1. Mathematics 2 Ms. Meek Adding and Subtracting Money Amounts

2. Adding and subtracting money amounts is a very useful skill to have when needing to calculate item totals, and to determine change. Change is a term that refers to the difference between the amount of money used to pay for something, and the value of that item.. Adding & Subtracting With Money

3. Review: Writing Money Amounts $ - A dollar sign is used to represent amounts of money greater than or equal to one dollar.. - A decimal point divides dollars and fractions of a dollar (cents). ¢ - A cent sign can be used to represent an amount of money less than one dollar. **We do not use the $ and ¢ symbol at the same time.**

4. When adding and subtracting money amounts, the most important thing to remember is to line up the decimals so that the digits are correctly aligned. The difference will not be correct if the decimals do not line up. The decimal separates the dollars and cents. When subtracting or adding a money amount it must be written with a dollar sign and decimal, not a cent sign. Adding & Subtracting With Money

5. Adding Money Amounts At the market, Angela bought two pieces of fruit. Her apple was $0.48 and her orange was $0.71. How much money did she spend altogether? $0.48 + $0.71 9 1 $0.48 + $0.71 $1.19

6. Adding Money Amounts At the store, Bryan bought two items. His notebook was $1.38 and pencil case was $2.61. How much money did he spend altogether? $1.38 + $2.61 $3.99

7. Making Change At the store, Cindy plans to purchase a pencil. The pencil is valued at $0.42. To pay for the pencil, she has two quarters. Two quarters, valued at $0.25 each, equal $0.50. What is the change, or what is the difference? 4 10 $0.50 -$0.42 $0.08

8. Making Change At the restaurant, Joe plans to purchase a sandwich. The sandwich is valued at $0.86 To pay for the sandwich, Joe uses 1 dollar. What is the change, or what is the difference? 9 0 10 10 $1.00 -$0.86 $0.14

9. Adding and subtracting money amounts is a very useful skill to have when needing to calculate item totals, and to determine change. When subtracting or adding money amounts, the most important thing to remember is to line up the decimals so that the digits are correctly aligned. Conclusion