Question 1: Order the following numbers from smallest to largest: -3, 2, -7, 4.

Answer: -7, -3, 2, 4

Question 2: Calculate: (-5) + 8.

Answer: 3

Question 3: Plot the graph of y = -x for x values -3, 0, 3. (Draw on the grid provided.)

Answer: Plot points ( -3, 3 ), ( 0, 0 ), ( 3, -3 )

Question 4: Construct a line segment connecting -4 and 5 on the number line.

Answer: Line segment between -4 and 5

Question 5: Order these numbers from greatest to least: -1, 3, -4, 0.

Answer: 3, 0, -1, -4

Question 6: A submarine descends 20 meters below sea level, then ascends 15 meters. What is its final depth relative to sea level?

Answer: -5 meters

Question 7: If you start at +10 on the number line and move 12 units left, where do you land?

Answer: -2

Question 8: Identify and correct the mistake: -3 is greater than 2.

Answer: Incorrect because -3 is less than 2; the correct statement is -3 < 2.

Question 9: Order the numbers: -8, 0, 5, -2, 3 from smallest to largest.

Answer: -8, -2, 0, 3, 5

Question 10: A hiker is at an altitude of +200 meters. She hikes down 250 meters, then up 100 meters. What is her final altitude?

Answer: -50 meters

Question 11: Challenge: The temperature drops 15°C, then rises 20°C the next day. If the starting temperature was 5°C, what is the temperature at the end of these two days?

Answer: 10°C