One Step Equations: Adding and Subtracting

Introduction Today you are going to work on solving algebraic equations. Each equation will also have a word problem so that you can practice real-world problems! Please watch the video to help you. You must show your work, even if you already know the answer! Solving One Step Equations with Adding and Subtracting Problem 1: Leo had d dollars. He got $15 for his birthday. Now he has $25. How much money did he have to start?Solve the equation below to get your answer. Find d by adding or subtracting to get d by itself. Problem 2: Sarah had p pencils. She lost 4 of them. Now she has 15 pencils. How many pencils did Sarah have to start?Solve the equation below to get your answer. Find p by adding or subtracting to get p by itself. Problem 3: Last week Julia ran 30 miles more than Peter. Julia ran 47 miles. How many miles did Peter run?Solve the equation below to get your answer. Find m by adding or subtracting to get m by itself. Problem 4: After paying $5.12 for a salad, Nora has $27.10. How much money did she have before buying the salad?Solve the equation below to get your answer. Find x by adding or subtracting to get x by itself. Problem 5: Miss Dolan had 13 students in class. Some new students joined her class. Now she has 16 students. How many new students joined?Solve the equation below to get your answer. Find s by adding or subtracting to get s by itself.Hint: make sure you add or subtract the NUMBER, not the s.