Basic Arithmetic
Lesson 2 Introduction to Fractions
LESSON 2 INTRODUCTION TO FRACTIONS
INTRODUCTION
In this lesson, we will work again with factors and also introduce the concepts of prime
and composite numbers. We will then begin working with fractions a

Basic Arithmetic
Lesson 9 Units & Conversions
LESSON 9 UNITS & CONVERSIONS
INTRODUCTION
U.S. units of measure are used every day in many ways. In the United States, when you
fill up your car with gallons of gas, drive a certain number of miles to work, or

Basic Arithmetic
Lesson 4 Fraction Multiplication & Division
LESSON 4 FRACTION MULTIPLICATION & DIVISION
INTRODUCTION
Now that we have learned how to add and subtract fractions, we will work with the
remaining two major mathematical operations: multiplica

Scottsdale Community College
Basic Arithmetic
Student Workbook
Development Team
Donna Gaudet
Amy Volpe
Jenifer Bohart
Second Edition
April, 2013
This work is licensed under a
Creative Commons Attribution-ShareAlike 3.0 Unported License.
ii
A NOTE ABOUT TH

Basic Arithmetic
Lesson 12 Signed Numbers
LESSON 12 SIGNED NUMBERS
INTRODUCTION
In the first few lessons of this course, we learned about different number types including
whole numbers and fractions. In this lesson, we will revisit those numbers but with

Basic Arithmetic
Lesson 11 Geometry II: Volume & Triangles
LESSON 11 GEOMETRY II: VOLUME & TRIANGLES
INTRODUCTION
We continue our study of geometry by working with volume, a measure of three
dimensions. In addition, we will spend a little more time workin

MAT082 Basic Arithmetic
Review for the Final Exam
1. Find the perimeter and area of the rectangle shown below:
p=54
11 meters
a=176
16 meters
2. Find the circumference and area of a circle with radius 5 feet. Use = 3.14.
c=31.4
a=78.5
3. A rectangle is 3.

Basic Arithmetic
Lesson 8 Statistics
LESSON 8 - STATISTICS
INTRODUCTION
In this lesson, we will learn the basic language and concepts related to a branch of
mathematics that deals with collecting, organizing, and interpreting data. This branch of
mathemat

Basic Arithmetic
Lesson 7 Ratios, Rates & Proportions
LESSON 7 RATIOS, RATES, & PROPORTIONS
INTRODUCTION
In Lessons 2, 3, & 4, we spent time building a base of knowledge about fractions and
operations with fractions. In this lesson, we will expand on that

Basic Arithmetic
Lesson 1 Whole Numbers
LESSON 1 WHOLE NUMBERS
INTRODUCTION
We will begin our study of Basic Arithmetic by learning about whole numbers. Whole
numbers are the numbers used most often for counting and computation in everyday life.
The table

Basic Arithmetic
Lesson 10 Geometry I: Perimeter & Area
LESSON 10 GEOMETRY I: PERIMETER & AREA
INTRODUCTION
Geometry is the study of shapes and space. In this lesson, we will focus on shapes and
measures of one-dimension and two-dimensions. In the next le

Basic Arithmetic
Lesson 6 Percents
LESSON 6 - PERCENTS
INTRODUCTION
So far in this course we have worked with different types or forms of numbers including
whole numbers, fractions, and decimals. With each number type or form we have learned
to join them

Rules of Divisibility
Divisibility by 2: A number is divisible by 2 if it is an even number. Even numbers ends in
0, 2, 4, 6, and 8.
Divisibility by 3: For the considered number add up all the digits and find its sum. If the
sum is divisible by 3 so will

Basic Arithmetic
Lesson 3 Fraction Addition & Subtraction
LESSON 3 FRACTION ADDITION & SUBTRACTION
INTRODUCTION
In this lesson, we will concentrate on combining fractions through addition and
subtraction (and save multiplication and division for the NEXT

Basic Arithmetic
Lesson 5 Decimals
LESSON 5 - DECIMALS
INTRODUCTION
Now that we know something about whole numbers and fractions, we will begin working
with types of numbers that are extensions of whole numbers and related to fractions.
These numbers are

HW Mini Lessons 2, 3, & 4
Adding mixed numbers (#2)
-obtain a common denominator, add, if sum is improper convert 2 mixed number and add 2
whole number, simplify
Dividing Fractions (positive) (#6)
-multiply reciprocal of divisor a/b / c/d = a/b / d/c = a

Divisibility Rules
-a number is divisible by 2 if it ends in 0, 2, 4, 6, or 8
-a number is divisible by 4 if last 2 digits are divisible by 4
-a number is divisible by 8 if last 3 digits are divisible by 8
-a number is divisible by 3 if sum of digits is d