Name
Lesson 1 Reteach
Inches
You can measure with inches. Use an inch ruler to
measure the length or height of objects.
About how tall is the chair? Circle the better estimate.
about 6 inches
about 24 inches
Think of the real object. Then circle the
better estimate.
1.
about 5 inches
about 2 inches
3.
step
about 7 inches
about 14 inches
2.
about 24 inches
about 7 inches
4.
about 9 inches
about 18 inches92 Grade 2 • Chapter 11 Customary and Metric Lengths
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Lesson 2 Reteach
Feet and Yards
A ruler is equal to 12 inches or 1 foot.A yard is equal to 3 feet. A yardstick equals 3 rulers.
Use rulers to measure shorter lengths.Use yardsticks to measure longer lengths.
Circle the better unit.
1.
length of a school bus yardstick ruler
2.
height of the chair yardstick ruler
3.
length of a slide yardstick ruler
10 2 3 4 5 6 7 8 9 10 11 12IN. 10 2 3 4 5 6 7 8 9 10 11 12
IN.
10 2 3 4 5 6 7 8 9 10 11 12IN.
10 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 IN.
Grade 2 • Chapter 11 Customary and Metric Lengths 93
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Lesson 3 Reteach
Select and Use Customary Tools
There are different tools for measuring length.
Inch Ruler Yardstick
1 foot 3 feet12 inches 36 inches
Circle the tool you would use to measure the real object.
1. yardstick inch ruler
the length of a bee
2. inch ruler yardstick
the length of a comb
3. inch ruler yardstick
the length of a firetruck
C10-
03A-
1122
61
45
67
89
1011
121
0
23
45
67
89
1011
12
IN.
10
23
45
67
89
1011
1
IN.
10
23
45
67
89
1011
1213
1415
1617
1819
2021
2223
2425
2627
2829
3031
3233
3435
36
IN.
12
34
56
78
910
94 Grade 2 • Chapter 11 Customary and Metric Lengths
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Lesson 4 Reteach
Compare Customary Lengths
You can compare the lengths of objects by saying
which object is longer or shorter.
Compare the length of the caterpillar with the length of the dragonfly. Circle the longer insect.
Compare the lengths of the objects. Circle the
longer object.
1.
2.
Grade 2 • Chapter 11 Customary and Metric Lengths 95
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Name
Lesson 5 Reteach
Relate Inches, Feet, and Yards
1 inch is less than 1 foot.
1 foot is less than 1 yard.
So, 1 inch < 1 foot < 1 yard.
Look at each length. Circle the shortest length.
1. 2 feet 2 inches 2 yards
2. 5 yards 5 feet 5 inches
3. 12 feet 12 inches 12 yards
4. 50 inches 50 feet 50 yards
Look at each length. Circle the longest length.
5. 32 feet 32 inches 32 yards
6. 5 yards 5 feet 5 inches
7. 300 feet 300 inches 300 yards
8. 950 inches 950 feet 950 yards
96 Grade 2 • Chapter 11 Customary and Metric Lengths
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Lesson 6 Reteach (1)
Problem Solving STRATEGY: Use Logical Reasoning
Will’s family has these three heights:
6 feet 5 feet 4 feet
Will is the shortest.
Will’s dad is 2 feet taller than Will.
How tall is Will’s sister?
What do I know?
Will is the shortest. Will’s dad is 2 feet taller than Will.
What do I need to find out?
How tall is Will’s sister?
Understand
Step 1
Plan
Step 2
Solve
Step 3 Carry out your plan.
Will is shortest, so he must be 4 feet tall . Will’s dad is 2 feet taller than Will, so he
must be 6 feet tall .
One height is left: 5 feet .
Will’s sister must be 5 feet tall .
How will I find out?
I can use logical reasoning. I will use small steps to solve the problem.
Does my answer make sense? Check
Step 4
Grade 2 • Chapter 11 Customary and Metric Lengths 97
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Lesson 6 Reteach (2)
Problem Solving STRATEGY: Use Logical Reasoning
Use logical reasoning to solve. Show your work here.
