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Lesson Plans - Math 2A
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Find the volume of a Cone, Sphere or Cylinder:
picture Enter the radius : 

Enter the height :  		The height dimension is not used on a SPHERE.
The formulas used are:
Cone -   V= 1 / 3 πr 2 h
Sphere -   V= 4 / 3 πr 3
Cylinder -  V=πr 2 h


Jeff LeMieux 1/2004

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5-2-2005 Bring your calculator!
HOMEWORK: Page 55 #12
Page 50 Problem 5.3 A&B
Compound Shapes Volume and Surface Area

OBJECTIVE: •To develop strategies for finding the volumes of cones and spheres •To find the relationships among the volumes of cylinders, cones and spheres •To reason about problems involving cylinders, cones and spheres. ACTIVITIES/ASSESSMENT:Page 50 Problem 5.3 A&B; Areas of compound shapes. NOTES: HOMEWORK: Page 51 #2

5-3-2005 Bring your calculator!
HOMEWORK: Page 51 #2
Page 58 Problem 6.1 A-E+F

OBJECTIVE: •To apply strategiers for finding the volumes of rectangular prisms to designing boxes with given specifications •To investigate the effects of varying the dimensions of rectangular prisms on volume and surface area and vice versa ACTIVITIES/ASSESSMENT: Page 58 Problem 6.1 A-E+F; F = 'How many sheets of 4x8 plywood will she need?' NOTES: F is an add-on. HOMEWORK: Page 62 #6

5-4-2005 Bring your calculator!
HOMEWORK: Page 62 #6
Page 60 Problem 6.3 A-C + Follow-Up

OBJECTIVE: See 5-3 Above. ACTIVITIES/ASSESSMENT: Page 60 Problem 6.3 A-C + Follow-Up NOTES: HOMEWORK: Page 67 #2

5-5-2005 Bring your calculator!
Progress Reports 4-1
HOMEWORK: Page 67 #2
Read 68-62

OBJECTIVE: •To estimate the volume of an irregular chaped object by measuring the amount of water it displaces •To understand the relationship between a cubic centimeter and a millileter ACTIVITIES/ASSESSMENT: Use a graduate cylinder and some centimeter cubes. Record results. NOTES: 1 cup = 240 ml(approx) HOMEWORK: Using the conversion factor, measure an irregular object around your house.

5-6-2005 Bring your calculator!
HOMEWORK: Measure an irregular object around your house.
Page 70 3/4/5/6

OBJECTIVE: See 5-5 above. ACTIVITIES/ASSESSMENT: Page 70 3/4/5/6; Read and understand the requirements of Page 73 to discuss on Monday for 3, 4, 6,and 8 balls. NOTES: HOMEWORK: Page 75 #2



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