This document contains a math lesson on rounding numbers and estimating answers to calculations. It includes an assignment to complete an odd-numbered problem set, instructions to use prime factorization to find the GCF and LCM of numbers and simplify fractions, examples of rounding numbers to the nearest hundred and thousand, and estimates of calculations by rounding values.

1. lesson 29.notebook October 08, 2013
Assignment:
1­­>Set 29 (odds) ­ Due Tomorrow [10/9]

2. lesson 29.notebook October 08, 2013
Lesson 29 Warm­Up:
1) Use prime factorization to find the GCF of 27 and 36.
2) Use prime factorization to find the LCM of 27 and 36.
3) Use prime factorization to reduce 27/36.
4) Simplify: 4 ­ 1
5) Simplify: 8 2

3. lesson 29.notebook October 08, 2013
Lesson 29:
FYI...Rounding numbers, gives us an "estimate" rather than an
exact answer.

4. lesson 29.notebook October 08, 2013
Examples (Lesson 29):
Round the following.
A) 1760 to the nearest hundred
B) 5489 to the nearest thousand
C) 186,282 to the nearest thousand

5. lesson 29.notebook October 08, 2013
Estimate each answer.
D) 7986
­ 3074
E) 297
x 31
F) 5860 19

6. lesson 29.notebook October 08, 2013
G) 12 3