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Simplified Equation: 17 - x = 8
Word Problem: Rhonda has 12 marbles more than Douglas. Douglas has 6 marbles more than Bertha. Rhonda has twice as many marbles as Bertha has. How many marbles does Douglas have?
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Simplified Equation: {r = d + 12, d = b + 6, r = 2 �� b}
Word Problem: if there are 40 cookies all together and Angela takes 10 and Brett takes 5 how many are left?
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Simple Algebra Problems – Easy Exercises with Solutions for Beginners
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Understanding Algebraic Expressions
Breaking down algebra problems, solving algebraic equations, tackling algebra word problems, types of algebraic equations, algebra for different grades.
For instance, solving the equation (3x = 7) for (x) helps us understand how to isolate the variable to find its value.
I always find it fascinating how algebra serves as the foundation for more advanced topics in mathematics and science. Starting with basic problems such as ( $(x-1)^2 = [4\sqrt{(x-4)}]^2$ ) allows us to grasp key concepts and build the skills necessary for tackling more complex challenges.
So whether you’re refreshing your algebra skills or just beginning to explore this mathematical language, let’s dive into some examples and solutions to demystify the subject. Trust me, with a bit of practice, you’ll see algebra not just as a series of problems, but as a powerful tool that helps us solve everyday puzzles.
Simple Algebra Problems and Strategies
When I approach simple algebra problems, one of the first things I do is identify the variable.
The variable is like a placeholder for a number that I’m trying to find—a mystery I’m keen to solve. Typically represented by letters like ( x ) or ( y ), variables allow me to translate real-world situations into algebraic expressions and equations.
An algebraic expression is a mathematical phrase that can contain ordinary numbers, variables (like ( x ) or ( y )), and operators (like add, subtract, multiply, and divide). For example, ( 4x + 7 ) is an algebraic expression where ( x ) is the variable and the numbers ( 4 ) and ( 7 ) are terms. It’s important to manipulate these properly to maintain the equation’s balance.
Solving algebra problems often starts with simplifying expressions. Here’s a simple method to follow:
- Combine like terms : Terms that have the same variable can be combined. For instance, ( 3x + 4x = 7x ).
- Isolate the variable : Move the variable to one side of the equation. If the equation is ( 2x + 5 = 13 ), my job is to get ( x ) by itself by subtracting ( 5 ) from both sides, giving me ( 2x = 8 ).
With algebraic equations, the goal is to solve for the variable by performing the same operation on both sides. Here’s a table with an example:
Algebra word problems require translating sentences into equations. If a word problem says “I have six less than twice the number of apples than Bob,” and Bob has ( b ) apples, then I’d write the expression as ( 2b – 6 ).
Understanding these strategies helps me tackle basic algebra problems efficiently. Remember, practice makes perfect, and each problem is an opportunity to improve.
In algebra, we encounter a variety of equation types and each serves a unique role in problem-solving. Here, I’ll brief you about some typical forms.
Linear Equations : These are the simplest form, where the highest power of the variable is one. They take the general form ( ax + b = 0 ), where ( a ) and ( b ) are constants, and ( x ) is the variable. For example, ( 2x + 3 = 0 ) is a linear equation.
Polynomial Equations : Unlike for linear equations, polynomial equations can have variables raised to higher powers. The general form of a polynomial equation is ( $a_nx^n + a_{n-1}x^{n-1} + … + a_2x^2 + a_1x + a_0 = 0$ ). In this equation, ( n ) is the highest power, and ( $a_n$ ), ( $a_{n-1} $), …, ( $a_0$ ) represent the coefficients which can be any real number.
- Binomial Equations : They are a specific type of polynomial where there are exactly two terms. Like ($ x^2 – 4 $), which is also the difference of squares, a common format encountered in factoring.
To understand how equations can be solved by factoring, consider the quadratic equation ( $x^2$ – 5x + 6 = 0 ). I can factor this into ( (x-2)(x-3) = 0 ), which allows me to find the roots of the equation.
Here’s how some equations look when classified by degree:
Remember, identification and proper handling of these equations are essential in algebra as they form the basis for complex problem-solving.
In my experience with algebra, I’ve found that the journey begins as early as the 6th grade, where students get their first taste of this fascinating subject with the introduction of variables representing an unknown quantity.
I’ve created worksheets and activities aimed specifically at making this early transition engaging and educational.
6th Grade :
Moving forward, the complexity of algebraic problems increases:
7th and 8th Grades :
- Mastery of negative numbers: students practice operations like ( -3 – 4 ) or ( -5 $\times$ 2 ).
