Math Grade 4 Unit 7 Measurement

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Parent Guide
Math Grade 4 Unit 7
Measurement
What your student should know & do at home
“I Can” Help My Student
Important Understandings and Concepts
I can describe the relative sizes of measurement units (e.g.,
What should my student already know before I begin…
km, m, cm; kg, g; lb, oz; L, mL; hr, min, sec). (MD.1)
• Able to tell and write time to the nearest minute,
I can represent a larger unit as a multiple of smaller units
and solve addition and subtraction problems
within the same system of measurement (e.g., 1 feet = 12
involving time intervals.
inches, 2 feet = 24 inches, 3 feet = 36 inches). (MD.1)
• Able to measure and estimate liquid volumes and masses of objects, and solve
I can use the four operations to solve word problems
one-step word problems with this information.
including distance, time, volume, mass, and money. (MD.2)
• Use a ruler to measure to the nearest half-inch and fourth-inch.
I can represent measurements using diagrams. (MD.2)
• Recognize the area of a shape and understand that a square with a
I can explain the formulas for area and perimeter, and use
them to solve problems. (MD.3)
side length of “1 unit” is called the “unit square.”
I can create a line plot with given data set of measurement
Learning at a Glance
using fractions as a unit, and use it to solve problems. (MD.4)
Students will represent measurement quantities using diagrams such as number line
Key Words to Know
diagrams that feature a measurement scale as
Measure: unit specified by a scale, such as an inch, or a
shown in this example.
system of measurement, such as the metric system.
Example: How many animals represented in
Metric: the base-ten measuring system based on the meter,
the line plot have a maximum speed of 45
liter, and gram as units of length, capacity, and mass.
miles per hour? (Answer: 2 Animals)
Customary: the system of
Students will become familiar with new units
measurement commonly used in the
United States. Common units are:
of measure and explore the patterns and
(length) inches, feet, yards, and miles;
relationships in the conversion tables that
(weight) ounces, pounds, and tons;
they create. Students may use a two-column
(capacity) ounces, cups, pints, quarts, and gallons.
chart to convert from larger to smaller units
Convert (conversion): to express (a quantity) in alternative
and record equivalent measurements. They
units – i.e., 12 feet = 4 yards.
make statements such as, if one foot is 12
Distance: the property created by the space between two
inches, then 3 feet has to be 36 inches because there are 3 groups of 12.
objects or points.
Line plot: a line plot shows the spread of data; each piece of
data is represented by an “X.”
Students will have to find the area of certain spaces by
Perimeter: distance around a figure; measured in units.
counting the number of square units they see, as shown in
the image to the left. Example: Mr. Rutherford
Area: number of square units needed to cover the inside of a
is replacing some carpet in his classroom, noted
plane; measured in square units.
by the green spaces. How many square feet of
Array: an arrangement of objects in equal rows.
carpet is he replacing? (Answer: 24 sq. ft.)
Elapsed time: the amount of time that passes between two
points in time.

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