Dr. Byrne
Fall 2011
Math 201
Your name: _
Exam 1
1) Answer yes (Y) or no (N).
a. Consider the number 0:
b. Consider the number -1:
Is 0 a natural number?
_
Is -1 a natural number?
_
Is 0 a whole number?
_
Is -1 a whole number?
_
Is 0 an integer?
_
Is -1 a
Section 4.1 Mental Math and Estimation
Today well cover:
Estimation With Minimal Mental Work
Multiplication by Powers of 10
Additive Compensation
Multiplicative Compensation and
Special Factors
Equal Additions Method Subtraction
mental calculations
HW
Applied Mechanics 1
Experiment #4
Uniformly Accelerate Motion
Boris Gavranovic
Alfredo Valladolid
OBJECTIVE
In this experiment we will determine g, the acceleration of a freely falling object near the earth's
surface, by measuring the acceleration of the
Applied Mechanics 1
Experiment #4
Uniformly Accelerate Motion
Boris Gavranovic
Alfredo Valladolid
OBJECTIVE
In this experiment we will determine g, the acceleration of a freely falling object near the earth's
surface, by measuring the acceleration of the
Applied Mechanics 1
Experiment #4
Uniformly Accelerate Motion
Boris Gavranovic (991085727)
Alfredo Valladolid (030125157)
Page 1
OBJECTIVE
In this experiment we will determine g, the acceleration of a freely falling object near the earth's
surface, by mea
Applied Mechanics 1
Experiment # 1
Addition and Resolution of Vectors
OBJECTIVE
To determine the resultant of two or more forces by the polygon and parallelogram
methods of addition, and also by resolving the sets of forces into individual horizontal (x)
Applied Mechanics 1
Experiment # 1
Addition and Resolution of Vectors
Boris Gavranovic (991085727)
Alfredo Valladolid (030125157)
Page 1
OBJECTIVE
To determine the resultant of two or more forces by the polygon and parallelogram
methods of addition, and a
BORIS GAVRANOVIC
3182 Malham Gate
Mississauga, ON
(905)814-0264; (647)965-0264
b_crow13@hotmail.com
Objective
I am a current Mechanical Engineering student looking for employment, where I can effectively
and efficiently utilize my skills, to a company whe
The Cast Oil-Field Fitting
Sheridan College Institute of Technology and Advanced Learning
School of Engineering and Manufacturing Sciences
Date: September 17, 2008
Course: Manufacturing Process
Lecturers Name: Olufemi Adegun
Group Letter: B
Group Members:
Section 2.2: Whole Numbers and Numeration
Todays Outline
I. different ways of using numbers (cardinality, ordering and identification)
II. three ways of ordering numbers
III. numeration systems
Homework:
2.2A: 1, 4, 5, 6
2.2B: 1, 2, 5
I. Different ways of
Section 3.2 Multiplication and Division
Today well cover:
4 Approaches for Multiplication
Properties of Multiplication
2 Models and 2 Approaches for Division
HW:
3.2B: 1, 2, 3, 6, 8
4 Approaches for Multiplication
A product 63 can be in viewed in 4 differ
Dr. Byrne
Fall 2011
Math 201
Your name: _
Exam 2
Show your work. Calculators are not allowed.
1) Show how you could perform the following calculation using the equal additions
method of subtraction. Show enough work to demonstrate that the method of equal
Dr. Byrne
Fall 2011
Math 201
Your name: _
Exam 3
Show your work. Calculators are not allowed. Leave all answers in simplified form, and
convert any improper fractions to mixed fractions.
1. Models for fractions.
a. Represent
2
using fraction strips.
6
b.
I. Divisibility
Divisibility:
We say that a|b (a divides b) if we can multiply a by something to get b.
3 ways of showing divisibility: To show that a|b, we can
(1) find another factor x such that ax = b
(2) make a rectangle with total b squares that has
Exam III Review on Fractions Solutions
6.1 Concept of a Fraction
1. What fraction of the dots in the
image below is contained inside
the circle?
2. Models for fractions.
9
40
a. Represent
3
using the following models.
8
Set: fraction of triangles in the s
Exam I Review
What You Need to Know
Chapter 2
2.1 Whole Numbers
Know the difference between a natural number and a whole number, whole
numbers and integers, integers and rational numbers.
the natural numbers
= cfw_1, 2, 3,
the whole numbers
= the natural
Section 3.1 Addition and Subtraction
Today well cover:
Properties of Addition
2 Models for Addition and Subtraction
4 Conceptual Approaches for Subtraction
HW: 3.1A (3,4,7,11,13,23)
3.1B (1,3,4,11,13,14)
Properties of Whole Number Addition:
closure: the s
Exam 2 Review: Chapters 4 and 5
Study Guide Practice Questions
4.1 Mental Math and Estimation
1) Show how you could perform the following calculation using the equal additions
method of subtraction:
a. 74 58 = = (74+2) (58+2) = 76 60 = 16 6
b. 62 35 = = (
Section 2.3: Hindu-Arabic Numerical System
Homework:
2.3A: 1-3, 6, 7
2.3B: 1-4, 6
Properties of the Hindu-Arabic Numerical System
10 symbols: digits 0-9
All numbers, no matter how large (584,331) or small (0.00005), can be expressed with
just these 10 sym
Section 2.1 and 9.1 Together
Homework
2.1 A: 1, 2
9.1 B: 1, 3
Motivation: Different Types of Numbers Used in K-5
Counting Numbers: cfw_1, 2, 3,
Whole Numbers: add 0 to the counting numbers cfw_0, 1, 2, 3,
Integers: add negatives to the whole numbers cfw
Math 201, Spring 2011
Dr. Byrne
Your name: _
4.2 Whole Number Operations
In-Class Worksheet
Concrete, Intermediate and Abstract Algorithms
concrete algorithms: operations are concretely modeled using physical elements like base
10 blocks
abstract algorith
Manufacturing Processes.
Chapter 15.
Permanent Mold Casting.
Mold from cast iron, steel, graphite, etc
Material depends on the metal being cast and the
pouring temperature.
Higher the pouring temperature, the shorter the
mold life.
Often results in a