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Lesson Plans - Math 2A
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Numbered assignments are listed on the day they are DUE!

[Area Review 1]Link Graphic    [Area Review 2]Link Graphic

Area Formulas

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
5-24-2004 Bring your calculator! Bring your scissors! Bring your ruler! Bring yourcompass!
1. -HOMEWORK:P52 4&5.......
2. -Page 50 Problem 5.3+...
3. -Problem 5.1&5.2..... 4. -OPTIONAL Challenge...

OBJECTIVE: •To develop strategies for finding the volumes of cones and spheres •To find the relationships among the volumes of cylinders, cones and spheres[1.2.4; 1.2.6] •To reason about problems involving cylinders, cones and spheres. ACTIVITIES/ASSESSMENT: Page 50 Problem 5.3, 'Melting ice cream' plus the follow-Up. NOTES: Be sure to list formulas and steps. The optional challenge problem posted last week is due today. No lates unless absent this date. Due on return. HOMEWORK: P53 #6 plus the dimensions for a rectangular prism container of the same volume.

5-25-2004 Bring your calculator! Bring your scissors! Bring your ruler! Bring yourcompass!
1. -HOMEWORK:P53#6+prism... 2. -Page 67 1&2 Start...

OBJECTIVE: See 5-24 above and •To apply strategies 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: P67 1&2 Prepare a final copy with illustrations for 5-28 NOTES: Homework is about comparing 1 large and 2 small cylinders. HOMEWORK: P63 #11

[Read about Archimedes.]Link Graphic

5-26-2004 Bring your calculator! Bring your scissors! Bring your ruler!
1. -Page 63 #11.........
2. -Page 69 Problem 7.1 +..

OBJECTIVE: •To estimate the volume of an irregular shaped object by measuring the amount of water it displaces •To understand the relationship between a cubic centimeter and a millimeter ACTIVITIES/ASSESSMENT: P69 Problem 7.1 NOTES: HOMEWORK: Continue P 67 !&2

[Interactive Graphic Volume of Pyramids (not in your book)]Link Graphic   [Interactive Graphic Surface of Pyramids]Link Graphic

5-27-2004 Bring your calculator! Bring your scissors! Bring your ruler! Bring your graph paper! Bring yourcompass!
1. -Pages 85-86 Test....

OBJECTIVE: See above. ACTIVITIES/ASSESSMENT: Unit Test. NOTES: HOMEWORK: Explain how you might try to find the dimensions of a cube with the same volume of a sphere with a given radius: outline and or brainstorm

5-28-2004 Bring your calculator! Bring your scissors! Bring your ruler! Bring your graph paper! Bring yourcompass!
1. -Page 67 1&2 FINAL...
2. =Sphere/Cube+....

OBJECTIVE: See above. ACTIVITIES/ASSESSMENT: Discuss the process for finding the dimensions of a cube whose volume is equal to that of a sphere. Do illustrations using straightedge and compass to clarify NOTES: HOMEWORK: None



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