Lesson 5: Practice Problems
Problem 1
Write each subtraction equation as an addition equation.
Problem 2
Find each difference. If you get stuck, consider drawing a number line diagram.
Problem 3 From Unit 4 Lesson 10
A restaurant bill is $59 and you pay $72. What percentage gratuity did you pay?
Problem 4
Find the solution to each equation mentally.
Problem 5 From Unit 2 Lesson 3
One kilogram is 2.2 pounds. Complete the tables. What is the interpretation of the constant of proportionality in each case?
pounds
kilograms
kilogram per pound.
kilograms
pounds
pounds per kilogram.