- Exploring the rules of basic arithmetic operations with negative numbers.
- Worksheets often contain numeric and literal expressions that help solidify their concepts.
Advanced topics like linear algebra are typically reserved for higher education. However, the solid foundation set in these early grades is crucial. I’ve developed materials to encourage students to understand and enjoy algebra’s logic and structure.
Remember, algebra is a tool that helps us quantify and solve problems, both numerical and abstract. My goal is to make learning these concepts, from numbers to numeric operations, as accessible as possible, while always maintaining a friendly approach to education.
I’ve walked through various simple algebra problems to help establish a foundational understanding of algebraic concepts. Through practice, you’ll find that these problems become more intuitive, allowing you to tackle more complex equations with confidence.
Remember, the key steps in solving any algebra problem include:
- Identifying variables and what they represent.
- Setting up the equation that reflects the problem statement.
- Applying algebraic rules such as the distributive property ($a(b + c) = ab + ac$), combining like terms, and inverse operations.
- Checking your solutions by substituting them back into the original equations to ensure they work.
As you continue to engage with algebra, consistently revisiting these steps will deepen your understanding and increase your proficiency. Don’t get discouraged by mistakes; they’re an important part of the learning process.
I hope that the straightforward problems I’ve presented have made algebra feel more manageable and a little less daunting. Happy solving!
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How do you solve word problems in math?
Master word problems with eight simple steps from a math tutor!
Author Amber Watkins
Published April 2024
- Key takeaways
- Students who struggle with reading, tend to struggle with understanding and solving word problems. So the best way to solve word problems in math is to become a better reader!
- Mastery of word problems relies on your child’s knowledge of keywords for word problems in math and knowing what to do with them.
- There are 8 simple steps each child can use to solve word problems- let’s go over these together.
Table of contents
- How to solve word problems
Lesson credits
As a tutor who has seen countless math worksheets in almost every grade – I’ll tell you this: every child is going to encounter word problems in math. The key to mastery lies in how you solve them! So then, how do you solve word problems in math?
In this guide, I’ll share eight steps to solving word problems in math.
How to solve word problems in math in 8 steps
Step 1: read the word problem aloud.
For a child to understand a word problem, it needs to be read with accuracy and fluency! That is why, when I tutor children with word problems, I always emphasize the importance of reading properly.
Mastering step 1 looks like this:
- Allow your child to read the word problem aloud to you.
- Don’t let your child skip over or mispronounce any words.
- If necessary, model how to read the word problem, then allow your child to read it again. Only after the word problem is read accurately, should you move on to step 2.
Step 2: Highlight the keywords in the word problem
The keywords for word problems in math indicate what math action should be taken. Teach your child to highlight or underline the keywords in every word problem.
Here are some of the most common keywords in math word problems:
- Subtraction words – less than, minus, take away
- Addition words – more than, altogether, plus, perimeter
- Multiplication words – Each, per person, per item, times, area
- Division words – divided by, into
- Total words – in all, total, altogether
Let’s practice. Read the following word problem with your child and help them highlight or underline the main keyword, then decide which math action should be taken.
Michael has ten baseball cards. James has four baseball cards less than Michael. How many total baseball cards does James have?
The words “less than” are the keywords and they tell us to use subtraction .
Step 3: Make math symbols above keywords to decode the word problem
As I help students with word problems, I write math symbols and numbers above the keywords. This helps them to understand what the word problem is asking.
Let’s practice. Observe what I write over the keywords in the following word problem and think about how you would create a math sentence using them:
Step 4: Create a math sentence to represent the word problem
Using the previous example, let’s write a math sentence. Looking at the math symbols and numbers written above the word problem, our math sentence should be: 10 – 5 = 5 !
Each time you practice a word problem with your child, highlight keywords and write the math symbols above them. Then have your child create a math sentence to solve.
Step 5: Draw a picture to help illustrate the word problem
Pictures can be very helpful for problems that are more difficult to understand. They also are extremely helpful when the word problem involves calculating time , comparing fractions , or measurements .
Step 6: Always show your work
Help your child get into the habit of always showing their work. As a tutor, I’ve found many reasons why having students show their work is helpful:
- By showing their work, they are writing the math steps repeatedly, which aids in memory
- If they make any mistakes they can track where they happened
- Their teacher can assess how much they understand by reviewing their work
- They can participate in class discussions about their work
Step 7: When solving word problems, make sure there is always a word in your answer!
If the word problem asks: How many peaches did Lisa buy? Your child’s answer should be: Lisa bought 10 peaches .
