Cross Sections
Proportional Relationships
Probability
Converting fractions to decimals
Scale factor
100
If you slice this shape parallel to the base, what shape is the cross section?
Rectangle
100
If 1/2 cup of sugar makes 12 cupcakes, how many cupcakes can I make with 2 cups of sugar?
48 cupcakes
100
Using this spinner, which color is most likely to be landed on?
Blue
100
What is 1/5 as a decimal?
0.2
100
These are similar triangles. What scale factor was used to enlarge it?
2
200
If you slice this cone through the point at the top, what cross section would it make?
Triangle
200
Do these ratios form a proportion? How do you know?
16/24 = 100/150
Yes, they both equal 2/3 or 0.6666...
200
What is the probability of landing on purple on this spinner?
3/8
200
What is 4/9 as a decimal?
0.4444444....
200
What scale factor was used to enlarge this triangle?
1.5 or 1 1/2
300
If you slice this cylinder vertically, what cross section would it make?
Rectangle
300
If 1/4 cup of flour will make 20 cookies, how many cups of flour do I need to make 100 cookies?
5/4 cups or 1 1/4 cups
300
If your teacher picks a marble out of the bag 20 times and picks a blue one 3 of those times, what is the probability of picking a blue marble?
3/20
300
What is 0.32 as a fraction. Reduce to lowest terms.
32/100=8/25
300
What is the value of x in these similar triangles?
x = 9
400
If you slice through this shape parallel to the base, what shape is the cross section?
Hexagon
400
Do these ratios form a proportion?
125/350 = 210/490
No
400
If I spin this spinner 32 times, how many times would you expect me to land on yellow?
8 times
400
What is 3/8 as a decimal?
Find all the digits until they repeat or terminate.
0.375
400
What is the value of x in these similar triangles?
x = 9
500
List 4 shapes (cross sections) you can make when slicing through a rectangular prism.
Square
Rectangle
Triangle
trapazoid
pentagon
hexagon
500
During a giveaway, 630 middle schoolers won a t-shirt out of 1080 students and 120 high schoolers won a t-shirt out of 288 students. Which school had the greater probability of winning a t-shirt?
Middle School because...
630/1080=7/12 or 0.58333
120/288=5/12 or 0.41666
500
The chance of picking a red block out of a bag is 1/6 . If there are 48 blocks in the bag, how many of them are red?
8 red blocks
500
What is 1/7 as a decimal?
Find all the digits until they repeat or terminate.
0.142857 repeating
500
1.3