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51 Cards in this Set

  • Front
  • Back
Positive and negative numbers are used together to describe quantities having ______ directions or values.
Positive and negative numbers are used together to describe quantities having opposite directions or values.
A reading of 5 degrees Celsius indicates that the temperature is _____ 0, while a reading of -5 degrees Celsius indicates that the temperature is ______ 0.
A reading of 5 degrees Celsius indicates that the temperature is above 0, while a reading of -5 degrees Celsius indicates that the temperature is below 0.
In the celsius temperature scale, 0 represents the point at which _______.
In the celsius temperature scale, 0 represents the point at which water freezes.
An altitude of -400 ft indicates that you are 400 ft _____ sea level, while an altitude of 400 ft indicates that you are 400 ft ________ sea level.
An altitude of -400 ft indicates that you are 400 ft below sea level, while an altitude of 400 ft indicates that you are 400 ft above sea level.
An altitude of 0 ft indicates that you are ________.
An altitude of 0 ft indicates that you are at sea level.
A rational number is a number that can be expressed as an _____ or a ______.
A rational number is a number that can be expressed as an integer or a fraction.
What types of numbers can be expressed as a point on the number line?
Rational numbers (integers or fractions) can be expressed as a point on the number line.
Draw a 4-quadrant coordinate plane that shows both positive and negative values from -10 to 10.
Label the quadrants I, II, III, and IV.
Draw and label a number line that shows both positive and negative values from -10 to 10.
Plot the following points: (2,3) (-2,3) (2,-3) (-2,-3)
Indicate the location of -3 on the number line.
Indicate the location of 5 1/2 on the number line.
Indicate the location of -7/2 on the number line.
Plot the following numbers on a number line. 4, -5/2 7, 9/2, -1, -6 What do you notice about these numbers?
Numbers that have a negative sign are on the left of the zero point while numbers that do not have a negative sign are on the right of the zero point.
Numbers that have a negative sign are on the left of the zero point while numbers that do not have a negative sign are on the right of the zero point.
What is the opposite of -5? Explain how you can show this on a number line.
The opposite of -5 is 5. This can be shown on a number line because -5 is 5 units to the left of 0 on the number line, so its opposite must be 5 units to the right of 0 on the number line.
What is the value of -(-4)? Explain how you found the value.
The value is 4. I know this because it is the opposite of negative 4. The negative sign means the opposite of which ever number you are referring to, so in the case you are looking for the opposite of the opposite of 4. The opposite of the opposite of any number is itself.
What is the opposite of 0? Explain.
The opposite of 0 is 0. 0 is 0 units away from 0 on the number line in either directions, so it is its own opposite.
In which quadrant lies the point (10, 3)? Explain.
The point (10,3) lies in quadrant I because both coordinates are positive.
In which quadrant lies the point (-5,6)? Explain.
The point (-5,6) lies in quadrant II because the x coordinate is negative and the y coordinate is positive.
In which quadrant lies the point (-7,-4)? Explain.
The point (-7,-4) lies in quadrant III because both coordinates are negative.
In which quadrant lies the point (1, -10)? Explain.
The point (1, -10) lies in quadrant IV because the x coordinate is positive and the y coordinate is negative.
Plot the points A (2,5) and B (-2,5). How are these points related?
Point B is a reflection of point A over the y-axis.
Point B is a reflection of point A over the y-axis.
Plot the points A (2,5) and B (-2,-5).How are these points related?
Point B is a reflection of point A over the y-axis and then over the x-axis.
Point B is a reflection of point A over the y-axis and then over the x-axis.
Plot the points A (2,5) and B (2,-5). How are these points related?
Point B is a reflection of point A over the y-axis.
Point B is a reflection of point A over the y-axis.
Which point is located at (4,-8)?
Which point is located at (4,-8)?
F
Which point is located at (-2, -10)?
Which point is located at (-2, -10)?
E
Which point is located at (-9/2, 2)?
Which point is located at (-9/2, 2)?
C
Which point is located at (7 1/2, -2)?
Which point is located at (7 1/2, -2)?
G
Which point is located at (10, 6)?
Which point is located at (10, 6)?
A
Which point is located at (-8, 7)?
Which point is located at (-8, 7)?
B
Which point is located at (-8 1/2, -5 1/2)?
Which point is located at (-8 1/2, -5 1/2)?
D
-3 > -7 means that -3 is located to the ______ of -7 on the number line.
-3 > -7 means that -3 is located to the right of -7 of the number line.
-5 < 7 means that -5 is located to the ______ of 7 on the number line.
-5 < 7 means that -5 is located to the left of 7 on the number line.
0 > -5 means that 0 is located to the ______ of -5 on the number line.
0 > -5 means that 0 is located to the right of -5 on the number line.
Show that -2 degrees Celsius is warmer than -15 degrees Celsius using an inequality statement.
-2 degrees C > -15 degrees C
Interpret this statement of inequality regarding alititude. 30 ft > -240 ft
An altitude of 30 ft is higher than an altitude of -240 ft. (Student also might mention that altitude of 30 ft is above sea level and -240 ft is below sea level.)
The absolute value of a rational number is equal to its ______________ on the number line.
The absolute value of a rational number is equal to its distance from zero on the number line.
What is the absolute value of -4?
4
|45| = ?
|45| = 45
-|5| = ?
-|5| = -5
What is the opposite of the absolute value of 2?
-2
-|-3| = ?
-|-3| = -3
Describe the debt for a bank account with a balance of -30 dollars using absolute value.
|-30| = 30. The debt is 30 dollars.
Describe the distance from sea level for an altitude of -22 ft using absolute value.
|-22| = 22. The altitude is 22 ft away from sea level. (Student may describe altitude as below sea level)
A student is in $450.00 of debt and her roommate is in $276.00 of debt. Who owes more money? Show this with an inequality statement.
The student in $450.00 of debt owes more money. |-$450| > |-$276|
An altitude less than -50 feet represents a distance away from sea level that is (greater than, less than) 50 feet.
An altitude less than -50 feet represents a distance away from sea level that is greater than 50 feet.
How far is it in Blocks from home to the playground?
How far is it in Blocks from home to the playground?
9 Blocks
How far is it in Blocks from the library to the pizzeria?
How far is it in Blocks from the library to the pizzeria?
17 Blocks
This morning, I left home and walked to school. After school, I walked to the bookstore. How far did I walk altogether?
This morning, I left home and walked to school. After school, I walked to the bookstore. How far did I walk altogether?
14 Blocks
Bus Route 1 starts at the bus stop and goes to the library first while Bus Route 2 goes to the playground first. Which bus travels further to go to its first stop?
Bus Route 1 starts at the bus stop and goes to the library first while Bus Route 2 goes to the playground first. Which bus travels further to go to its first stop?
Bus Route 2 travels further to go to its first stop.