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Name
Lesson 1
Reteach
Take a Survey
Use the survey to answer each question.
Look at your classmates. Make one tally mark to show
what each classmate is wearing. Complete the chart.
Clothes in the Classroom
Jeans
Sweaters
T-Shirts
Skirts
1. How many students are wearing sweaters?
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2. How many students are wearing T-shirts?
3. Which got more marks, jeans or skirts?
4. What item is worn the least?
5. What item is worn the most?
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Lesson 2
Reteach
Make Picture Graphs
You can use data from this tally chart to make a
picture graph.
Favorite Sport
Sport
Tally
Total
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5
3
8
Use the tally chart above to make a picture graph.
Favorite Sport
Hockey
Ice Skating
Soccer
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Lesson 3
Reteach
Analyze Picture Graphs
You can use a picture graph to answer questions.
Favorite Sport
Baseball
Basketball
Soccer
What is the favorite sport?
soccer
Use the data from the graph below to answer
the questions.
Car
Motorcycle
Truck
Key: Each vehicle stands for 1 vote.
1. How many more students voted for truck
than for car?
more students
2. Which vehicle is the favorite?
3. How many students voted in all?
78
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Favorite Vehicle
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Lesson 4
Reteach
Make Bar Graphs
Bar graphs use bars to show data. You can make
a bar graph with data you read. Record the data to
complete the bar graph.
Favorite Fruit
Apples
Bananas
Oranges
Pears
1
0
2
3
4
5
6
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Number of Votes
Data:
Four people voted for apples. Show this on the graph.
Five people voted for oranges. Show this on the graph.
Two people voted for pears. Show this on the graph.
Three people voted for bananas. Show this on the graph.
Answer each question.
1. What is the title of this bar graph?
2. How many kinds of fruit are shown in the graph?
3. How many votes did apples get?
kinds
votes
4. What is the favorite fruit?
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Lesson 5
Reteach
Analyze Bar Graphs
Use the bar graph to complete the sentences.
Favorite Drinks
Milk
Water
Lemonade
Orange juice
0 1 2 3 4 5 6 7 8 9 10
Number of Votes
1. Students’ favorite drink is
.
2. Milk has 5 more votes than
.
or
4. How many people were surveyed?
.
people
5. How might this graph help the people who run the
cafeteria?
6. If the cafeteria could serve only two drinks, which
two should they serve?
Why?
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3. 13 students voted for
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Lesson 6
Reteach (1)
Problem Solving
STRATEGY: Make a Table
Gloria buys seeds for her garden.
Each packet of seeds has 7 seeds inside.
Gloria buys 3 packets. How many seeds does
she buy altogether?
Step 1
What do I know?
Understand
Gloria buys 3 packets of seeds.
Each packet has 7 seeds
What do I need to find?
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I need to find
.
Step 2
Plan
How will I find the answer?
Step 3
Solve
Solve.
Make a table.
I can make a table.
How many seeds are there altogether?
seeds
Step 4
Check
Is my answer reasonable?
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No
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Grade 2 • Chapter 9 Subtract Three-Digit Numbers
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Yes
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Lesson 6
Reteach (2)
Problem Solving
STRATEGY: Make a Table
Make a table to solve.
1. Don’s Diner sells 6 morning
specials. 2 eggs come with
each special.
How many eggs does Don’s
Diner use for the specials?
Show your work here.
eggs
2. Karla finds $1 under her pillow
when she loses a tooth.
Last year, she lost 3 teeth.
How much money did she
find under her pillow?
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3. After the morning show at
Aqua World, each dolphin
gets a 4-fish snack.
There are 5 dolphins.
How many fish do they feed
the dolphins after the show?
fish
4. At TV Mart, they need 40 batteries
to power all of their remote controls.
8 batteries come in a pack.
How many packs of batteries will
they need to fill all the remote controls?
packs
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Lesson 7
Reteach
Make Line Plots
Line plots are used to show data when you want
to see how often a certain number occurs in
your data.
Use the information in the chart to complete the line plot.
1.
X
X
X
X
X
X X X
X X X
Students’Ages
Age: 6
Sam
Josiah
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Age: 7
Morgan Jake
Harper Hayden
Megan Ryder
Age: 8
Lucia
0
1
2
3
4
5
6
7
8
Avery
2. Number of Pets
Pets: 1
Jacob Mason
Kaylee Layla
Pets: 2
Raul
Emilia
Jeff
Pets: 3
Pablo
Millie
Jaden
0
1
2
3
4
5
Mario
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Lesson 8
Reteach
Analyze Line Plots
Connor made this line plot to show the number
of blocks students walk each day to school. Each
X represents one student. Use the line plot to
answer the questions.
0
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
1
2
3
4
5
1. Look at the number of Xs above the 1. How many
students walk 1 block?
2. Look at the number of Xs above the 2 and 3.
How many students walk 2 or 3 blocks to school?
students
3. Look at the number of Xs above the 2 and 5. How
many more students walk 2 blocks than 5 blocks?
students
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students