1. Rita, Anne, and Mei are in a jumping contest. They jump 2 feet, 4 feet, and 1 yard.Rita’s jump is measured in yards. Mei jumped farther than Anne. How far did Mei jump?
feet
2. Pablo, Vince, and Jackson have pictures on the art wall at school. Each picture has a different length: 6 inches, 1 foot, and 1 yard.Vince’s picture is the shortest.Pablo’s picture is 6 inches longer than Vince’s picture.Jackson’s picture must be
long.
3. Coach Jan records how far three students swim: 3 yards, 7 feet, 1 yard. Cam swims 3 times as far as 1 yard. Trey’s swim is measured in feet. How far does Val swim?
98 Grade 2 • Chapter 11 Customary and Metric Lengths
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Lesson 7 Reteach
Centimeter and Meters
You can measure centimeters with a meter stick.
100 20 30 40 50 60 70 80 90 100cm
A meter is 100 centimeters.
A button is about A door is about1 centimeter wide. 1 meter wide.
Circle about how tall or long the object is.
1. 10 meters tall 10 centimeters tall
2. 5 meters long 5 centimeters long
3. 4 meters tall 4 centimeters tall
Grade 2 • Chapter 11 Customary and Metric Lengths 99
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Lesson 8 Reteach
Select and Use Metric Tools
You can measure objects using different tools.
A meter stick is longer than a ruler.
So, use a ruler to measure shorter lengths.
Use a meter stick to measure longer lengths.
Write ruler or meter stick to tell which tool you
would use to measure.
1. length of your desk
I would use a to measure.
2. height from floor to ceiling
I would use a to measure.
3. length of hallway
I would use a to measure.
4. length of your hand
I would use a to measure.
5. length of your favorite book
I would use a to measure.
100 Grade 2 • Chapter 11 Customary and Metric Lengths
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Lesson 9 Reteach
Compare Metric Lengths
You can compare lengths of objects.
8 centimeters long 2 centimeters long 1 centimeter long
The is longer than the and .
The is shorter than the and .
Tell whether each object is longer or shorter than
the other.
1. The is 13 centimeters long.
The is 20 centimeters long.
The is than the .
2. The is 20 centimeters long.
The is 10 centimeters long.
The are than the .
Grade 2 • Chapter 11 Customary and Metric Lengths 101
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Lesson 10 Reteach
Relate Centimeters and Meters
You can use different length units to measure the
same object.
The bookcase is 2 meters long.
It is 200 centimeters long.
Measure the length of the object twice.
1.
centimeters
meters
3.
centimeters
meters
2.
centimeters
meters
4.
centimeters
meters102 Grade 2 • Chapter 11 Customary and Metric Lengths
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Lesson 11 Reteach
Measure on a Number Line
Look at the number line below. Each number is
1 inch apart. It starts at 0 inches and goes to
5 inches.
0 1 2 3 4 5
Use the information above to answer the questions.
1. How long is the paper clip? inches
2. How long is the marker? inches
3. How long is the crayon? inches
4. How much longer is the crayon than the paper clip? inches
5. How much longer is the marker than the paper clip? inches
6. How much shorter is the crayon than the marker? inches
Grade 2 • Chapter 11 Customary and Metric Lengths 103
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Lesson 12 Reteach
Measurement Data
This line plot shows the lengths of classroom objects in Mr. Grissom’s class. Each number on the line plot represents centimeters.
Count the number of Xs above each number of centimeters to find the lengths.
0 1 2 3 4 5 6 7 8 9 10
XXXXX
XXXXX
XXXXX
XXX
XX
XX
X
Use the information from the line plot above to
solve.
1. How many objects are 3 centimeters long? objects
2. How many objects are 5 centimeters long? objects
3. How many objects are 5 or 10 centimeters long? objects
4. How many objects are 4 or 8 centimeters long? objects
104 Grade 2 • Chapter 11 Customary and Metric Lengths
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