WARMUPS

1
WARMUPS

• Perry drives a car 480 miles in 6 hours. Did he
  break the 70 miles per hour speed limit?
• Angela wants to build a square table and paint it
  purple. If the table is three feet high, how
  many square feet of table must she paint? (she
  does not want to paint the bottom).
• Draw a cat

2
HOMEWORK

• PAGE 445 1-17
• IF YOU CAN DO THESE YOU ARE A SUPER MATHEMATICIAN

3
Surface Area of Prisms and Cylinders
COURSE 2 LESSON 8-8
Pages 444447 Exercises
14. Nets may vary. Samples are given. 1.
4.
2.

• 5. 264 m2
• 6. 148 in.2
• 7. 188 m2
• 8. 216 in.2
• 9. 768 cm2
• 10. 108 ft2
• 11. 1,332 m2

3.
8-8
4
Surface Area of Prisms and Cylinders
COURSE 2 LESSON 8-8
8-8
5
Surface Area of Prisms and Cylinders
COURSE 2 LESSON 8-8
8-8
6
Surface Area of Prisms and Cylinders
COURSE 2 LESSON 8-8

• 34. 528 in.2
• 35. 3,024 in.2
• 36. 990 ft2
• 37. 298.3 m2
• 38. 27 triangles
• 39. C
• 40. G
• 41. B
• 42. 2 It quadruples the surface area.
• A1 6 52 150
• A2 6(10)2 600

42. (continued) 1 correct response with no
explanation 43.
46. RS, SU, TU, ST, or RT 47. TS 48. OR, OS,
OT, OU 49. TOU, UOS, SOR, or
ROT
44.
45.
8-8
7
Surface Area of Prisms and Cylinders
COURSE 2 LESSON 8-8
1. Draw a net for a triangular prism.
Find the surface area of each. Round
to the nearest tenth. 2. rectangular prism 12
cm by 8 cm by 9 cm 3. cylinder radius 6
cm, height 10 cm
552 cm2
603.2 cm2
8-8
8
4 STEP PROBLEM SOLVING

• READ WRITE THE PROBLEM
• ANALYZE THE PROBLEM
• SOLVE THE PROBLEM
• CHECK YOUR ANSWER

9
Volumes of Rectangular Prisms and Cylinders
COURSE 2 LESSON 8-9
(For help, go to Lesson 8-4.)
Find the area of each circle. Round to the
nearest square unit. 1. 2. 3.
8-9
10
Volumes of Rectangular Prisms and Cylinders
COURSE 2 LESSON 8-9
Solutions 1. A r 2 2. A r 2 3. A
r 2 (6)2 (7.5)2
(3)2 36 56.25 9 113
m2 177 in.2 28 cm2
8-9
11
Volumes of Rectangular Prisms and Cylinders
COURSE 2 LESSON 8-9
Write the word expression for 85,250,003,620.
eighty-five billion, two hundred fifty million,
three thousand, six hundred twenty
8-9
12
Volumes of Rectangular Prisms and Cylinders
COURSE 2 LESSON 8-9
Find the volume of the rectangular prism.
The volume of the rectangular prism is 960 cm3.
8-9
13
Volumes of Rectangular Prisms and Cylinders
COURSE 2 LESSON 8-9
Find the volume of the cylinder. Round to the
nearest cubic centimeter.
The volume of the cylinder is about 113 cm3.
8-9
14
Volumes of Rectangular Prisms and Cylinders
COURSE 2 LESSON 8-9
A glass is 7.4 cm tall. The base of the glass
has a diameter of 2.2 cm. Estimate the volume
that the glass can hold if it is filled to the
top. Then find the volume to the nearest cubic
unit that the glass can hold if it is filled to
the top.
The estimated volume is 29.6 cm3.
8-9
15
HOMEWORK

• PAGE 451 1-12
• IF YOU CAN DO THESE YOU ARE A SUPER MATHEMATICIAN

16
Volumes of Rectangular Prisms and Cylinders
COURSE 2 LESSON 8-9
8-9
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Volumes of Rectangular Prisms and Cylinders
COURSE 2 LESSON 8-9
8-9
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Volumes of Rectangular Prisms and Cylinders
COURSE 2 LESSON 8-9
8-9
19
Volumes of Rectangular Prisms and Cylinders
COURSE 2 LESSON 8-9
Find the volume of each figure to the nearest
cubic unit. 1. 2.
2,304 ft3
8,743 cm3
8-9
20
HOMEWORK

• PAGE 548 EXERCISE DO 1 TO 12.