Lesson Plans Math 2A
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AVERAGE VOLUME: Find your weight in pounds. Divide by 62.42 pounds per cubic foot. -or- Find your weight in Kilograms. Change to grams. Divide by .9225 grams per cubic centimeter (ml).
"The surface area may be calculated by multiplying 0.007184 times the weight in kilograms raised to the 0.425 power and the height in centimeters raised to the 0.725 power." [Assume a height of 5'8" (170 cm) and a mass of 150 lb (68 kg).]
2/20/2007 Math 2a 
1. HOMEWORK Due today: Finish P30 Problem 3.3
2. Warm-Ups: iprt - Installment Buying
3. Ratios: rates, unit rates P37ff
OBJECTIVE: 1.1.4 Understand the concept of direct proportion. ACTIVITIES/ASSESSMENT: Ratios: rates, unit rates P37ff, Do page 39 Problem 4.1 after Introduction on rates and unit rates and their relationship to ratios. NOTES: HOMEWORK: Page 46 4 and 5
2/21/2007 Math 2a
1. HOMEWORK Due today: Page 46 4 and 5
2. Warm-Ups: iprt - Installment Buying
3. Page 155 Investigation 3 handout
OBJECTIVE: 1.1.4 Understand the concept of direct proportion. 5.1.2 Apply different mathematical models and representations to the same situation. 5.1.1 Apply concepts and procedures from a variety of mathematical areas in a given problem or situation. ACTIVITIES/ASSESSMENT: Page 155 Investigation 3 handout. (Procedure and units review) NOTES: Can start on Page 40 Prob 4.2 Using unit rates. HOMEWORK: P44ff 1 and 6
2/22/2007 Math 2a
1. HOMEWORK Due today: P44ff 1 and 6
2. Warm-Ups: iprt - Installment Buying
3. Page 40 Prob 4.2 + Follow-Up - Using unit rates
OBJECTIVE: 1.1.4 Understand the concept of direct proportion. 5.1.2 Apply different mathematical models and representations to the same situation. 5.1.1 Apply concepts and procedures from a variety of mathematical areas in a given problem or situation. ACTIVITIES/ASSESSMENT: Page 40 Prob 4.2 Using unit rates. Be sure to include at this time that a rate is a comparison of two measures and expand on units beyond gallons and miles. NOTES: HOMEWORK: Page 47 10 and 11
2/23/2007 Math 2a
1. HOMEWORK Due today: Page 47 10 and 11
2. Warm-Ups: iprt - Installment Buying
3. Page 44 ff 3, 6, 8, 9, 12-20
OBJECTIVE: 1.1.4 Understand the concept of direct proportion. 5.1.2 Apply different mathematical models and representations to the same situation. 5.1.1 Apply concepts and procedures from a variety of mathematical areas in a given problem or situation. ACTIVITIES/ASSESSMENT: Page 44 ff 3, 6, 8, 9, 12-20: Multiple problem solving exercises with different types of rates. NOTES: HOMEWORK: Page 48 and 49 #21