🔵 Problem Solving with Subtraction Day 42

Regrouping for Subtraction

Introduction

Salutations, Mindful Mathematicians!  You have been practicing how to solve subtraction equations using the standard algorithm. In this next lesson you will experience situations in which subtraction may be used as a strategy to find the solution.  Remember, that when finding differences in a real world situation, it could look different.  You may be taking away, finding the distance or difference between numbers, comparing amounts, and more.  So, as you embark on solving the problems, utilize our steps for visualizing word problems.

Guided Learning

Sabrina has decided to buy a new car.  She has $44, 963 saved in her bank account.  The car will cost $29, 919 plus $556 for tag fees.

How much money does Sabrina have left in her bank account after purchasing her new car?

Visualizing Word Problems
car
  1. Read the problem and write a response statement.
  2. Reread the problem piece by piece and visualize what is happening in the word problem using a drawing or diagram.  Remember to read the problems as many times as you need to in order to understand what is going on. Also, label your visual with numbers and words to make the diagram clear.
  3. Write an equation that helps to represent the visual/word problem.
  4. Solve the problem using a strategy of your choice.
  5. Complete your response. statement.

Independent Practice: Flipgrid

Click "Next" to create a flipgrid to share your thinking about the word problem above.

Answer the prompt below making sure to visually display your thinking by including words, diagrams, pictures, and numbers.  Then, make sure to present your final solutions as a FlipGrid video.

Sabrina has decided to buy a new car.  She has $44, 963 saved in her bank account.  The car will cost $29, 919 plus $556 for tag fees.

How much money does Sabrina have left in her bank account after purchasing her new car?

 

 

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