Vocab
What does equivalent mean?
Equal
Negatives numbers are to the __________ of zero.
The left of zero
Turn the following into a decimal:
7 1/8
7.125
| -5|
5
True or false: -4 is greater than -5
TRUE
The bigger negative is the smaller number.
An integer is...
A number that is positive or negative. (Zero included)
How do you turn a mixed number into a decimal?
Example:
1 4/5
Take the numerator (top number), divide it by denominator (bottom number), ADD the whole number. (Number to the side)
Turn the following decimal into a fraction:
0.16
16/100
An dolphin is 20 feet underwater. A man is 100 feet up on a building. An airplane is 20,000 feet above the sea level. What integer represents the dolphin?
(Remember the unit)
-20 feet
Which value is greater?
3 2/8 OR 3.25
Trick question! They're equal.
You can turn any fraction into a...
decimal
What number is not positive or negative?
0
Turn the following decimal into a fraction:
0.2
2/10
Mr. M gives his wife $1,000.
Write this two ways:
1. As an integer for Mr. M
2. As an integer for Mrs. M
Mr. M = -$1000
Mrs. M = +$1000
True or false: -1 > 0
False
Negative 1 is LESS than 0.
A negative number is always ____________ than a positive number.
Smaller
Think about them as money. Dollars and cents.
Turn the following decimal to a fraction:
1.5
1 5/10
An dolphin is 20 feet underwater. A man is 100 feet up on a building. An airplane is 20,000 feet above the sea level. What integer represents the sea level?
(Remember the unit)
0.
Sea level is ALWAYS zero!
Put these integers from greatest to least
{−3, −5, −1, 0}
0, -1, -3, -5
What does Absolute Value do?
Example: | -5|
Absolute Value - Negative becomes a positive. A positive stays a positive.
What place value is the 7 in for this decimal?
0.497
Thousandths.
Turn this decimal number into a fraction:
0.497
497/1000
- | 5|
Answer: -5
Absolute value turns it positive. But the negative sign is OUTSIDE. :)
True or False: | -8| > -8
TRUE.
|-8| = 8
8 > -8