Rational Redefinition
Define a "Rational Number" in your own words
Any number that can be written as a fraction a/b
On a horizontal number line, which direction do you move to find a greater number?
To the Right.
Write an inequality statement comparing -10 and -2 using the < or > symbol.
-10 < -2
Convert the fraction 1/2 into a decimal and a percent.
0.5 and 50
Convert the improper fraction 7/2 into a mixed number.
3 1/2
121 divided by 11
11
True or False: Every whole number is also a rational number.
True. (Because any whole number can be put over 1, like 5/1
Which is further to the left on a number line: -8 or -3?
-8 (The further a negative number is from zero, the further left it sits).
Use the phrase "less than" to describe the relationship between -5 and 3.
-5 is less than 3
Convert the fraction 1/2 into a decimal and a percent.
0.5 and 50
Convert 2 1/3 into an improper fraction.
7/3
77 divided by 7
11
What do we call two numbers that are the same distance from zero but on different sides of the number line?
Opposites
If point A is at -2 and point B is at 1, which point is greater? Explain using the word "position."
(1) is greater. Reasoning: It is further to the right on the number line than Point A.
Write an inequality that shows that a debt of 20 is less than a bank balance of 5
-5 is less than 3
Write 20% as a decimal and a fraction.
0.20 (or 0.2) and 1/5 (or 20/100).
Turn 11/4 into a mixed number.
2 3/4
496 divided by 8
62
Is the number -5.25 a rational number? Why or why not?
Yes. It is a decimal that ends (terminates), and it can be written as a fraction: -5 1/4 or -21/4.
Place these numbers in order from least to greatest: 0, -5, 2, -1.
-5, -1, 0, 2
What does the absolute value symbol |-7| mean?
The distance from zero
Convert 0.4 into a percent.
40%
Convert 5 2/5 into an improper fraction.
27/5
652 divided by 7
93 R 1
Explain why a fraction like 3/4 fits the definition of a rational number.
Because it is a ratio of two integers (3 and 4) where the bottom number is not zero.
Order these from greatest to least: 1/2, -3, 0.75, -1.5
0.75, 1/2, -1.5, -3
True or False: |-10| > |5|. Explain your reasoning.
True. |-10| = 10 and |5| = 5. Since 10 is greater than 5, the statement is true.
What is 3/5 written as a decimal?
0.6
If you have 21/5 pounds of candy, how would you write that as a mixed number?
4 1/5
701 divided by 3
233 R 2