Question 1: Arrange the following integers in ascending order: -3, 5, -8, 0, 2.

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

Question 2: Calculate: (-7) + 4.

Answer: -3

Question 3: Plot the points for the following temperatures on the number line: -10°C, 0°C, 15°C, -5°C.

Answer: Students plot points accordingly on the grid.

Question 4: Order these integers from largest to smallest: -2, 3, -6, 0.

Answer: 3, 0, -2, -6

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

Answer: 3

Question 6: A submarine is at a depth of 50 meters below sea level. It ascends 20 meters, then descends 15 meters. What is its final depth?

Answer: -45 meters

Question 7: Order the integers -4, -1, -7, 2, -3 from least to greatest.

Answer: -7, -4, -3, -1, 2

Question 8: Construct a triangle on the grid with sides of lengths 4, -3, and 5 units, ensuring the side lengths are valid.

Answer: Students draw and verify the triangle sides on grid.

Question 9: Identify the mistake: A student claims -2 > -5 because '-2 is greater than -5'. Is this correct? If not, explain and correct the statement.

Answer: Incorrect. -2 is greater than -5 because on a number line, -2 is to the right of -5.

Question 10: If the temperature drops from 3°C to -4°C, what is the total change in temperature?

Answer: 7°C

Question 11: Challenge: Find two integers, one positive and one negative, whose sum is zero. Explain your reasoning.

Answer: Any pair like 5 and -5, because they sum to zero.