TRUE OR FALSE: The rules for adding integers are the same as those for adding rational numbers.
TRUE
TRUE OR FALSE: The rules for subtracting integers are different from those of subtracting rational numbers.
FALSE
Negative + Negative =
NEGATIVE
Positive + Positive =
POSITIVE
What is the answer?
Is it rational or irrational?
-2 + 2 =
0
Rational
What are irrational numbers? What is an example?
a real number that cannot be turned into a fraction, non-terminating , does not repeat
ex. Pi (3.14159...), 1.4438462736...
What are rational numbers?
Fractions, decimals, mixed numbers, and integers.
Add the following:
(-8) + 6 + (-12)
-14
Add the following:
-6 + 6
0
Add the following:
1/2 + 9/16
17/16 or 1 1/16
Subtract the following:
-9 - (-9)
0
Subtract the following:
-3/4 - 4/5
-24/20 or -1 1/5
Add the following:
0.375 + 0.425
0.800
Subtract the following:
-0.25 - (-0.560)
0.31
What is the common denominator between
1/8 and 9/12
24
What is the common denominator between
3/6 and 4/16
48
Subtract the following:
-11 - 10
-21
Subtract the following:
10 - (-10)
20
Subtract the following:
11 - (-6)
5
Add the following:
8 + (-4) + 5
9