If the word problem asks: How far did Kyle run? Your child’s answer should be: Kyle ran 20 miles .
So how do you solve a word problem in math?
Together we reviewed the eight simple steps to solve word problems. These steps included identifying keywords for word problems in math, drawing pictures, and learning to explain our answers.
Is your child ready to put these new skills to the test? Check out the best math app for some fun math word problem practice.
Parents, sign up for a DoodleMath subscription and see your child become a math wizard!
Amber Watkins
Amber is an education specialist with a degree in Early Childhood Education. She has over 12 years of experience teaching and tutoring elementary through college level math. "Knowing that my work in math education makes such an impact leaves me with an indescribable feeling of pride and joy!"
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- \mathrm{Lauren's\:age\:is\:half\:of\:Joe's\:age.\:Emma\:is\:four\:years\:older\:than\:Joe.\:The\:sum\:of\:Lauren,\:Emma,\:and\:Joe's\:age\:is\:54.\:How\:old\:is\:Joe?}
- \mathrm{Kira\:went\:for\:a\:drive\:in\:her\:new\:car.\:She\:drove\:for\:142.5\:miles\:at\:a\:speed\:of\:57\:mph.\:For\:how\:many\:hours\:did\:she\:drive?}
- \mathrm{The\:sum\:of\:two\:numbers\:is\:249\:.\:Twice\:the\:larger\:number\:plus\:three\:times\:the\:smaller\:number\:is\:591\:.\:Find\:the\:numbers.}
- \mathrm{If\:2\:tacos\:and\:3\:drinks\:cost\:12\:and\:3\:tacos\:and\:2\:drinks\:cost\:13\:how\:much\:does\:a\:taco\:cost?}
- \mathrm{You\:deposit\:3000\:in\:an\:account\:earning\:2\%\:interest\:compounded\:monthly.\:How\:much\:will\:you\:have\:in\:the\:account\:in\:15\:years?}
- How do you solve word problems?
- To solve word problems start by reading the problem carefully and understanding what it's asking. Try underlining or highlighting key information, such as numbers and key words that indicate what operation is needed to perform. Translate the problem into mathematical expressions or equations, and use the information and equations generated to solve for the answer.
- How do you identify word problems in math?
- Word problems in math can be identified by the use of language that describes a situation or scenario. Word problems often use words and phrases which indicate that performing calculations is needed to find a solution. Additionally, word problems will often include specific information such as numbers, measurements, and units that needed to be used to solve the problem.
- Is there a calculator that can solve word problems?
- Symbolab is the best calculator for solving a wide range of word problems, including age problems, distance problems, cost problems, investments problems, number problems, and percent problems.
- What is an age problem?
- An age problem is a type of word problem in math that involves calculating the age of one or more people at a specific point in time. These problems often use phrases such as 'x years ago,' 'in y years,' or 'y years later,' which indicate that the problem is related to time and age.
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The Sunday Read: ‘What Deathbed Visions Teach Us About Living’
Researchers are documenting a phenomenon that seems to help the dying, as well as those they leave behind..
By Phoebe Zerwick
Read by Samantha Desz
Produced by Jack D’Isidoro and Aaron Esposito
Narration produced by Anna Diamond and Emma Kehlbeck
Original music by Aaron Esposito
Engineered by Sophia Lanman and Sharon Kearney
Listen and follow The Daily Apple Podcasts | Spotify
Chris Kerr was 12 when he first observed a deathbed vision. His memory of that summer in 1974 is blurred, but not the sense of mystery he felt at the bedside of his dying father. Throughout Kerr’s childhood in Toronto, his father, a surgeon, was too busy to spend much time with his son, except for an annual fishing trip they took, just the two of them, to the Canadian wilderness. Gaunt and weakened by cancer at 42, his father reached for the buttons on Kerr’s shirt, fiddled with them and said something about getting ready to catch the plane to their cabin in the woods. “I knew intuitively, I knew wherever he was, must be a good place because we were going fishing,” Kerr told me.
Kerr now calls what he witnessed an end-of-life vision. His father wasn’t delusional, he believes. His mind was taking him to a time and place where he and his son could be together, in the wilds of northern Canada.
Kerr followed his father into medicine, and in the last 10 years he has hired a permanent research team that expanded studies on deathbed visions to include interviews with patients receiving hospice care at home and with their families, deepening researchers’ understanding of the variety and profundity of these visions.
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"I knew intuitively, I knew wherever he was, must be a good place because we were going fishing," Kerr told me. Kerr now calls what he witnessed an end-of-life vision. His father wasn't ...