2. lessonĀ 64.notebook AprilĀ 08,Ā 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. lessonĀ 64.notebook AprilĀ 08,Ā 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. lessonĀ 64.notebook AprilĀ 08,Ā 2013
Lesson 64 Examples:
Find each sum.
A) (-56) + (96)
B) (-28) + (-145)
C) (-5) + (7) + (9) + (-3)