1) Students have an assignment due on Monday to complete Set 39 of odd problems and a test on Tuesday over Test #6. 2) The daily lesson will cover proportions, which are statements that two ratios are equal. Students will learn to use "McDonald's Arches" to find missing parts of a proportion. 3) The lesson provides examples of solving proportions, including finding unknown values of a, b, c, d, n, and m.

1. Assignment:
1­­>Set 39 (odds) ­ Due Monday (12/5)
2­­>Test #6 ­ Tuesday (12/6)
Agenda:
• Collect Set 38 (evens)
• Daily Lesson
• Work Time
1

2. Lesson 39:
*A proportion is a statement that 2 ratios are equal.
*We can use "McDonald's Arches" to find
missing parts of a proportion!!
4 6
=
8 12
2

3. Examples (Lesson 39):
Solve each proportion.
A) a 6
12 8
B) 30 20
b 16
3

4. C) 14 c
21 15
D) 30 2.4
25 d
4

5. E) 30 n
100 40
F) m 9
100 12
5