Here are the answers to each of your questions based on the provided options:
Question 1:
Which of the following problems would be solved using the method of Keep Change Change (KCC) or Add the opposite?
- Answer: -12 - (-6)
(Using KCC: -12 + 6)
Question 2:
The opposite of a number. A number and its opposite add up to give zero.
- Answer: Additive Inverse
Question 3:
The distance the number is from zero, always a positive number.
- Answer: Absolute Value
Question 4:
Which of the following represent irrational numbers?
- Answer: Pi
(Square root is incomplete; it should specify which square root, as sqrt(2) is irrational and sqrt(9) is rational.)
Question 5:
This problem has multiple correct answers. Choose all examples of Rational Numbers.
- Answer:
- square root of 9 (which is 3, a rational number)
- 1.25 (which is a rational number)
- -1 7/10 (which is a rational number)
(Square root of 2 is irrational, so it is not a correct choice.)
Question 6:
What is the visual representation that is used on many of the vocabulary words and in lesson videos to help understand the concepts of Rational Numbers?
- Answer: Number line
Question 7:
Is this statement True or False: Rational numbers include fractions, whole numbers and decimals that do not repeat or terminate?
- Answer: False
(Decimals that do not repeat or terminate are classified as irrational numbers.)
Question 8:
What is the correct answer to this math problem: -5 - (-5)?
- Answer: 0
(Using the rule of subtracting a negative number.)
Let me know if you need any more help!