This document provides a teacher version of a grade 8 math lesson on converting units of measurement between customary and metric systems for temperature, length, weight/mass, capacity, and time. The learning goal is for students to be able to convert units of measurement between the two systems. The document also includes scoring criteria that assess students' ability to perform direct and indirect conversions with and without conversion tables and help.
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Grade 8 9 2 a convert length, weight mass, capacity time marzano rubric course 3 florida math connects
1. Grade 8: Math Course 3 TEACHER VERSION
Ch 9-2 A Convert Length, Weight/Mass, Capacity, and Time
Prerequisite Content:
Use proportions to solve problems
Convert units of measurement within the same system
Learning Goal:
By the end of this lesson, students will be able convert units of measure
between customary and metric systems for temperature, length, weight or
mass, capacity, time.
More Complex Content:
Use derived units to solve real-world problems.
Use measurements to find area and volume.
Score 4.0 In addition to Score 3.0 performance, in-depth inferences and
applications that go beyond what was taught, such as
the student can,without help, solve a real-life problem using derived
units (such as square feet, cubic meter, miles per hour).
Score 3.5 The student can, without help, convert measurements for
temperature, length, weight or mass, capacity, and time,
correctly from one system of measurement to another
(customary to metric and metric to customary) when
provided with an indirect measurement conversion table.
Score 3.0 While engaged in solving measurement conversion tasks, the
student demonstrates an ability to
without help, convert measurements for temperature, length, weight
or mass, capacity, and time, correctly from one system of
measurement to another (customary to metric and metric to
customary) when provided with a directmeasurement conversion
table.
The student exhibits no major errors or omissions.
Score 2.5 The student can, with help, convert measurements for
temperature, length, weight or mass, capacity, and time,
correctly from one system of measurement to another
(customary to metric and metric to customary) when
provided with an indirect measurement conversion table.
Score 2.0 No major errors or omissions regarding the simpler details and
processes, such as
the student, without help, can convert measurements in one
2. systemof measurement using unit ratios and/or dimensional analysis
given a direct measurement conversion table.
However, the student exhibits major errors or omissions with Score
3.0 elements.
Score 1.5 The student, with help, can convert measurements within
the same system using dimensional analysis(seconds per
hours per day)given a direct measurement conversion
table.
Score 1.0 With help, a partial understanding of some of the Score 2.0
elements and some of the Score 3.0 elements.
The student, with help, can convert measurements within the same
system of measurement (gallons to pints) given a direct
measurement conversion table.
Score 0.5 The student cannot convert measurements .
Score 0.0 Even with help, no understanding or skill demonstrated.