Open Up - Grade 7 - Mathematics - Unit 8 - Lesson 9

By Formative Library
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Last updated about 2 years ago
5 Questions
1
1.
A vending machine has 5 colors (white, red, green, blue, and yellow) of gumballs and an equal chance of dispensing each. A second machine has 4 different animal-shaped rubber bands (lion, elephant, horse, and alligator) and an equal chance of dispensing each.

If you buy one item from each machine, what is the probability of getting a yellow gumball and a lion band?
(answer as a fraction)
5.OA.1
7.SP.8.a
6.EE.2.b
7.SP.8.b
1
2.
The numbers 1 through 10 are put in one bag. The numbers 5 through 14 are put in another bag. When you pick one number from each bag, what is the probability you get the same number? (answer as a fraction)
5.OA.1
7.SP.8.a
6.EE.2.b
7.SP.8.b
1
3.
For the event, write the sample space and tell how many outcomes there are.

Roll a standard number cube. Then flip a quarter.
5.OA.1
7.SP.8.a
6.EE.2.b
7.SP.8.b
1
4.
For the event, write the sample space and tell how many outcomes there are.

Select a month. Then select 2020 or 2025.
5.OA.1
7.SP.8.a
6.EE.2.b
7.SP.8.b
1
5.
On a graph of the area of a square vs. its perimeter, a few points are plotted.

Add some more ordered pairs to the graph. (Show your work)
Is there a proportional relationship between the area and perimeter of a square?(Multiple Choice)
5.OA.1
7.SP.8.a
6.EE.2.b
7.SP.8.b
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