Word Problems
Vocabulary
Absolute Value & Opposites
Coordinate Plane
NOT IN USE
100
Of the states below, which is the warmest temperature? a) Maryland: -13 degrees b) Virginia: -14 degrees c) Delaware: -3 degrees d) New York: -10 degrees
c) Delaware: -3 degrees
100
What is an integer? (definition and/or number set)
whole numbers and their opposites: Number Set: ...-3,-2,-1,0,1,2,3
100
What is the opposite of -2.4?
2.4
100
Where is the origin of the coordinate plane?
Center - (0,0)
200
List the elevation (height) of the five cities below in order from least to greatest: Baltimore: -4 feet D.C.: -5.5 feet Rockville: -0.25 feet Denver: 10 feet Bethesda: 4 feet
Least to greatest: -5.5 , -4 , -0.25 , 4 , 10
200
What are rational numbers
all numbers we've seen are rational numbers (including fractions and decimals)
200
What is the absolute value of -12?
200
Which direction does the x axis go?
Horizontally, left to right
300
If Mr. G goes scuba diving and is swimming 900 feet below sea level, what integer will represent the number of feet he is located at?
-900 Feet
300
What is a whole number? (definition and/or number set)
All natural numbers and zero 0,1,2,3,4,5...
300
I 4 I = ?
4
300
Which quadrant would the ordered pair (-5,6) be in?
Quadrant 2
400
-3 > -12 Given the above, which statement is true? A) -3 degrees is colder than -12 degrees? B) 3 below zero is warmer than 12 below zero C) $3.00 is greater debt than $7.00
B) 3 below zero is warmer than 12 below zero
400
What is a natural number?
counting numbers like 1,2, 3, 4, 5,
400
What is the opposite number of 0?
0
400
Which quadrant would the ordered pair (0,4) be in?
Y Axis
500
Point (-5, -9) is reflected to create (5, -9). Which of the following is true? A)The point (-5,-9) was reflected across the x-axis. B)The point (-5,-9) was reflected across the y-axis. C)The point (-5,-9) was reflected across both the x-axis and the y-axis.
B) (-5,-9) was reflected across the y-axis because the sign of the x coordinate changed but the y coordinate.
500
label all four quadrants on a coordinate plane
see board
500
Why is absolute value always positive?
Because it is the distance a number is from zero on the number line.
500
The point P(-3,-4) is reflected across the x-axis to create point Q. Which ordered pair represents the location of point Q? A) (-3,4) B) (3,-4) C) (3,4) D) (-3, -4)
A) (-3,4) becuase when you reflect of the x-axis you change the sign of the y coordinate
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