The Interior — Social Studies · Sports HistoryGrades K–2

Unit 1 · Play Has Kinds

Start with the story. Then go through each chapter, one lesson at a time. Each lesson has three short checks. Each chapter ends with a review. The unit ends with a wrap-up.

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1Unit

Play Has Kinds

Play

People have played for thousands of years. Greeks ran races at Olympia. People in Mexico built stone courts for a rubber ball. Each kind of play needed its own place.

Today we still build special places. Soccer uses a grass pitch. Basketball began in a gym in 1891. Races use a 400-meter track. Swimmers use pools, and hockey players use rinks.

Games also need turns everyone can see. A whistle, a starting line and a written team size help. You will learn who wrote those rules, and when.

When it happened
776 BCE

Traditional date of the first ancient Olympic Games at Olympia

1863

London clubs form the Football Association

1875

Indoor hockey game at the Victoria Skating Rink, Montreal

1886

The IFAB forms to keep soccer's laws

1891

Naismith hangs peach baskets in Springfield

1892

Naismith's thirteen rules printed in The Triangle

1900

Illinois High School Association begins

1937

First IHSA boys wrestling state champions

2022

First IHSA girls wrestling state finals

Chapter

Balls, Races, Water, Ice

Play
Big questionWhy do ball games, races, swimming and ice games each need their own place?
The story

The Floor Changes

A class walks outside and feels the ground change under their shoes.

A second-grade class lines up in the gym. The floor is smooth wood. Two hoops hang high at each end. Every step squeaks a little.

The class walks out the side door. Now the ground is soft grass. White lines mark a long rectangle. A goal net stands at each end.

Past the grass is an oval of red rubber. It has lanes painted in white. A boy taps it with his shoe. It feels springy, not soft.

Back inside, the teacher asks a question. Could you swim on the grass? Could you skate on the wood? Each kind of play needs its own ground.

Talk about itWhat is the ground like in each play place at your school?
Section 1

Very Old Play Places

1.1

Races at Olympia

Main ideaLong ago, people in Greece ran races in a stadium at Olympia.

is a place in Greece. Games were held there long ago. The traditional date for the first games is 776 BCE. They came every four years.

A main race was one length of the . The stadium was a long, straight dirt track. People sat on grassy banks beside it to watch.

Words to know
Olympia
the place in Greece where the ancient Olympic Games were held
stadium
a long place built for races, with room for people to watch
Check yourself

1. Where were the ancient Olympic Games held?

2. What was the old stadium at Olympia like?

3. Where did people sit to watch?

1.2

Stone Courts for a Rubber Ball

Main ideaPeople in ancient Mexico and Central America built stone courts for a ball game.

People in Mexico and Central America played a ball game long ago. It began more than 3,000 years ago. The ball was made of from trees.

Players needed a special place. They built a of stone. It was a long, narrow alley. High walls stood on both sides. The largest one is at Chichén Itzá in Mexico.

Words to know
rubber
a bouncy material made from the sap of certain trees
ball court
a long stone alley with walls, built for the ancient Mesoamerican ball game
Check yourself

1. What was the old ball made of?

2. What did players build for this game?

3. Where is the largest old ball court?

Section 2

Ball Games Need Room

1.3

A Pitch for Soccer

Main ideaSoccer clubs in London wrote shared rules in 1863, and the game is played on a pitch.

In 1863, clubs in London met at a tavern. They wrote shared rules for a kicking game. They named their group the .

Their game is called soccer in the United States. It is played on a . A pitch is a long rectangle of grass or turf. A goal stands at each end.

Words to know
Football Association
the group of English clubs that wrote shared soccer rules in 1863
pitch
the grass or turf rectangle where soccer is played
Check yourself

1. When did London clubs form the Football Association?

2. What is a pitch?

3. Where did the clubs meet?

1.4

A Game Made for a Gym

Main ideaJames Naismith made basketball for a gym in Springfield, Massachusetts, in 1891.

taught at a school in Springfield, Massachusetts. In December 1891, winter kept his class inside. The students were bored and restless.

Naismith needed a game that fit a . He nailed two peach baskets to the balcony. Players tossed a soccer ball at them. That game became basketball.

Words to know
James Naismith
the teacher who made up basketball in 1891
gym
a big indoor room with a hard floor, built for games and exercise
Check yourself

1. Why did Naismith need an indoor game?

2. What did Naismith nail to the balcony?

3. In what town did basketball begin?

Section 3

Paths, Water and Ice

1.5

A Lap of 400 Meters

Main ideaOne lap in the inside lane of a standard outdoor track is 400 meters.

