Whole numbers are all positive numbers, including zero.
100
If you are adding a positive number and a negative number, what must you do first?
Subtract the two numbers first.
100
Will the product be positive or negative if you multiply two negative numbers?
It will be positive.
200
When the decimals come to an end.
What is a terminating decimal?
200
Find the decimal of 54 and 3/11.
What is 54.27... (repeating)
200
Describe what rational numbers are.
Rational numbers include fractions and decimals that can be both positive or negative.
200
Solve:
-3.5 + 14.4 =
It is 10.9
200
Solve:
-3(-6.2) =
It is 18.6.
300
A number that is the same distance from 0 on a number line as the original number, but on the other side of 0.
What is the opposite or additive inverse?
300
Marcus is 5 and 7/24 feet tall. Ben is 5 and 5/16 feet tall. Which boy is taller?
Ben, because 5.3125 > 5.2916...(repeating)
300
Which set of numbers best describes the situation:
the number of bills in a person's wallet
Whole numbers - there can't be a negative amount of bills nor any fractional part either, so integers and rational numbers don't describe the situation better.
300
Solve:
4.5 + (-12) + (-4.5) =
It is -12.
300
Solve:
(-3/4)(1/2)(-2/3) =
It is 1/4.
400
A group of items
What is a set?
400
Is the decimal for 3 and 1/18 repeating or terminating?
It is repeating. 3.0555...
400
Identify an integer that is not a whole number. Explain why it is not a whole number.
Answers will vary, but it must be negative.
400
Solve:
6.25 - (-3.5) =
It is 9.75.
400
Solve:
8 divided by (-4/3) =
It is -6.
500
Numbers that include both positive and negative whole numbers
What are integers?
500
Consider the decimal 0.101001000010000010000001.... Do you think this decimal represents a rational number? Why or why not?
No, since the digits after the decimal point do not terminate or repeat, it does not represent a rational number.
500
Classify the number:
- 1,054
It is an integer and rational number.
500
A scuba diver starts at 85.6 meters below the surface and descends until he reaches 103.2 meters below sea level. How many meters did he descend?