Graded Assignment Unit Test, Part 2: Adding and Subtracting Rational Numbers
Answer the questions below. When you are finished, submit this assignment to your teacher by the due date for full credit.
Total score: of 15 points
(Score for Question 1: ___ of 4 points)
Pick two points on the number line below. Your Choice of any two numbers. Use both methods (Method A and Method B) to find the distance between the two points that you picked on the number line.
Method A: Count the number of units between the points. (Hint: Take a snip if you need to and draw on the snip.)
Method B: Take the absolute value of the difference of the two numbers.
Bonus: When taking the absolute value, show and explain how either the greater number or the lesser number can be the subtrahend (the number subtracted).


Method A (2 points):

Method B (2 points):

Bonus (1 point – Be sure to use the vocabular words in read at least once):
(Score for Question 2: ___ of 5 points)
The table shows several animals that live in or below a tree. The table also shows the elevation of their dwellings, relative to ground level.
Dwellings Elevation (m)
Robin's nest

(pc: From Google Search) 2.8 m
Groundhog burrow (lowest turn-around chamber)

(pc: from Pinterest via Google search) -1.5 m

Google a favorite animal that lives above the ground. How high does your favorite animal live above ground (in meters)?

(Past a picture of your animals home below: from Google search) ___ m
Plot and label the elevation of each dwelling and your animal jump on a vertical number line. There is a number line you can print and download with this TGA or you can create your own using Paint, then snip, save, copy and paste in the answer space below or upload in the Unit 2 TGA Dropbox.
Calculate the vertical distance between each pair of dwellings. Organize your results in a table.



Pair of dwellings (homes) below Distance between dwellings in an expression. Hint: Recall how to find distance. Distance between dwellings in meters.

(Score for Question 3: ___ of 6 points)
A recipe calls for 1 1/2 cups of flour, 3/4 cup of white sugar, and 3/8 cup of brown sugar.
How many total cups of ingredients are there? Show your ALL your work step by step using Addition OR by using a number line. Again, you can snip a picture of the number line below and draw on the snip using the Snipping tool on your computer. You may choose to use make your own number line by hand if that works better for you.
Which of the following mixing bowls can you use to make the recipe: 2-cup, 3-cup, or 4-cup? Justify your answers. Your explanation should include your answer from part (a) and WHY your choice for bowls is the best choice for full credit.

I chose to . Calculate, Use Numberline or Use both methods (pick at least one and show all work).