A modern running is an oval. It has painted . Each runner stays in one lane. Lanes keep runners from bumping.

One lap in the inside lane is 400 meters. World Athletics sets that size. Tracks around the world match it. So a time in one town can be compared with another.

Words to know
track
an oval path with lanes, built for running races
lane
a marked strip that one runner stays in during a race
Check yourself

1. How long is one outdoor lap in the inside lane?

2. Why do tracks match in size?

3. What is a lane?

1.6

A Pool Has Walls

Main ideaSwim races need a pool with a measured length from wall to wall.

Swimmers race in a . A pool is a tank of water with walls. Its length is measured. Swimmers touch the wall at each end.

Many school pools in the United States are 25 yards long. The Olympic Games use a longer pool. It is 50 meters from wall to wall.

Words to know
pool
a tank of water with walls, measured for swim races
Check yourself

1. How long are many U.S. school pools?

2. How long is an Olympic pool?

3. What do swimmers touch at each end?

1.7

Ice Needs a Rink

Main ideaIce hockey moved indoors to a rink, and an NHL rink is 200 feet long.

Hockey is played on ice. People once played on frozen ponds. In 1875, a game was played indoors in Montreal, Canada. It was at the Victoria Skating .

A rink is a floor of ice with walls around it. Today a rink is 200 feet long. It is 85 feet wide. The corners are curved.

Words to know
rink
a floor of ice with walls around it, used for hockey and skating
National Hockey League
the top professional hockey league in the United States and Canada, called the NHL
Check yourself

1. Where did people play hockey before indoor rinks?

2. Where was an indoor game played in 1875?

3. How long is an NHL rink?

Chapter review

Balls, Races, Water, Ice

0 / 6

1. Where did people run races in a stadium long ago?

2. What did ancient players in Mexico build for their ball game?

3. What group wrote soccer rules in London in 1863?

4. Why did Naismith make a game for a gym?

5. Which place is 400 meters around?

6. Which place has walls that swimmers touch?

Chapter

A Turn Everyone Can See

Play
Big questionHow do a whistle, a line and a written number help everyone take fair turns?
The story

Half Freeze, Half Run

One sharp sound tells a whole field what to do.

It is field day. Sixteen children stand on the grass. Eight stand with their toes behind a white line. Eight wait on the side.

The teacher lifts a whistle. Tweet! The eight at the line dash forward. The eight on the side stay still. They know their turn comes next.

Nobody had to shout. Nobody had to argue. The line showed where to wait. The whistle showed when to go. Everyone could see and hear the same thing.

Grown-up sports use the same tools. A referee holds a whistle. A track has a starting line. A rule book says how many may play.

Talk about itWhat tells you when it is your turn at school?
Section 1

Signs Everyone Can Hear

2.1

The Referee's Whistle

Main ideaIn soccer, the referee is the one person who starts and stops play.

A soccer match has a . The rule book for soccer is the Laws of the Game. Law 5 says the referee starts and stops play.

The referee uses a . Its sharp sound carries across a big field. Every player hears the same signal at once. Fans hear it too.

Words to know
referee
the official who is in charge of a soccer match
whistle
a small tool that makes a sharp sound to start or stop play
Check yourself

1. Who starts and stops a soccer match?

2. Why does a whistle help on a big field?

3. What is soccer's rule book called?

2.2

Wait Behind the Line

Main ideaRunners wait behind one starting line so every racer begins from the same place.

A race begins at a starting . Every runner waits behind it. That way no one starts closer to the finish.

Runners must wait for the start signal. Leaving too soon is a . Under World Athletics rules, a false start can remove a runner from the race.

Words to know
line
a painted mark that shows where a race begins
false start
leaving before the start signal
Check yourself

1. What is a false start?

2. Why does everyone wait behind one line?

3. Whose rules say a false start can remove a runner?

Section 2

A Team Has a Number

2.3

Eleven on a Soccer Side

Main ideaThe Laws of the Game let each soccer team have eleven players on the pitch.

Law 3 of the Laws of the Game is about players. It says a team has up to eleven players on the pitch. One of the eleven is the .

Other players wait at the side. They are . A substitute may come on when the referee allows it. Then a player on the pitch comes off.

