1. Fractions/Decimals/ Percents

3. Money The most common application of math is money and personal finance. If you’ve ever balanced a checkbook, compared loans to buy a car, or set up a retirement account, then you have had to call on your skills in decimals/fractions/percents to help you.

4. American Money In the US, our money is based on dollars and cents. One cent is represented as $.01, with a 1 in the hundredths place, because it is 1/100 th of a dollar. Notice “cents” is from the Latin centum meaning a hundred.

5. Sidenote: Korean Money 1000 won= 1 US dollar

6. Compound Interest

7. Percents

8. I=prt interest=principle x rate x time P. 60

9. Math in the Workplace Fractions

10. Photographers and math

12. Pharmacists and math

13. Pharmacists use math to calculate dosages.

14. How do you think you’ll use math in your career field?

15. Fractions

16. A pharmacists is compounding a batch of medication that requires 218 ¼ g of a drug that costs $79.75 per kilogram and 124 ½ g of a drug that cost $38.50 per kilogram. How much is the cost of this batch?

17. Since the numbers are in both decimals and fractions, convert the decimals to fractions so you are working within the same format. DrugWeightPrice Drug A218 ¼ gram79.75  79 ¾ per kg Drug B124 ½ gram38.50  38 ½ per kg