
Warm Up
Look at the picture. What words come to your mind? Circle them.
dark scary interesting
bats fun cold
72
Key Words 22 wall lantern
treasure cave
Fill in the blanks and read the words. painting explore
1. 2.
3.
e x pl o re c av e la n te r n
6.
4. 5.
pa i n t in g wa l l t re a s u re
Practice Lesson 11 • Holes 73
Read and choose the correct words.
1. The box is full of cave .
treasure
2. It’s dark. Let’s bring a lantern .
painting
3. The scientist is exploring a new area.
breathing
4. The lantern shows the sky and grass.
painting
5. There is a very big powder in the mountain.
cave
6. Let’s hang a picture on the wall .
dust
HOLES
Art & History A Famous
Hole in France 23
What did the four In 1940, four boys explored the Lascaux Hill
boys find in a cave in France. They found a mysterious hole. It was a
in France? large cave!
The boys brought a lantern into the cave. They
saw many old paintings on the walls. There were
paintings of large animals, like cows and horses.
There were also paintings of people.
•Paris
FRANCE
•Lascaux
Lascaux
74
Later, scientists studied the Lascaux Cave paintings.
There were about 2,000 paintings in the cave. They
were over 17,000 years old! The scientists used the
paintings to learn about life long ago.
Thanks to the boys, we have these amazing
treasures now.
Words 94
Connect to Yourself
Do you want to visit the
Lascaux Cave? Why or
why not?
Lesson 11 • Holes 75
Reading Comprehension
Choose the best answers.
1 . What is the main idea of this passage?
a. The Lascaux Cave is a popular place to visit.
b. The Lascaux Cave teaches us about history.
c. Scientists love to study the Lascaux Cave.
2. In 1940, four boys found a mysterious .
c. hill
a. hole b. scientist
3. What things were NOT painted in the caves?
a. animals b. people c. lanterns
4. What did scientists do with the Lascaux paintings?
a. learned how to paint
b. studied life long ago
c. found more caves
Check true or false. TF
5. The boys brought candles into the cave.
6. The Lascaux Cave has about 2,000 paintings.
Write the correct answer. .
7. Where did the boys find the cave?
They found it in the Lascaux Hill in
76
Graphic Organizer & Summary
St1ep Fill in the blanks with the words from the box.
The Lascaux Cave
found by four and people
paintings of over 17,000 years old
about 2,000 life long ago
useful for
animals studying paintings boys
St2ep Complete the summary with the words from the box.
In 1940, four boys found a mysterious hole in France. It was a big
cave ! Inside the cave, there were a lot of paintings on the
walls . The paintings showed animals and people. They were
over 17,000 years old. The Lascaux Cave teaches us about
long ago.
life mysterious people cave walls
Lesson 11 • Holes 77
Math
12 Let’s Play Mancala!
Holes
Warm Up
Do you know about mancala, a game with holes? Read about it.
Mancala is an African board game. The board has many holes with
stones in them. “Mancala” means “to move.” You play by moving the
stones.
78
Key Words 24 4.
Read the words and find them in the puzzle.
1.
board p t emp t y p land
2. i we y ud sm empty
c q f p e p t n 5.
stone k f zoh l os
3. ugx i k j n l
phw i n a e a
hspo i edn
b o a r d q x d 6.
pick up win
Practice Lesson 12 • Holes 79
Read and choose the correct words.
1. The chess pieces are on the (board / exit).
2. Please (breathe / pick up) the bottle carefully.
3. She threw (stones / caves) into the river.
4. I want to (win / read) the race tomorrow.
5. The airplane is (picking up / landing) on the ground.
6. Please pour some juice in the (empty / amazed) glass.
HOLES
Math
Let’s Play Mancala! 25
What are the rules Mancala is one of the world’s oldest games.
of mancala? Let’s learn how to play it!
Two people can play mancala. Each player
has six small holes on the board. Each hole holds
four stones. The large hole on each end is called a
mancala.
Player A
mancala mancala
Player B
80
If the last stone
goes in your mancala,
you can move again!
To play, pick up all the stones from one of your
holes. Put one stone in each hole to the right. If the
last stone lands in your mancala, you can move
again!
Mancala ends when one player’s side is empty.
