Unit 7: 2D Geometry Essential Questions How can you use scale

Unit 7: 2D Geometry
NAME: _________________________
Essential Questions How can you use scale drawings to solve problems? How can you
draw triangles that satisfy given conditions? How can you identify cross sections of 3-D
figures? How can you use angle pairs to solve problems?
Learning Targets
15 I can solve problems involving scale drawings of geometric figures.
16 I can draw triangles with given conditions.
17 I can identify cross sections of a three dimensional figure.
18 I can determine the missing angle measure within an angle pair.
Essential Skills
Understand the relationship between a drawing and the actual figure.
Note the angles and polygons used to create a multi-sided figure.
Determine when conditions make a unique triangle, more than one triangle, or no
triangle.
Key Vocabulary Write your own definition by creating a sketch, definition, or example.
Scale
Scale Factor
Similar Figures
Review:
Classification Triangles by Angle Measures
Classification of Triangles by Side Lengths
2D Polygons
3D Figures
ratio
proportion
Prism Video for Identification
Cross-Section of a 3D Figure
Angle Pairs
Adjacent
Supplementary
Vertical
Complementary
Unit 7: 2D Geometry
NAME: _________________________
Upon completion of the assessment, record the color earned for each learning target and the Assessment Grade________%
______15 I can solve problems involving scale drawings of geometric figures.
______16 I can draw triangles with given conditions.
______17 I can identify cross sections of a three dimensional figure.
______18 I can determine the missing angle measure within an angle pair.
Post Assessment: Reevaluate each skill in the Self-Assessment. Make a plan to work toward mastery.
Date
Self – Scoring for Progress
1 = Not Yet
2 = With Help
3 = I Know This 4 = I Could Teach This
Prior Knowledge
A) I can use proportions to find a missing value.
B) I can write and solve equations.
C) I can determine the volume of prisms using cubes or
applying a formula (V = lwh OR V = Bh with B as the area of
the base.)
D) I can decompose 3d figures to their nets.
E) I can find the area of triangles and quadrilaterals.
F) I can identify types of angles.
G) I can identify 2D shapes, polygons.
LT #15 Scale
H) I can set up a proportion to compare a
model to an actual figure.
I) I can apply the scale to determine the
missing side of an actual figure.
J) I can use a proportion to determine the
scale used to create a model.
K) I can compute lengths and areas of the
scale model and the actual figure.
LT #16 Properties of Triangles
L) I can categorize triangles by lengths of
sides.
M) I can construct triangles given angle
measures or side lengths.
N) I can categorize triangles by measure of
angles.
LT #17 Cross Sections of 3D Figures
O) I can identify 2D figures, polygons,
created by slicing a 3D shape.
LT #18 Angle Pairs
P) I can identify when angles are: adjacent,
complementary, supplementary, or
vertical. (special angle pair)
Q) I can write an equation to determine the
measure of an angle of a special angle pair.
Test Date
Plan to improve or retain these skills after the post assessment. What skills still need your attention? What is your plan to
strengthen your skills?
Unit 7: 2D Geometry
NAME: _________________________
Upon completion of the assessment, record the color earned for each learning target and the Assessment Grade________%
______15 I can solve problems involving scale drawings of geometric figures.
______16 I can draw triangles with given conditions.
______17 I can identify cross sections of a three dimensional figure.
______18 I can determine the missing angle measure within an angle pair.
Post Assessment: Reevaluate each skill in the Self-Assessment. Make a plan to work toward mastery.
Date
Self – Scoring for Progress
1 = Not Yet
2 = With Help
3 = I Know This 4 = I Could Teach This
Prior knowledge
A) I can describe ratios as a relationship between
two quantities.
B) I can write ratios in 3 formats: a:b, a to b, a/b.
C) I can solve unit rate problems.
D) I can solve ratio problems.
LT #6 Unit Rates
E) I can multiply signed numbers.
F) I can multiply positive and negative
fractions.
G) I can multiply positive and negative
decimals.
H) I can apply multiplication of signed
numbers to the Distributive Property.
LT #7 Proportions with Tables, Graphs, &
Equations
I) I can divide signed numbers.
J) I can divide positive & negative
fractions.
K) I can divide positive and negative
decimals.
L) I can write division problems in
fraction format.
M)
I can apply Distributive Property
when at least one factor is a fraction.
LT #5 Solve Problems with all Four Operations
N) I can solve real world problems with all
four operations of integers.
O) I can solve real world problems with
Rational Numbers.
Test Date
Plan to improve or retain these skills after the post assessment. What skills still need your attention? What is your plan to
strengthen your skills?