Additional Practice
298 Essential Skills for Health Careers Success
Basic Math Review
If you are confi dent in your math abilities and are able to answer these questions correctly, skip ahead to
the Data Analysis section. These questions can also be used as review upon completing the chapter.
Values
Identify the value of each digit in the following
numbers.
1. 210
2. 3
3. 203,987
4. 1,244,765
5. 66,789
Addition
Find the sum of the following addition problems
without using a calculator.
6. 213 + 456 + 342 =
7. 4,500 + 97 + 456 =
8. 43 + 345 + 1,234,679 =
9. 45 + 678 + 1,908 =
10. A student studying to be a hospital dieti-
cian is told by her instructor that a diet
should not contain large amounts of salt.
The student is asked to track the salt intake
in her lunch. She recorded: 1,200 mg in a
tuna sandwich, 300 mg in French fries,
320 mg in a milkshake, and 325 mg in a
cherry pie. How many mg of salt did the
student consume during lunch?
11. 49 + 99 + 52,045 =
12. 669 + 4,000 + 924 =
Addition Using a Calculator
Use a calculator to fi nd the sum of the following
addition problems.
13. 998 + 2,346 + 21 + 367 + 1,489 =
14. 22 + 1,345,780 + 7,500 + 236 + 31 =
15. 2,331,498 + 226,560 + 67 + 7,611 + 85,423 =
16. 546 + 3,467 + 237,689 + 34 + 7 + 90,458 =
17. 34 + 345 + 1,234 + 12,608 + 214,896 =
Subtraction
Find the difference without using a calculator.
18. 23 – 12 =
19. 245 – 239 =
20. 1,200 – 36 =
21. 534 – 315 =
22. Dr. James told an obese patient that he
needed to enroll in a weight loss program.
The patient initially weighed 320 pounds;
today the patient weighs 245 pounds.
How much weight has he lost?
23. Javier’s physician has told Javier that he
needs to lose 15 pounds. Javier weighed
in at 210 pounds. What does Javier’s phy-
sician want him to weigh?
24. 10,000 – 9860 =
25. Lizzie’s phlebotomy instructor announces
that there will be a total of 100 internship
hours required to pass the course. Lizzie
has already fi nished 21 hours. How many
hours does she have left?
Subtraction Using a Calculator
Use a calculator to fi nd the difference in each of the
following subtraction problems.
26. 2,345 – 300 =
27. 4,444 – 666 =
28. 2,890 – 345 =
29. 1,234,589 – 3,467 =
30. 3,590 – 768 =