21 st century lessons
DESCRIPTION
21 st Century Lessons. Review Area Lesson. Mrs.Thompson. Lesson Overview (1 of 3). Lesson Overview (2 of 3). Lesson Overview (3 of 3). Warm Up. 8 yds. 5 yds. 6 yds. 2 yds. OBJECTIVE: SWBAT select the correct dimensions and calculate the area of diagrams and real-world problems. - PowerPoint PPT PresentationTRANSCRIPT
21st Century Lessons
Review Area Lesson
Mrs.Thompson
1
Warm UpOBJECTIVE: SWBAT select the correct dimensions and calculate the area of diagrams and real-world problems.
Agenda
2
2) Find the area of the trapezoid
1) Why is the shape to the right a trapezoid? 5 yds
8 yds
2 yds
6 yds
Formula
It is a quadrilateral with 1 pair of parallel sides.
Mini-Lesson: Identify the base and height
Agenda
4
What is true about the bases and heights of all the shapes we have studied so far?
base
height
base
height
base
height
base
height
Mini-Lesson: Identify the base and height
Agenda
5
Parallelogram
The height is always perpendicular to the base.
base
height
Mini-Lesson: Identify the base and height
Agenda
6
The height is always perpendicular to the base.
Right Trianglebase
height
Mini-Lesson: Identify the base and height
Agenda
7
The height is always perpendicular to the base.
Non-Right Trianglesbase
height
base
height
Mini-Lesson: Identify the base and height
Agenda
8
The height is always perpendicular to the base.
Trapezoids
base 1
height
base 2
base 1
height
base 2
Interleaving Practice
Agenda
9
Then, identify the bases and heights in these next shapes!
Name the formula you would use to calculate the area of each shape.
Practice – Interleaving: My Turn
Agenda
10
1)7 cm
3cm
7 cm
3 cm 2 cm
b = 7 cm
h = 2 cm
Record the base and height needed to find the area.Name the Formula you would use to find the Area
Practice – Interleaving: Your Turn
Agenda
11
2) 6 ft
4 ft
6 ft
4 ft 3 ft
b = 6 ft
h = 3 ft
Record the base and height needed to find the area.Name the Formula you would use to find the Area
Practice – Interleaving: My Turn
Agenda
12
3)
15 m
10 m
15 m
10 m
7 m b = 15 m h = 7 m
Record the base and height needed to find the area.Name the Formula you would use to find the Area
Practice – Interleaving: Your Turn
Agenda
13
4)
9 cm
4 cm
9 cm
4 cm
3 cm b = 9 cm
h = 3 cm
Record the base and height needed to find the area.Name the Formula you would use to find the Area
Practice – Interleaving
Agenda
14
b = 3 in
5 in
3 in
4 in h = 4 in
5)
Record the base and height needed to find the area.Name the Formula you would use to find the Area
Practice – Interleaving
Agenda
15
12 in
13 in 5 in
b = 12 in
h = 5 in
6)
Record the base and height needed to find the area.Name the Formula you would use to find the Area
b = 7 mm
Practice – Interleaving: My Turn
Agenda
16
4 mm
7 mm
6 mm
3 mm h = 3 mm
7)
Record the base and height needed to find the area.Name the Formula you would use to find the Area
Practice – Interleaving: Your Turn
Agenda
17
b = 17 yd
13 yd
17 yd
5 yd 4 yd h = 4 yd
8)
Record the base and height needed to find the area.Name the Formula you would use to find the Area
Practice – Interleaving: My Turn
Agenda
18
base 1 = 6 ft
7 ft
6 ft
7 ft 6 ft h = 6 ft
8 ft base 2 = 8 ft9)
Record the base and height needed to find the area.Name the Formula you would use to find the Area
Practice – Interleaving: Your Turn
Agenda
19
base 1 = 100 ft
62 ft
100 ft
62 ft 48 ft h = 48 ft
74 ft base 2 = 74 ft
10)
Record the base and height needed to find the area.Name the Formula you would use to find the Area
Interleaving Practice
Agenda
20
Now that you have all of the information you need,Calculate the Areas!