Introduction to Mathematical Reasoning (Kearns)

Read  Chapter 3.3: Adding and Subtracting of Decimals, and do as many of the given examples as needed. (7 minutes)

Click https://math.libretexts.org/Courses/Honolulu_Community_College/Math_75X%3A_Introduction_to_Mathematical_Reasoning_(Kearns)/03%3A_More_Types_of_Fractions-_Decimals_Percents_Ratios_and_Rates/3.03%3A_Combining_Decimals-_Addition_and_Subtraction_with_Decimals link to open resource.