Then, the players count the stones in their mancalas.
The person with the most stones wins!
Words 100
Connect to Yourself
What is your favorite
board game?
Lesson 12 • Holes 81
Reading Comprehension
Choose the best answers.
1. What is this passage mainly about?
a. how to collect interesting stones
b. how to play an old board game
c. how to move colorful stones
2. How many players can play mancala?
a. two b. four c. six
3. How many holes are on each side on the board?
a. two b. six c. twelve
4. The game ends when .
a. one mancala is empty
b. all the holes are empty
c. one player’s side is empty
Check true or false. TF
5. The small holes on the board are called mancalas.
6. Players move to the left on the game board.
Write the correct answers.
7. When can you move your stones again in the same turn?
I can do it when the last stone lands in my mancala.
82
Graphic Organizer & Summary
St1ep Fill in the blanks with the words from the box.
Mancala
What You Need How You Play
t wo Pick up all the stones from
one game board with one of your holes.
six holes on each side Put one stone in each hole to
2 4 for each player the right .
The game is over when one
player’s side is empty .
empty stones players board right
St2ep Complete the summary with the words from the box.
Playing mancala is fun. You need two players to play. First,
put stones in each of the small holes. Then choose one of
four
holetsh. ePick up the stones from the hole and them to the
right. The game when one player’s side is empty. The player
with the most stones in their mancala the game.
four ends two wins move
Lesson 12 • Holes 83
BCHAuPTEtRt4 erflies
Why are butterflies
important?
13LESSON 14LESSON
TohfeaLBifuettCeyrcfllye Butterflies and
Moths
nce Sci
Scie
tory
ence
Social
Butterflies
16LESSON Studies His 15LESSON
ButTtehreflyHDopaince The Butterfly
People
13Science The Life Cycle
of a ButterflyButterflies
Warm Up
How do butterflies grow?
A butterfly lays eggs on a leaf. A caterpillar hatches
from an egg and grows.
Key Words 26
Read the words. Then circle them in the sentences above.
1. 2. 3.
grow lay caterpillar
86
The pupa becomes a butterfly.
The caterpillar becomes a
pupa. It has a hard shell.
4. 5. 6.
hatch hard shell
Lesson 13 • Butterflies 87
BUTTERFLIES The Life Cycle
of a Butterfly 27
Science Do you know how butterflies grow? Each
butterfly has a special life cycle. It changes while
How does a butterfly it grows!
change as it grows?
A butterfly comes from an egg. A mother
butterfly lays the egg on a plant.
After 3 to 12 days, a caterpillar hatches from
the egg. The caterpillar eats the plant’s leaves.
It grows big and fat. Then it makes a hard shell
around its body.
Yum ...
this leaf is so delicious!
88
Inside the shell, the caterpillar becomes
a pupa. The pupa doesn’t eat or drink anything.
Its body changes slowly.
After two weeks, a beautiful butterfly finally
comes into the world!
Words 94
Connect to Yourself
How do you change as
you grow?
Lesson 13 • Butterflies 89
Reading Comprehension
Choose the best answers.
1 . What is this passage mainly about?
a. how butterflies grow
b. what to feed butterflies
c. where to build butterfly houses
2. A mother butterfly lays eggs on a .
c. river
a. stone b. plant
3. How long does it take for a caterpillar to hatch from an egg?
a. 3 to 12 days b. 3 weeks c. 12 weeks
4. What does a caterpillar eat to grow?
a. eggs b. honey c. leaves
Check true or false. TF
5. A caterpillar becomes a pupa inside a hard shell.
6. A pupa eats a lot to grow into a butterfly.
Write the correct answer.
7. How does a butterfly start its life cycle?
It comes from an egg .
90
Graphic Organizer & Summary
St1ep Write the numbers in the correct order.
The Life Cycle of a Butterfly
The pupa becomes a butterfly after two weeks.
A mother butterfly lays an egg on a plant.
The caterpillar changes into a pupa inside a hard shell.
A caterpillar hatches from the egg after 3 to 12 days.
St2ep Complete the summary with the words from the box.
A butterfly has a special cycle. It starts as an egg. From
the egg, a caterpillar hatches. It plant leaves and grows.
