Visualizing Addition of Dissimilar Fractions Without and With Regrouping
Objective: Visualize addition of dissimilar fractions without and with regrouping.

Mother has one whole cake. First she sliced 1 and then 1 of the cake. What part of the cake did she slice? 2 4 Let’s solve the problem following the steps in problem solving.
1. What is asked for?
The part of the cake that was sliced.
2. What are the given data?
1 was the first sliced , and 1 was the second sliced 2 4 3. What is the mathematical sentence?
1 + 1 = n

2 4
1
4
1
2
1
8
1
8
4. So 1 + 1 = 3
2 4 4
* How can we add fractions if they are dissimilar?
* Change the fractions to similar then add.
...Lesson 3
Topic: Fractions
Subtopic: Addition and Subtraction of Fractions
Materials
• A set of paper strips with words written on it
• Fish bowl
Objectives
• To guess the word written on the paper strip
• To practice patience and understanding to those who can not get the answer correctly
Control of Error
• Teacher
Presentation
• The teacher will introduce the activity and give the instruction on what to do.
• She will ask for...
...Fraction (mathematics)
A fraction (from Latin: fractus, "broken") represents a part of a whole or, more generally, any number of equal parts. When spoken in everyday English, a fraction describes how many parts of a certain size there are, for example, onehalf, eightfifths, threequarters. A common, vulgar, or simple fraction (examples: \tfrac{1}{2} and 17/3) consists of an integer numerator, displayed above a line (or before a...
...Fractions
The problem here is to add and 
These two fractions do not have the same denominators (lower numbers), so we must first find a common denominator of the two fractions, before adding them together.
For the denominators here, the 8 and 14, a common denominator for both is 56.
With the common denominator, the
becomes a
and the
becomes a
So now our addition problem becomes this...
The problem here is to add and...
...Subtraction with Regrouping
Abstract
This literature review focuses on twodigit subtraction with regrouping. Many students struggle with this concept and place value is a major stumbling block for students trying to master subtraction. This paper will also show that delaying the introduction to the traditional algorithm and allowing students to use their invented strategies as well as paying attention to the concreterepresentationalabstract instructional...
...Title of Lesson: Subtracting by Regrouping
Objectives:
The students will be able to:
• Subtract by going from right to left, subtract the ones, then the tens, then the hundreds
• Subtract by regrouping the tens, then the hundreds
GPS Standards:
MCC.3.NBT.2 Fluently add and subtract within 1000 using strategies and algorithms based on place value, properties of operations, and/or the relationship between addition and subtraction....
...ELECTROPHILIC ADDITION
PURPOSE
The purpose of this lab is to learn how to synthesize 2methyl2butene into 2bromo2methylbutane using addition of hydrogen bromide.
THEORY
Chemical Compound Molecular Formula Molecular Weight Boiling Point Melting Point Density
Amylene CH3CH=C(CH3)2 70.13 g/mol 36 oC 134 oC 0.662 g/ml
Hydrobromic Acid HBr 80.91 g/mol 126 oC 11 oC 1.490 g/ml
2Bromo2MethylButane C5H11Br 151.05 g/mol 107 oC 1.18 g/ml
Sodium...
...involving addition in similar fraction
A SAMPLE LESSON PLAN IN MATHEMATICS GRADE FOUR
USING BLOCK MODEL APPROACH
I. Objective
Solves word problem involving addition in similar fraction
{Learn to be generous all the time}
II. Subject Matter
A. Solving word problem involving addition in similar fraction
B. BECPELC, Mathematics 4, Textbook, pp. 105106
C. Textbooks, flashcards, charts, showmeboard,...
...Addiction as Choice?
Andria Burgess
Introduction to Psychology
Addiction as Choice?
Substance abuse is a pervasive problem throughout the United States. It affects all populations, socioeconomic groups, ages, and races. Within the community of substance abuse treatment providers, there is an ongoing debate on whether addiction is a disease, or whether individuals who abuse substances choose to engage in the behavior. There is evidence to support both positions. This paper will...
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7 Pages
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