IMO Practice Test — Integers (Negative Numbers)
6 Questions • 25 min • Olympiad level
25:00
Question 1 of 6
hard
Temperature starts at -5°C, rises 12°, then falls 8°. Final temp?
-1°C
1°C
-9°C
9°C
Explanation: -5+12=7, 7-8=-1°C
Question 2 of 6
hard
Find value:
−8
+
3
-
Explanation:
Question 3 of 6
hard
Simplify: -3 - (-7) + (-4) - 2
-2
2
-8
8
Explanation: -3+7=4, 4-4=0, 0-2=-2
Question 4 of 6
hard
Which expression has the largest value?
-5+8
-3-4
2-(-6)
-7-(-2)
Explanation: A=3, B=-7, C=8, D=-5 → C=8 largest
Question 5 of 6
hard
A submarine is at -80 m. It rises 35 m, then descends 20 m. Current depth?
-65 m
-95 m
-25 m
-135 m
Explanation: -80+35=-45, -45-20=-65 m
Question 6 of 6
hard
If a = -4, b = 7, c = -2, find a - b + c
-13
1
-9
9
Explanation: -4-7=-11, -11+(-2)=-13