Date post: | 25-Dec-2015 |
Category: |
Documents |
Upload: | bethany-fitzgerald |
View: | 215 times |
Download: | 0 times |
Perimeter, Area, Volume(10 mins)
• Perimeter- the distance around the object.
• Area- the inside of a 2-D shape.
• Volume- if you filled a 3-D shape.
• Surface Area- the covering of a 3-D shape.
18 feet
10 feet
Perimeter = side + side + side + side = 10.5 ft + 18 ft + 10.5 ft + 18 ft = 57 feet
Perimeter
18 feet
10 feet
Area = A= *h 2
𝒃𝟏
𝒃𝟐
h
12 cm
8 cm
6 cm
h = 6cm, a = 8 cm, b = 12 cmA = (8 cm + 12 cm) x 6 2
= 20 cm x 6 2 10 x 6
= 60 cm2
The area of a Trapezoid
Length of side
Length of side
height
7 cm
Surface Area- Rectangular PrismSA= 2lw+ 2lh+ 2wh
294
244030
)12(2)20(2)15(2
)4)(3(2)4)(5(2)3)(5(2
222
unitsSA
SA
SA
SA
whlhlwSA
53
4
Length = 5Width = 3Height = 4
Bootcamp Practice (15 mins)
Pages 85-86 you may not write on. Copy the questions into your composition notebook and solve.
Bootcamp PracticeRaise your hand if you need any help
Ask questions NOW, the Cahsee will be too late!
*Teacher will determine grouping (independent, pairs, etc.)
CHECK YOUR WORK Page 86
Problem # Answer
1 V= 75.36 2 A= 50.24 3 SA= 262 4 P= 30cm5 A= 138 square units6 A= 24 7 V= 120 8 P= 24ft
Composite Figures- 8 mins
Two or more shapes formed together.
In order to solve: 1) Separate the shapes2) Find the area of each3) Add/ Subtract them
together.
Composite Figure4 yd
6 yd
10yd
10yd
8 yd
2 yd
#1
#2
#1 A= l xw A= 8 X 4A= 32
#2 A= l xw A= 10 X 2A= 20
32 +20=A= 52
Shaded region only
#1
#2
#1 A= l xw A= 3 x 3.4A= 10.2
#2 A= l xw A= 7.3 x 5.8A= 42.34
42.34 -10.2 =A= 32.14
Bootcamp PracticeRaise your hand if you need any help
Ask questions NOW, the Cahsee will be too late!
*Teacher will determine grouping (independent, pairs, etc.)
Turn in all handouts that you couldn’t write on, the ones that you did write on, you may keep those to study.
Exit Slip: (10 mins)
Get your assigned computer/ close notebook
Log-on/ www.achievedata.com/zoom/test
Use the test key from the CAHSEE BOOTCAMP file cabinet under Mrs. Kelley’s page
Exit Slip Name- CB Math Week Four Exit Slip (6 questions)