The document contains notes from a math lesson. It lists upcoming assignments, including a test on set 17 odd problems due on Friday and test #2 on Tuesday. It then provides warm-up problems and instruction on rounding numbers. Examples rounding various numbers are provided for problems A through M. The final problems N and O involve estimating differences and sums of thousands of people.

1. lesson 16.notebook September 25, 2012
Assignment:
1-->Set 17 (odds) - Due Friday (9/28)
2-->Test #2 - Tuesday (10/2)
3-->Test signed??
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2. lesson 16.notebook September 25, 2012
Lesson 16 WarmUp:
1) What number is 8 less than 6?
2) One third of the 12 eggs in the carton were cracked.
How many eggs were NOT cracked?
3) What number is the opposite of 10?
4) Use digits to write five million, two hundred seventy-five thousand, eleven.
5) Use words to write: 12,345,678
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3. lesson 16.notebook September 25, 2012
Lesson 16:
*rounding - a way of estimating a number by increasing or decreasing it to
a
certain place value
fyi...
less than 5 -
5 or greater -
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4. lesson 16.notebook September 25, 2012
Lesson 16 Examples:
pg. 84
A)
B)
C)
D)
E)
F)
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5. lesson 16.notebook September 25, 2012
G)
H)
I)
J) 397 -->
+ 206-->
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6. lesson 16.notebook September 25, 2012
K) 703-->
- 598-->
L) 29-->
x 31-->
M) 29 591
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7. lesson 16.notebook September 25, 2012
N) 5000 - 4000
about 1000 fewer people
O) about 9000 people
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