Vocab
What is absolute value?
The distance from zero (positive or negative)
6+(-4)
2
|-9|
9
True or False:
-6,728 is a rational number
True
What does |-7| mean and what is its value?
It means the absolute value of -7 or the distance of -7 from 0. Its value is 7.
What is an integer?
A positive and negative number
-3+2
-1
|15| - |-4| =
11
Which one is irrational
3/4 or 64.24509230.......
64.24509230.......
What is the product of 720 x 4
2880
What is a rational number
A number that comes to a stop (can be written in the form of a fraction)
6 - (-4)
10
|4| + |9| =
On your whiteboard, write 2 rational numbers and 2 irrational numbers. Split your board in half and label.
Teacher Graded
What is the area of a rectangle that has a dimension of 8in by 4in?
32 square inches.
What is an irrational number
A number that cannot be expressed as a fraction - goes on forever
-20 + 3
-17
|-10| + |-6| =
16
Give me one rational number that ends in a 7 (must be more than one digit)
Teacher Graded
What is the decimal equivalent of 4/5?
0.80 or 0.8
What does it mean if there is a negative sign BEFORE the absolute value symbol?
It is opposite of the absolute value
-4 - (-6) - 2
0
-|15| + |-10| =
-5
Give me one rational number that ends in a 5, must have at least 5 digits, and includes a decimal
Teacher Graded
Arrange the numbers from least to greatest:
3, -6, 4.2, -2.5, 1/4
-6, -2.5, 1/4, 3, 4.2