2. lesson 41.notebook January 22, 2013
Lesson 41 Warm-Up:
1) Which property is illustrated:
12 + 37 = 37 + 12
2) Use digits to write sixty-seven hundred-thousandths
3) About 70% of the earth's surface is water, about what fraction
of the earth's surface is land?
4) Solve: x 10
2.4 16
5) Simplify: 7.4 8
3. lesson 41.notebook January 22, 2013
Lesson 41:
*Distributive Property
a(b + c) = ab + ac
3(2 + 5) = (3)(2) + (3)(5)
3(x + 6) =
4. lesson 41.notebook January 22, 2013
Examples (Lesson 41):
A) Find A in A = bh, when b = 15 in. and h = 8 in.
B) Evaluate ab when a = 6 ft and b = 8 ft
2
C) Show 2 ways to simplify this expression: 6(20 - 5)
5. lesson 41.notebook January 22, 2013
D) Simplify: 2(n + 5)
E) Write 2 formulas for finding the perimeter of a rectangle.
