Operations with Rational numbers
(-1/8) + (3/8) - (1/2)
(-5/6) X (2 1/3)
-35/18 or (-1 17/18) or -1.94
2 1/3 - (-1 1/4)
43/12 or 3 7/12 or 3.583
What does reciprocal mean?
is a number that, when multiplied by the original number, equals 1
Where can you find missing work from last week?
The "what did I miss last week" display and the extra worksheet bin.
(-5/6) / (2/3) - 1/4
-3/2 or (-1 1/2) or -1.5
(3/8) / (-1/4) - (1/2)
-2/1 or -2
(-2/5) X (1/3) + 1/2
11/30 or 0.36
What is Rational Number?
is a number that can be written as a/b where b≠0
Where does late work or make-up work get turned into?
Late Work Box on the back counter.
(-2 + 4) / (1/2)
4
-0.25(-1/4)+ (1/8)
3/16 or 0.1875
(3/4) + (-1/2) - (5/8)
-3/8 or -0.375
What is an Integer?
A whole number that can be positive, negative or zero.
What are the order of operations (in order)?
Grouping symbols
exponents
multiply & Divide (left to right)
Add & subtract (left to right)
(1/3)(2/4) - 2
-11/6 or -1.83 or (-1 5/6)
(2 1/4) - (1 3/4)
1/2 or 0.5
(-9/20) or (-27/60) or (-0.45)
What is Absolute Value?
The distance a number is form zero (on a number line) ALWAYS POSITIVE!
When can you discuss grades or make up work with Ms. Juarez?
Before school, before lunch, or right after school
(-1/4) X 0.20 + 0.75
7/10 or 0.7
SAME SIGNS WE AND KEEP THE SIGN
DIFFERENT SIGNS WE KEEP THE SIGN OF THE ONE WE HAVE MORE OF.
1)ADD
2) SUBTRACT
-7 X 3 + (2/3)
(-61/3) OR (-20 1/3) OR -20.3
What is a Zero Pair?
Two numbers that add to equal zero. One is positive and one is negative.
What is the formula for finding volume?
v= L x W x H