Question 1: Arrange the following temperatures from coldest to warmest: -5°C, 0°C, -12°C, 3°C.

Answer: -12, -5, 0, 3

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

Answer: -3

Question 3: What is the value of (-15) - (-7)?

Answer: -8

Question 4: Plot the points (-3, 2), (0, -4), and (5, 0) on the grid.

Answer: Students will draw points at the specified coordinates.

Question 5: Order the following financial changes from greatest to smallest: -£50, +£20, -£10, +£30.

Answer: +£30, +£20, -£10, -£50

Question 6: A submarine is at a depth of -200 meters. It ascends 50 meters, then descends 70 meters. What is its final depth?

Answer: -220

Question 7: Using the grid, construct a triangle with sides of lengths 4, -3, and 5 units. Which side length(s) involve negatives, and what does that imply?

Answer: Sides of length -3 units involve negatives, indicating a reflection or direction change in the construction.

Question 8: Calculate: (-12) + (-7).

Answer: -19

Question 9: A temperature drops from 3°C to -4°C overnight. How much did the temperature decrease?

Answer: 7°C

Question 10: Identify and correct the mistake in this statement: "-3 is greater than 2."

Answer: The mistake is that -3 is less than 2; the correct statement is "-3 is less than 2."