Budgeting with Integer Operations

9th GradeMath45 min

aligned to Illustrative Mathematics

Learning Objective

I can apply integer operations to solve real-world budgeting problems.

Lesson Flow

Watch Video

14 min

Guided Notes

9 min

Key concepts students will learn:

  • When adding integers with different signs, take the greater absolute value and subtract the lesser. The answer will take the sign of the greater absolute value.

  • When subtracting integers, you must add the opposite.

  • When multiplying or dividing integers, the same signs result in a positive product or quotient, while different signs result in a negative product or quotient.

Practice

14 min

6 questions • Multiple choice & Short answer

Exit Ticket

5 min

Create a monthly budget. You have an income of $2000. Your expenses include: Rent ($700), Groceries ($300), Transportation ($200), Utilities ($150), and Entertainment ($100). After covering these expenses, how much money do you have left? Show your work.

Teacher Guide

Get the complete package:

  • Answer keys for all questions
  • Differentiation strategies
  • Extension activities
  • Printable student handouts
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