Unit 5 Lesson 2: Numbers, Numbers, Numbers

Question 1

Whole numbers

Answer 1

Whole numbers are the ones we learn to count, starting with 0, 1, 2, 3, 4, 5, and so on.

Question 2

Integers

Answer 2

Integers are very similar but can include negative numbers like -1, -2, -3, -4 and so forth.

Question 2

What is a fraction

Answer 2

A fraction is just a part of a whole number and is usually written with one number “over” the other one, with a “/” sign between them. The top number is called the numerator, and tells you how many parts in the fraction, while the bottom number, or denominator, tells you how many parts the whole is divided into. The fraction 5/8 indicates that the whole is divided into eight parts, and the fraction indicates five of those eight parts.

Question 3

What does a ratio show

Answer 3

A ratio shows how many times one number can go into another.

Question 3

When we want to express the relationship of two numbers or quantities to one another, we will use a

Answer 3

ratio

Question 4

percentage

Answer 4

percentage: a number or ratio expressed as parts of 100.

Question 5

average

Answer 5

calculated central value of a set of numbers

Question 6

Math in healthcare

Answer 6

You will use basic operation in math to perform very important calculations in healthcare. You may be figuring out how many pills to give to equal the correct dosage of a medication. You may need to divide a day into equal units, so you know when to give one of five evenly spaced doses of medication. You may need to figure out how much liquid a patient has ingested by subtracting what is left in the glass from what was there to start with. Basic operations have many applications in healthcare. For all of these reasons, brushing up on your arithmetic is a terrific idea.