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Define integer. Then, give two examples of an integer.
22a) While Alex was surfing, he rose 36 feet above the water as he rode the wave. Within seconds he fell 48 feet, where he hit the ocean floor. How deep was the ocean where Alex was surfing? Write an expression for the situation.
22b) Solve your expression to find the depth of the ocean where Alex was surfing.
Which integer represents a loss of $20?
What is the value of |-4|?
What is the value of |7|+|-3|?
What integers represent Q and R on the number line?
What value of s makes -18 - (-5) a true sentence?
11 + (-7)
-5(-11)
-15 ÷ (-3)
-39 - 7
A snake dives towards deeper water at a rate of 18 inches per second. If the snake continues at this rate for a total of 9 seconds, which expression represents the snake's position?
Amanda has $31 in her purse. She pays $6 for lunch. Which expression represents this situation?
The lowest temperature on Mars can reach -140°C while the highest temperature can be 20°C. What is the difference between the highest and lowest temperatures on Mars?
In which of these situations would the answer to the question be 0?
-4 - (-23)
-10(5)
-11 + 4
-26 ÷ 2
|-41| + |8|
Does |-13 + 2| equal |10 + 1|? If so, explain why. If not, state what each absolute value expression equals.
23a) In one day, a hiker climbed up a mountain a verticla distance of 100 feet, down a vertical distance of 23 feet, up a vertical distance of 25 feet, and down a vertical distance of 36 feet. Write an addition expression to represent the distances the hiker climbed up and down during the day.
23b) Solve your expression to find the elevation of the hiker by the end of the climb.