Taking the square root
What is the square root of 9?
3
What is 62?
36
The diameter of Patti's earring is 5 centimeters. What is the radius of her earring?
2.5 centimeters!
(minus 20 points for no label)
The radius of Jacob's tire is 10 inches. What is the diameter?
20 inches!
(minus 20 points for no label)
Ellie is filling a pool with water at a rate of 2 gallons per minute. If the pool holds 120 gallons, how many minutes will it take to fill up the pool?
60 minutes!
(minus 20 points for no label)
What is the square root of 64?
What is 92?
81
What is the radius of Gregg's circular pool if the diameter is 17 feet?
6.5 feet!
(minus 40 points for no label)
What is the diameter of Destany's candle if the radius is 5 centimeters?
10 centimeters!
(minus 40 points for no label)
Can the absolute value of a number be negative?
If yes, when can it be negative? If no, why not?
It can never be negative because absolute value represents the distance between a number and zero, and distance cannot be negative
How do you write "the square root of 36" using the correct math symbol?
(draw)
How do you find the perfect square of a number?
Multiply the number by itself
How do you find a diameter on a diagram of a circle?
BONUS 50 pts: How do you label the diameter?
Draw a straight line starting at one edge of the circle and ending at the opposite edge of the circle, going through the center of the circle
Label the diameter as 'd'
How do you find a radius on a diagram of a circle?
BONUS 50 pts: How do you label the radius?
Draw a straight line from the center of the circle to the edge of the circle
Label it 'r'
What is the 5-number series that we need to create a box plot? What 5 things do we need?
What is the square root of 121?
11
What is 152?
225
The diameter of Stef's giant, life-size snow globe is 3.3 yards. What is the radius of her giant snow globe?
BONUS 100 pts: What is the radius in feet? (round to the nearest foot)
1.65 yards!
(minus 80 points for no label)
BONUS: 5 feet!
Ryan bought a table with a radius of 2.25 feet. What is the diameter of his table?
5.5 feet!
(minus 80 points for no label)
Explain why -4/2 and -7.0 are integers but 5/2 is not. What kind of number is 5/2?
-4/2 simplifies to -2, which is the opposite of a whole number (100 points)
-7.0 simplifies to -7, which is the opposite of a whole number (100 points)
5/2 simplifies to 2.5, which is not a whole number or its opposite (100 points). It is a rational number because it is a fraction or terminating decimal (00 points)
How do you find the square root of a number?
Think what times itself gives you the number under the radical?
What is the relationship between 72 and the square root of 49?
BONUS 100 pts: What does this tell you about the relationship of any perfect square and its square root?
72 is 49 and the square root of 49 is 7- they're opposite!
They are always opposite!
Explain how you can find the radius when given a diameter? Why do you do this?
Divide the diameter by 1/2 to get the radius because the diameter is twice the length of the radius
Explain how you can find the diameter when given a radius? Why do you do this?
Multiply the radius by 2 to get the diameter because the radius is half of the length of the diameter
Start at the origin (0,0). Go right 5 units to plot the x coordinate where x=5, then go down 2 units to plot the y coordinate where y=-2