In a football match, if team A scored -3 and team B scored 3, what is the combined score?
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Question 3
3.
Which pair of numbers can be added to make 0?
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Question 4
4.
In terms of temperature, if it's 15 degrees inside a room and -15 degrees outside, what's the sum?
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Question 5
5.
On the number line above, the numbers a and b are the same distance from 0. What is a+b?
Use this to answer the next few questions.
Ojos del Salado is the highest mountain in Chile, with a peak at about 6900 meters above sea level. The Atacama Trench, just off the coast of Peru and Chile, is about 8100 meters below sea level (at its lowest point).
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Question 6
6.
What is the difference in elevation between the peak of Ojos del Salado and the lowest point of the Atacama Trench?
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Question 7
7.
If you start from sea level and go to the top of Ojos del Salado, how many meters have you climbed?
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Question 8
8.
If a submarine was at sea level and descended to the lowest point of the Atacama Trench, how many meters would it have descended?
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Question 9
9.
If you are at the top of Ojos del Salado and descend to the lowest point of the Atacama Trench, how many meters you have descended?
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Question 10
10.
Which of the following expressions is equivalent to 4(3x - 2)?
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Question 11
11.
If 2(3x + 5) - 4x = 14, what is x?
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Question 12
12.
Which of the properties of operations is the best to apply when simplifying the expression 2x + 3 + 4x + 1?
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Question 13
13.
Which of the following expressions represents the Distributive Property?