Dona Herweck Rice - Spectacular Sports: Flag Football: Subtraction

0covercover.xhtmlcover1page0001page0001.xhtml22page0002page0002.xhtmlSpectacular Sports Flag Football Subtraction33page0003page0003.xhtml44page0004page0004.xhtmlTable of Contents Fun for Everyone 4 Flag Football 8 How to Play 14 What It Takes 18 Problem Solving 20 Glossary 22 Index 23 Answer Key 2455page0005page0005.xhtmlFun for Everyone People around the world play and watch sports. In the United States, some people like football. It is a fast game. Players pass, run, and kick. Soccer is called football in many countries.66page0006page0006.xhtmlFootball is a rough game!77page0007page0007.xhtmlAdults play flag football.88page0008page0008.xhtmlThere is another type of football. It is called flag football! It is a fun sport that almost anyone can play. Kids play flag football.99page0009page0009.xhtmlFlag Football Flag football uses most of the skills of football. Players in both sports must be quick. They must run and catch well.1010page0010page0010.xhtmlLet's Do Math! There are 17 kids playing flag football. There are 10 players on the field. The rest are on the sideline. How many players are on the sideline? Use the pictures to solve. Write an equation to show your thinking.1111page0011page0011.xhtml1212page0012page0012.xhtmlPlayers hold the ball and run. They pass the ball, too. But the two sports have one big difference. In flag football, there is no tackling. Instead of tackling, players pull flags.1313page0013page0013.xhtmlFlags are long, bright strips of cloth. They are worn on players' belts or tucked in at the waist. The other team tries to pull off the flag of the player who is holding the ball.1414page0014page0014.xhtmlLet's Do Math! There were 12 flags on the sideline. Some players took flags to wear during the game. Now there are 3 flags on the sideline. How many players took flags? Draw or place objects on a part-part-whole model to solve. Write an equation to show your thinking. Whole Part Part1515page0015page0015.xhtmlHow to Play There are two teams in a game. The team with the ball tries to move it down the field. The other team tries to stop them.1616page0016page0016.xhtml1717page0017page0017.xhtmlA team scores a touchdown by running or catching the ball in the end zone. After a touchdown, a team gets the chance to earn another point.1818page0018page0018.xhtmlLet's Do Math! The Dolphins and the Sharks are playing a game. The Sharks score 9 points. The Dolphins score 14 points. How many more points do the Dolphins score? 1 Use the bar model to solve. Sharks 9 Dolphins 14 2 Which equation can help you solve the problem? A. 9 + 14 = B. 9 14 = C. 14 9 = 1919page0019page0019.xhtmlWhat It Takes Flag football takes skills! Players must be fast. They must use their feet, hands, and eyes to follow the ball and score. Most of all, they must want to have fun!2020page0020page0020.xhtml2121page0021page0021.xhtmlProblem Solving The big game is here! Answer the questions to track the teams' scores. 1 The Bears and the Lions each start the game with 0 points. Which symbol makes a true statement? 0 _______ 0 A > B C = 2 At halftime, the Bears have 7 points. The Lions have 14 points. How many fewer points do the Bears have? 3 At the end of the game, the Lions have 3 fewer points than the Bears. The Bears have 20 points. How many points do the Lions have? 4 Who wins the game? How do you know?2222page0022page0022.xhtml2323page0023page0023.xhtmlGlossary difference the state of not being the same football a game in which two teams run and pass to score points skills things people can do from training and practice tackling forcing another person to the ground touchdown a score in U.S. or flag football worth six points tucked in folded or turned in2424page0024page0024.xhtmlIndex flag, scores, skills, tackling, touchdown,2525page0025page0025.xhtmlAnswer Key Let's Do Math! page 9 : 7 players; 17-10 = 7 page 13 : 9 players; 12-9 = 3 page 17 : 1 5 points 2 C Problem Solving 1 C 2 7 points 3 17 points 4 Bears; 20 points is more than 17 points2626page0026page0026.xhtmlMath Talk 1 How can you use numbers and symbols to write a subtraction equation? 2 How can you use addition to check answers of subtraction problems? 3 How are these situations alike and different? a. Bill has 8 carrot sticks. He eats 3 of them. b. Kia has 8 carrot sticks. She eats some. Now she has 3 of them. 4 How can subtracting help you compare scores of two flag football teams?27

Spectacular

Sports

Flag

Football

Subtraction

Table

of

Contents

Fun

for

Everyone

Flag

Football

How

to

Play

What

It

Takes

Problem

Solving

Glossary

Index

Answer

Key

Fun

for

Everyone

People

around

the

world

play

and

watch

sports

.

In

the

United

States

,

some

people

like

football

.

It

is

a

fast

game

.

Players

pass

,

run

,

and

kick

.

Soccer

is

called

football

in

many

countries

.

football

Football

is

a

rough

game

!

Adults

play

flag

football

.