Lesson 10: Practice Problems
Problem 1
Evaluate each expression:
Problem 2
Evaluate each expression:
Problem 3 From Unit 5 Lesson 1
Order each set of numbers from least to greatest.
Problem 4 From Unit 5 Lesson 3
Write another sum of two numbers that equals 0.
Write a sum of three numbers that equals 0.
Write a sum of four numbers that equals 0, none of which are opposites.
Problem 5 From Unit 5 Lesson 6
A submarine is searching for underwater features. It is accompanied by a small aircraft and an underwater robotic vehicle.
At one time the aircraft is 200 m above the surface, the submarine is 55 m below the surface, and the underwater robotic vehicle is 227 m below the surface.
What is the difference in height between the submarine and the aircraft?
What is the distance between the underwater robotic vehicle and the submarine?
Problem 6 From Unit 5 Lesson 8
Clare is cycling at a speed of 12 miles per hour. If she starts at a position chosen as zero, what will her position be after 45 minutes?
Han is cycling at a speed of -8 miles per hour; if he starts at the same zero point, what will his position be after 45 minutes?
What will the distance between them be after 45 minutes?
Problem 7 From Unit 5 Lesson 9
Fill in the missing numbers in these equations