Foundations Of Math

Question 1

What is a real number?

Answer 1

Numbers that exist in the real world

Ex.

12
5/8
sq. root of 3

Question 2

What is an integer?

Answer 2

Written WITHOUT a fraction or decimal

0,1,2,3,4,-1,-2,-3

Question 3

What is a whole number?

Answer 3

Positive integer

0,1,2,3

Question 4

What is a prime number?

Answer 4

Number can only divided by 1 and itself

Ex.

2,3,5,7,11,13,17,19

Question 5

What is a rational number?

Answer 5

Any number that can be expressed as a ratio of two integers

Ex.

Fractions - 3/7, 1
Decimals - 7.2
Percentages - 10%

Question 6

What is the order of operations?

Answer 6

Please - Parentheses

Really - Roots
Excuse - Exponents

My - Multiplication
Dear - Division

Aunt - Addition
Sally - Subtraction

Question 7

What are

Roots & Exponents
Multiplication & Division
Addition & Subtraction

Answer 7

Algorithmic opposites

• they do the opposite of each other

Question 8

What are algorithms?

Answer 8

The way you compute something

Question 9

What kind of number system do we use?

Answer 9

Base 10
- mov’t left or right changed the place
Value by a unit of 10