On the number line above, the numbers a and b are the same distance from 0. What is a+b?
On the number line above, the numbers a and b are the same distance from 0. What is a+b?
What is the sum of a number and its opposite?
In a football match, if team A scored -3 and team B scored 3, what is the combined score?
Which pair of numbers can be added to make 0?
In terms of temperature, if it's 15 degrees inside a room and -15 degrees outside, what's the sum?
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).
Which of the following expressions is equivalent to 4(3x - 2)?
If 2(3x + 5) - 4x = 14, what is x?
Which of the properties of operations is the best to apply when simplifying the expression 2x + 3 + 4x + 1?
Which of the following expressions represents the Distributive Property?
What is the difference in elevation between the peak of Ojos del Salado and the lowest point of the Atacama Trench?
If you start from sea level and go to the top of Ojos del Salado, how many meters have you climbed?
If a submarine was at sea level and descended to the lowest point of the Atacama Trench, how many meters would it have descended?
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?