1. lesson 2.notebook August 24, 2012
Assignment:
1-->Set 3 (odds) - Due Tuesday (8/28)
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2. lesson 2.notebook August 24, 2012
Lesson 2 WarmUp:
1) If the addends are 25 and 12, what is the sum?
2) What is the difference of 25 and 12?
Simplify.
3) $10 - $0.26
4) 312 - 86
5) Use the numbers 6, 8, and 48 to form 2 multiplication facts and 2 division
facts.
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3. lesson 2.notebook August 24, 2012
Lesson 2:
factors
6
x9
54
product
*different signs for multiplication...
x lw 3(4) (5)(8)
*Commutative Property of Multiplication - 5 x 3 = 3 x 5
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4. lesson 2.notebook August 24, 2012
*Identity Property of Multiplication - 9 x 1 = 9
*Zero Property of Multiplication - 0 x 14 = 0
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5. lesson 2.notebook August 24, 2012
*ways to show division...
fraction bar
quotient
divisor
98
6 588
dividend
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6. lesson 2.notebook August 24, 2012
Examples (Lesson 2)
Simplify:
A) 20 x 37
B) 37 0
C) 407(37)
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7. lesson 2.notebook August 24, 2012
D) 5 $8.40
E) 200 12
F) 234
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8. lesson 2.notebook August 24, 2012
G) Which numbers are the "divisors" in examples d, e, f?
5 12 3
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