1. The document outlines assignments and lessons from a math notebook. It includes instructions to complete set 64 for homework due the next day and to prepare for test #10 on Friday. 2. Lesson 64 covers adding signed numbers by following rules such as using the same sign if signs are the same and subtracting if signs are different. 3. Several examples are provided for students to practice adding signed numbers without a calculator.

1. lesson 64.notebook April 23, 2013
Assignment:
1-->Set 64 (evens) - Due Tomorrow (4/24)
2-->Test #10 - Friday (4/26)

2. lesson 64.notebook April 23, 2013
Lesson 64 Warm-Up:
1) Evaluate: x2
+ 2xy + y2
, if x = 3 and y = 4
2) Use a unit multiplier to convert 1.5 kilometers
to meters.
3) Divide 4.36 by 0.012 and write the answer with a
bar over the repetend.
4) Solve: 2 = 0.4x
5) A deck of 26 cards has one letter of the alphabet on each card.
What is the probability of drawing one of the letters in the word
"MATH" from the deck?

3. lesson 64.notebook April 23, 2013
Lesson 64:
*FYI...to add signed numbers...
--signs same: ADD & use the same sign
--signs different: SUBTRACT & use the sign of the larger
**the sum of 2 opposites is zero

4. lesson 64.notebook April 23, 2013
Lesson 64 Examples: [No calculator]
Find each sum.
A) (-56) + (96)
B) (-28) + (-145)
C) (-5) + (7) + (9) + (-3)

5. lesson 64.notebook April 23, 2013
D) (-3) + (-8) + (15)
E) (-12) + (-9) + (16)
F) (12) + (-18) + (6)

6. lesson 64.notebook April 23, 2013
G) (-3 5/6) + (5 1/3)
H) (-1.6) + (-11.47)