Rational Numbers
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FREE SPACE
What is the absolute value of −5?
5
The minimum height to ride the rollercoaster is 48 inches. The maximum height is 68 inches. Write two inequalities to represent the situation. Use the variable h is represent height.
h is greater than or equal to 48
h is less than or equal to 68
If a point is reflected across the x-axis, what happens to its coordinates?
The y-coordinate changes sign.
Create a number line and plot the rational numbers −2, 0, 2, and 3.
Bonus Question: What do you notice about 2 and -2?
2 and -2 are opposite numbers and the same distance from 0.
What does the absolute value of a number represent?
The distance of the number from zero on the number line.
Write an inequality to show that Andre is taller than his brother how is 4.5 feet tall, but shorter than his dad who is 6.2 feet tall. Let x represent what Andres height.
x is greater than 4.5
x is less than 6.2
List 3 numbers that are common multiples of 3 and 6.
Possible answers: 12, 18, 24, 30, 36
Compare the numbers 3/4 and 2/3 using an inequality symbol.
3/4 is greater than 2/3
What is the absolute value of 3 and −3?
Both have an absolute value of 3.
Write an inequality to show that Mai can spend up to $20 at the concession stand. Let x represent what Mai spent.
x is less than or equal to 20
Find the distance between the points (3,5) and (3,2).
The distance is 3 units
Order the following numbers from least to greatest: 4.5, 2/3, -1.4, -0.2
-1.4, -0.2, 2/3, 4.5
If the absolute value of a number is 7, what are the possible values of that number?
7 or -7
Write an inequality that represents the constraint: "A number must be at least 10."
x is greater than or equal to 10.
What is the least common multiple of 6 and 8?
24