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Unit 4
My Community
134
Key Vocabulary
centimeter
long
decimeter
meter
distance
metric system
height
millimeter
high
wide
kilometer
width
length
Functions and Forms
Q
Defining math-related concepts
A meter equals ten decimeters.
The prefix
centi-
means “one hundred.”
Q
Explaining math-related concepts
The metric system uses metric units
based on multiples of ten.
English Language Development Skills
Listening
+
Respond to questions with appropriate
elaboration.
+
Identify the musical elements of literary language
(e.g., rhymes, repeated sounds, instances of
onomatopoeia).
Speaking
+
Use clear and specific vocabulary to communicate
ideas and establish the tone.
Reading
+
Demonstrate comprehension by identifying
answers in the text.
+
Demonstrate knowledge of levels of specificity
among grade-appropriate words and explain
the importance of these relations (e.g.,
dog/
mammal/animal/living things
).
Writing
+
Identify and use subjects and verbs correctly
in simple sentences.
Materials
Blackline Masters 2a and 2b
index cards
Frontload Vocabular y
VOCABULARY DEVELOPMENT
Write the Key Vocabulary on the board and ask students to copy the words
down the left side of a sheet of paper. Have them circle the words related
to the metric system. Ask students to rewrite these words down the center
of the sheet of paper. Then, ask them if they see a relationship with the
remaining words in the list. Have them rewrite the remaining words in
pairs, such as
height
and
high
.
Metric Units of Measurement
READING COMPREHENSION
Student Book pages 134–135: Read the text in the Spotlight box aloud,
pointing out the key words as you come across them. Read the directions
with the class, modeling the first item in each activity. Check that students
understand each task. Have students copy and complete the activities on a
separate sheet of paper.
Lesson 10
Vocabular y Review
VOCABULARY DEVELOPMENT
Divide the class into small groups. Have each group make two sets of index
cards with one key vocabulary word on each card. Next, have students in
B
V
i
]
Point out that the
metric unit words
consist of different
prefixes and the
same root word. Ask
What does the prefix
centi-
mean? What do
milli-
and
deci-
mean?
Remind students to use
the prefixes as clues
when answering the
questions.
Point out that the
metric unit words
consist of different
prefixes and the
same root word.
Have students work
independently to
determine the meaning
of the prefixes. Then,
have them answer the
questions.
Point out that the
metric unit words
consist of different
prefixes and the same
root word. Have
students work in pairs
to determine the
meaning of each prefix.
Then, have pairs use
the meanings as clues
to work together to
answer the questions.
Beginning
Intermediate
Advanced
Targeting Proficiency Levels
Meeting Individual Needs
You may wish to give periodic assistance to students who experience minor
difficulties comprehending the metric system by providing them with a handout
or board list of metric prefixes ordered largest to smallest to use as a reference.