Operations on Integers

• Mathematics
• Primary Education
• Age 11

Operations on Integers

What is the sum of -5 and 3?

1. -2
2. 5
3. -8
4. 0

What is 7 minus -4?

1. 1
2. 0
3. 3
4. 11

What is the product of -2 and 6?

1. -12
2. 8
3. 0
4. 12

What is -9 divided by 3?

1. -6
2. -3
3. 0
4. 3

What is the absolute value of -7?

1. 0
2. 7
3. -7
4. 14

Challenge: “Integer Escape Room”

Your team is trapped in a virtual math room. To escape, you must solve integer challenges correctly. Each correct answer unlocks the next clue. One mistake resets your progress—so think carefully and work as a team!

Mechanics of the Game

1. Each group receives a Challenge Card Set (Levels 1–4).

2. Groups must solve the problems in sequence.

3. They must justify their answers before moving to the next level.

4. The first group to complete all levels accurately wins.

Level 1: Decode the Code (Addition & Subtraction)

Solve and match each answer to a letter code.

Problem Solution

−12 + 18 ____

25 − (−7) ____

−30 + (−15) ____