It gets a hard shell around its body. Then the caterpillar becomes
a pupa. After two , it becomes a butterfly.
hard weeks eats life caterpillar
Lesson 13 • Butterflies 91
Science
14 Butterflies and Moths
Butterflies
Warm Up
How are butterflies different from moths? Circle “B” (butterfly) or “M”
(moth).
1. 2.
BM BM
3. 4.
BM BM
5. T his insect is colorful. BM
6. T his insect has a furry body. BM
7. T his insect has a thin body. BM
92 Answers: 1. (M), 2. (B), 3. (B), 4. (M), 5. (B), 6. (M), 7. (B)
Key Words 28 4.
Read the words and find them in the puzzle.
1.
similar s t r awt r e 5. straw
2. i apqaws t 6. thin
mm f u r r y s
side i qo r ep l i
3. l p k t v nmd
aeoth i ne
r r uqw t r y
y ho l l owu
hollow furry
Practice
Read and choose the correct words.
1. The book is very (underground / thin).
2. We need to fix the (straw / side) of the chair.
3. She is wearing a (furry / hurt) hat.
4. These houses look (furry / similar).
5. This pumpkin is (hollow / messy).
6. I will drink the soda through the (caterpillar / straw).
Lesson 14 • Butterflies 93
BUTTERFLIES
Science
Butterflies and Moths 29
How are butterflies We often see butterflies and moths. They look
and moths the same? the same, but in some ways they are different.
How are they
different? Butterflies and moths are similar. They both
have two wings and three legs on each side. They
also have long, hollow tongues like straws. They
use them to drink flower nectar.
94
Moths fly
around at night.
Butterflies fly around
during the day.
Moths have fur.
However, butterflies and moths are different, too.
Butterflies are bigger than moths. They have thin
bodies and colorful wings. They don’t have fur. But
moths are fat and furry. Their wings are usually
brown or gray. Moths fly around at night, but
butterflies fly around during the day.
Let’s go outside and look for butterflies and
moths!
Words 105
Connect to Yourself
Which do you like more,
butterflies or moths? Why?
Lesson 14 • Butterflies 95
Reading Comprehension
Choose the best answers.
1. What is the main idea of this passage?
a. Butterflies and moths look the same.
b. There are butterflies and moths everywhere.
c. Butterflies and moths are both similar and different.
2. How many legs do butterflies and moths have?
a. two b. four c. six
3. Butterflies and moths have tongues to drink nectar.
c. twisted
a. thick b. hollow
4. What are moths’ bodies like?
a. fat and colorful b. thin and furry c. fat and furry
Check true or false. TF
5. Butterflies and moths have two wings on each side.
6. Moths are usually larger than butterflies.
Write the correct answer. .
7. When do butterflies fly around?
They fly around during the
96
Graphic Organizer & Summary
St1ep Fill in the blanks with the words from the box.
Butterflies Both Moths
two wings s maller
thin bodies on each side
six , furry
wings bodies
f ly around long , b rown or
during the hollow tongues gray wings
day f ly around at
night fat legs bigger long colorful
St2ep Complete the summary with the words from the box.
Butterflies and moths are similar. They have the same number of
and legs. Also, they have similar . However,
they are different, too. Butterflies have bodies and colorful
wings. They fly around during the day. But moths have fat,
bodies and brown or wings. They fly around at night.
furry wings gray tongues thin
Lesson 14 • Butterflies 97
History
15 The Butterfly People
Butterflies
Warm Up
What do you know about monarch butterflies? Guess and check true or
false.
TF
1. M onarchs are common in North America.
2. M onarchs like cold weather.
3. M onarchs can fly far away.
98 Answers: 1. (T), 2. (F), 3. (T)
Key Words 30 4.
5.
Follow the lines and write the correct words. 6.
1.
wonder
mail
2.
sticker
leave
3. marry
find
Practice
Read and choose the correct words.
1. I’ll (wonder / mail) a letter to my grandpa.
2. I like to collect space (stickers / straws).
3. My uncle and aunt got (hatched / married) in July.
4. I (leave / wonder) why some birds fly south in winter.
5. The boy (married / found) a coin on the sofa.
6. My dad always waves when he (leaves / grows).
Lesson 15 • Butterflies 99