vocab
What are integers?
Positive and negative whole numbers and zero.
TRUE OR FALSE: The rules for subtracting integers are different from those of subtracting rational numbers.
FALSE
Add the following:
-6 + 6
0
What is the common denominator between
3/6 and 4/16
48
What are rational numbers?
Fractions, decimals, mixed numbers, and integers.
Negative + Negative =
NEGATIVE
Add the following:
(-8) + 6 + (-12)
-14
Subtract the following:
-3/4 - 4/5
-24/20 or -1 1/5
What does absolute value mean?
the distance a number is away from zero
Positive + Positive =
POSITIVE
Subtract the following:
10 - (-10)
20
Subtract the following:
-0.25 - (-0.560)
0.31
What does inverse mean?
opposite
To subtract integers and rational numbers you must follow what rule?
Keep-Change-Change
Subtract the following:
-11 - 10
-21
Add the following:
37 - (-0.425)
36.575
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...
Positive - negative =
the sign of the number that has the larger absolute value
Solve the following:
3 - (-4) - 5 + 6 =
8
Solve the following...
2/3 - (-4/9) + 5/6 - 7/12
1 13/36