Review - Chapter 1 Rational Numbers and Coordinate Plane 1. According to a survey conducted by the Texas Free Press, 120 out of 144 people do not have internet access at their homes. What fraction of the people surveyed do not have internet access at their homes? A. B. C. D. 2. During a recent football game, Brooke kept a record for the coach. The [+/-] column is the amount of yards gained or lost for each play. Play Number 1 2 3 4 5
Yards Gained or [+/-] Lost Gain of 5 +5 Loss of 8 Loss of 4 Gain of 21 Loss of 2
Fill in the +/- column to show the amount of yards gained or lost on each play. The first play is completed for you.
3. On one February day in Houston, the temperature at 8:00 a.m. was 45. By noon, the temperature rose 12 degrees, and it rose 7 more degrees by 4:00 p.m. Finally, the temperature dropped 14 degrees by 10:00 p.m. What integer could be used to best represent the temperature change between 4:00 p.m. and 10:00 p.m.?
4. This table shows record low temperatures for some states. Temperature (◦F) State Mississippi -32 Oregon -43 Florida 15 Arkansas -36 Nevada 6 Louisiana If Louisiana’s record low temperature is the opposite of Florida's record low temperature, what integer represents Louisiana's record low temperature?
5. Mr. Wang bought four packages of ground beef. The actual weights of the four packages were
. Put
the actual weights of these packages of ground beef in order from lightest to heaviest. Use the number line below to help put them in order.
6. Lauren needs to order the number cards below from greatest to least. ̅
Which of the following shows the numbers on the cards in the correct order? F.
̅
G.
̅ ̅
H. J.
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7. A sun fish is 8 feet below the surface of the water. Which point on the number line best represents this location? A. B. C. D.
8. Arrange the following list of numbers in ascending order:
9. Sarah lives 6.75 kilometers away from her middle school. Which fraction represents the distance from Sarah’s house to her school? F. G. H. J.
10. Alexis read that yesterday’s low temperature in San Antonio was 21°C, Indianapolis was 4°C below zero, Buffalo was 7°C below zero, and San Francisco was 12°C. Part A Label the temperatures on the number line with a point and the city name.
Part B List the cities in order from coldest to warmest temperature.
11. A bag of cough drops contains 36 drops. The fraction of each flavor is shown either in the table or on the number line below.
Using the information in the table and on the number line, which statement about the number of cough drops in the bag is true? F.
There are more mint flavored cough drops than lemon flavored cough drops.
G.
There are more cherry flavored cough drops than honey flavored cough drops.
H.
The number of lemon flavored cough drops is equal to the number of cherry flavored cough drops.
J.
There are fewer mint flavored cough drops than lemon flavored cough drops.
12. The Venn diagram represents the relationships between the sets and subsets of rational numbers.
Make a list of numbers that belong in Section B. 15. Candy bought snacks at the bulk bins for a meeting after school. The table shows the amounts of each type of snack that she bought. Type of Candy Pretzels Cheez-its
Amount (lb) 3.5
Goldfish Peanuts Which of the following lists the weight of the snacks, in pounds, in order from lightest to heaviest? A. Pretzels, Cheez-its, Goldfish, Peanuts B. Peanuts, Goldfish, Pretzels, Cheez-its C. Cheez-its, Pretzels, Goldfish, Peanuts D. Goldfish, Cheez-its, Peanuts, Pretzels
13. What is the only whole number that is not a counting number?
14. Draw a Venn Diagram of the number system. Then give at least three examples of each set of numbers.