Circles
What is the decimal and fraction form of pi?
3.14 and 22/7
What criteria makes a graph proportional?
Starts at the origin (0,0) and is linear (straight line)
What is the total number of degrees in a supplementary angle?
180 degrees.
Solve for x.
2x -4 = 8
x = 6
What are the odds of rolling a number less than 5 on a six-sided die?
2/3
If Mr.K buys a laptop for $1,000 and there is a 7.5% sales tax. How much is he paying after taxes?
$1,075
What is the radius of a circle with a diameter of 110m?
55m
Is the following set of data proportional? Why or why not?
x _ y
1 - 3
2 - 4
3 - 5
No, the ratios (k) are not the same
An isosceles triangle has one angle of 70 degrees. What are the other two angles?
55 degrees
Solve for x.
x/2 + 3 = 11
x = 16
Is the chances of picking a number out of a deck of cards uniform or non-uniform.
Non-uniform.
If the tax on a microscope is 22% and the tax alone was $77, how much did the microscope cost before taxes?
$350
What is the circumference of a circle with a radius of 4in?
8pi or 25.13in2
What is the constant of proportionality for this bivariate set of data?
x _ y
0 - 0
4 - 1
12 - 3
20 - 5
k = 4
What do you call a triangle with three different angles?
Scalene
Solve for x.
1/3 = 1/6x + 2/9
x = 6/9 or 2/3
What is the probability that you flip two coins and get heads on both coins?
1/4
You want to buy an Ebike because you found a 30% off coupon on the ground. If the bike originally costs $5500 and you have to pay a 10% sales tax after the discount, how much do you pay total?
$4235
What is the area of a circle with a diameter of 10m?
25pi or 78.54m2
If Mr. K can solve 10 math problems in 30 minutes, how many math problems can he solve in one day?
480 math problems
What is the volume of a cube with all sides being 25m? (UNITS MATTER)
15,625m3
Draw the following inequality on a number line.
x < 11
Show correct drawing.
Mr. K is choosing a color collar and leash for his dog. The collar options are pink, blue, and purple and the leash colors are pink, blue, purple, and black.
What are the odds Mr. K chooses a blue collar with a black leash?
1/12
What is the discount % if the original price of a sweatshirt is $333 and I got it for $133.20.
60% off!
What is the circumference of a circle with an area of 25pi?
10pi or 31.4
Mr. K's brownie recipe calls for 2 eggs, 4 bags of mix,
1 1/3 cup of water, 1 1/3 cup of canola oil, and 2 cups of chocolate chips.
How much of each ingredient would you need if you wanted to triple the recipe?
6 eggs, 12 bags of mix, 4 cups of water and oil, and 6 cups of chocolate chips
What is the volume of a triangular prism with a base of 10cm, width of 7cm, and a height of 3cm? (UNITS MATTER!)
105cm3
Draw the following inequality on a number line.
-4 < x < 4
Draw on board.
Mr. K is choosing a color collar and leash for his dog. The collar options are pink, blue, and purple and the leash colors are pink, blue, purple, and black.
What are the odds the collar and leash are the same color?
1/4
Mr. K wants to buy a dog leash and a collar for his dog. The leash is 15% off of an original price of $25. The collar is 5% off of $12. Mr. K has to pay a sales tax of 7.5% after the discounts. (Round to the nearest hundredth)
$35.10
The Stanley Cup trophy has a circular base. The opening of the cup is also a circle. The base of the trophy has a radius of 65cm. The opening of the cup has a diameter of 102cm. What percentage of the bottom circle would the opening of the cup cover?
Area of the bottom = 13,266.5
Area of the top = 8,167.1
Divide top from bottom to find the percentage.
62%
Create a set of bivariate data and graph a linear relationship on the back of your whiteboard. (You need at least 3 points (x,y))
Answers will vary.
What is the area of a cylinder with a height of 17in and diameter of 8in?
854.08in3
Draw the following inequality on a number line.
-2x + 3 < 15
Draw on board.
Mr. K is choosing a color collar and leash for his dog. The collar options are pink, blue, and purple and the leash colors are pink, blue, purple, and black.
What are the odds the leash and collar are different colors?
3/4
Mr. K wants to get the following items for the classroom. How much will it cost him with a 20% teacher discount and a 5% sales tax added at the end?
Bean bag chair - 25% off of $100
Mini basketball hoop - 10% off of $60
Sno-Cone Machine - 30% off of $300
$284.76