Words to know
goalkeeper
the player who guards a team's goal
substitutes
players who wait at the side and may come on later
Check yourself

1. How many players may one soccer team have on the pitch?

2. Who is one of the eleven?

3. When may a substitute come on?

2.4

From Nine to Five

Main ideaBasketball began with nine players a side, and later rules set five.

Naismith’s first class had eighteen students. So his first game used nine players on each . That was in December 1891.

Nine players crowded the small gym. Within a few years, rule makers chose five a side. Today five players per team are on the .

Words to know
team
a group of players who play on the same side
court
the marked floor where basketball is played
Check yourself

1. How many students were in Naismith's first class?

2. How many basketball players per team are on the court today?

3. Why did rule makers change from nine?

Section 3

One Book for Everyone

2.5

Naismith Posts His Rules

Main ideaNaismith wrote thirteen rules and posted them so every player could read them.

Before the first game, Naismith wrote his . There were thirteen. He pinned them on a board in the gym. Every player could read them.

In January 1892, the rules were printed. They appeared in the school paper, The Triangle. Soon other schools could play the same game.

Words to know
rules
written words that say what players may and may not do
Check yourself

1. How many rules did Naismith first write?

2. Where did Naismith pin his rules?

3. Where were the rules printed in 1892?

2.6

Fair Means the Same Rule

Main ideaA game is fair when both sides use the same written rules.

A game uses one set of rules for both sides. Both soccer teams follow the same Laws of the Game. Both have eleven players.

In 1886, four British football groups formed the . It still guards the Laws of the Game. So a match in Brazil uses the same laws as one in Chicago.

Words to know
fair
using the same rules for each side
IFAB
the International Football Association Board, formed in 1886, which keeps the Laws of the Game
Check yourself

1. What makes a game fair?

2. When was the IFAB formed?

3. What does the IFAB keep?

2.7

Illinois Schools Share Rules

Main ideaThe Illinois High School Association, begun in 1900, runs state contests for Illinois schools.

In 1900, Illinois schools formed the . People call it the IHSA. It helps schools across the state follow shared rules.

The IHSA runs state contests. The first boys wrestling state champions were crowned in 1937. Girls wrestling had its first state finals in 2022.

Words to know
Illinois High School Association
the group that runs state school sports in Illinois, begun in 1900; also called the IHSA
Check yourself

1. When did the IHSA begin?

2. When were the first girls wrestling state finals?

3. What does the IHSA do?

Chapter review

A Turn Everyone Can See

0 / 6

1. Who starts and stops a soccer match?

2. Leaving before the start signal is called

3. How many players does one soccer team have on the pitch?

4. How many players per side were in Naismith's first game?

5. Where were Naismith's rules printed in 1892?

6. The IHSA began in

Unit wrap-up

Play Has Kinds

Twelve words, twelve meanings

0 / 8

Tap a word, then tap its meaning. A right pair locks in green.

Words
Meanings
Unit test

Fifteen questions across the unit

0 / 10

1. Where were the ancient Olympic Games held?

2. What was the ancient Mesoamerican ball made of?

3. The Football Association began in

4. Basketball began in

5. One outdoor lap in the inside lane is

6. An NHL rink is

7. Who starts and stops a soccer match?

8. How many players does one soccer team have on the pitch?

9. Why did Naismith pin up his thirteen rules?

10. The IHSA began in

Write it

Pick two places from this unit, such as the stadium at Olympia, a pitch, a gym, a pool or a rink. For each one, tell one true fact: a date, a name or a number. Then tell why that game needs its own place.

  • Name the place.
  • Give a date, a name or a number from the unit.
  • Tell why the game needs that ground.
  • You can draw it, say it or write it.
0 wordsSaved on this device as you type.

Practice rooms

Rooms already on the site that belong to this unit — cards, quizzes, a lab.

For the teacher

Every lesson keeps its own three checks; a lesson is ticked when all three are right. Chapter reviews, the unit test and its spiral review (five questions from earlier units in this band) score on the page. When the site is connected to your sheet, or the link carries ?dest=, each one also has a Send box: the first-try score, the standards, the supports used, the attempt number and the minutes go to your sheet as an IEP data point.

Print this page for a paper copy of the readings, the sources, the words and the questions; the answers print as dashed boxes under each question.

Fact-check notes for this course live in the handoff: quotes marked (paraphrased) were set that way on purpose.