1. 8th Grade- 3rd Nine Weeks Review #1
2.4
Solve real world problems requiring scientific notation.
A pamphlet is 2.5 x 10-2 inches thick. What would be the thickness of 500 pamphlets?
The US imports x 106 barrels of oil from Canada every day and 2.31 x 105 from Brazil every day. How many more barrels of oil are imported from Canada that from Brazil each day?
A x B x C x D x 104
1.2
Interpret a qualitative graph representing a contextual situation.
Which description best fits the graph?
A. A sprinter running a 50m race.
B. A visitor walking around an amusement park.
C. A marathon runner whi stops for a break
before continuing on.
D. A resting horse that gallops and then slows down to a stop.
5.1
Calculate probabilities of events for simple experiments with equally probable outcomes.
What is the probability that
the spinner lands on a 3?
As a ratio:
As a percent:

2. 8th Grade- 3rd Nine Weeks Review #1
2.4
Solve real world problems requiring scientific notation.
List the countries in order of
population from least to
greatest.
1.2
Interpret a qualitative graph representing a contextual situation.
Which description best fits the graph?
A. Swimming at a consistent pace.
B. A ball rolling down a level and then a steeper hill.
C. Walking and then running.
D. A car traveling at a constant rate that speeds up to pass.
Sketch a graph that would represent:
The more a student studies, the higher
their grade on the exam.
Make sure to label the x and y axis.
5.1
Calculate probabilities of events for simple experiments with equally probable outcomes.
John has a bag of dimes. In the bag are 8 dimes from the 1980s, 6 dimes from the 1990s, and 4 dimes from the 2000s. If John randomly pics one dime from the bag, what is the probability that it will be a dime from the 2000s?
Country
Population
Belize
3.08 x 105
Cayman Islands
4.9 x 104
Costa Rica
4.26 x 106
Ecuador
1.46 x 107

3. 8th Grade- 3rd Nine Weeks Review #1
2.4
Solve real world problems requiring scientific notation.
The speed of light is about 2.00 x 108 meters per second. The average distance from the Moon to Earth is about 3.84 x 108 meters. About how many seconds does light take to travel from the Moon to Earth?
The mass of the Earth is about 5.9 x 1024 kilograms. The mass of the Sun is about 3.3 x 105 times the mass of Earth. Which is the best estimate of the mass of the Sun?
A. 1.9 x B. 1.9 x C. 1.9 x D. 1.9 x 1031
1.2
Interpret a qualitative graph representing a contextual situation.
Which description best fits the graph?
A. A ball picking up speed as it rolls down a hill.
B. A jogger running at a steady pace on a level trail.
C. An earthwork crossing a sidewalk.
D. A car speeding up and the traveling on cruise control.
5.2
Use a variety of methods to compute probabilities for compound events.
There are 6 kittens at an animal shelter. Two of the kittens are Siamese. What is the probability that the first two kittens that are adopted will be Siamese?
A. 1/ B. 1/ C. 1/ D. 1/4

4. 8th Grade- 3rd Nine Weeks Review #1
2.4
Solve real world problems requiring scientific notation.
1.2
Interpret a qualitative graph representing a contextual situation.
Which description best fits the graph?
A. Walking steadily along the street
B. Jogging and then getting tired and
slowing down
C. A ball rolling down a hill
D. A car getting on the highway
Write a description that
would fit this graph.
5.2
Use a variety of methods to compute probabilities for compound events.
Jane is going to toss a number cube and a coin. What is the probability that the number cube will land on a number less than 3 and the coin will land on tails?

5. 8th Grade- 3rd Nine Weeks Review Assessment #1 day 5
Mental Math- none on this day
Answers: Answers may be found in this week’s reviews.