Lesson Plans Math 2A

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Solving Proportions

Enter the values from your proportion problem. Place an x in the box where the unknown goes..
A  
C  
  = 
B  
D  

LeMieux, 2001

1-16-2007 Math 2a
1. HOMEWORK Due today: None
2. Finish 4.4 Map Scales
3. Pp49ff 6, 7, 8, 12, 13

OBJECTIVE: 1.3.1 Understand the concept of similarity. 1.1.4 Understand the concept of direct proportion. ACTIVITIES/ASSESSMENT: Chapter 4 wrap up with applications from examples. NOTES: HOMEWORK: 10 miles to Coupeville-How many inches? (show work)

1-17-2007 Math 2a
1. HOMEWORK Due today: 10 miles to Coupeville-How many inches? (show work-get credit)
2. Pp96-98&176 (handout-Assessment)

OBJECTIVE: 1.3.1 Understand the concept of similarity. 1.1.4 Understand the concept of direct proportion 1.2.3 Understand how the unit of measure affects the precision of measurement ACTIVITIES/ASSESSMENT: Students will complete the assessment for chapter 1-4 NOTES: Collect the assessemnt if not finished. HOMEWORK: P56 #23

1-18-2007 Math 2a
1. HOMEWORK Due today:P56 #23
2. Pp96-98&176 (handout-Assessment) finish
3. P 59 Introduction to similar triangles

OBJECTIVE: 1.3.1 Understand the concept of similarity. 1.1.4 Understand the concept of direct proportion 1.2.3 Understand how the unit of measure affects the precision of measurement ACTIVITIES/ASSESSMENT: Pp96-98&176 (handout-Assessment) finish. Time permitting, introduce the parts of P59 Problem 5.1 on Similar Triangles. NOTES: There is no item spec or GLE reference to indirect measures. HOMEWORK: Draw 2 similar triangles, Measure and Label.

1-19-2007 Math 2a
1. HOMEWORK Due today:Draw 2 similar triangles, Measure and Label
2. Warm-Ups:Proportion drill
3. P59 ff Similar Triangles

OBJECTIVE: 1.3.1 Understand the concept of similarity. 1.1.4 Understand the concept of direct proportion 1.2.3 Understand how the unit of measure affects the precision of measurement ACTIVITIES/ASSESSMENT: P59 and following deal with different ways to expereince indirect measurement. These and other methods will be revirewed and various problems presented for solution. A necessary part of proportion, i.e., the fact that units need not be identical, e.g cm to ft NOTES: HOMEWORK: P64 1 and 2 (propoer notation)

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