Basic mathematics blog
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Proof that There is no Rational Number Whose Square is 2
Feb 17, 19 12:04 PM
There is no rational number whose square is 2. An easy to follow proof by contraction.
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What is Orthographic Drawing
Feb 16, 19 05:08 PM
Lesson about orthographic drawing and examples. An orthographic drawing is
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What is the Cavalieri's Principle ?
Feb 15, 19 12:12 PM
The cavalieri's principle is a
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Printable Algebra Worksheets with Answers
Feb 12, 19 07:55 AM
A wide variety of algebra worksheets that teachers can print and give to students as classwork or homework.
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Military Time Converter ( The 24 Hour Clock! )
Feb 08, 19 02:35 PM
This is the best military time converter online. Convert from standard time to military time and from military time to standard time.
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How to Find the Radius of a Circle when Circumference is Given
Feb 05, 19 11:28 AM
Learn how to find the radius of a circle when the circumference of the circle is known or given
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Free Printable Geometry Worksheets
Feb 04, 19 03:16 PM
A wide variety of geometry worksheets that teachers can give to students as classwork or homework.
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How much money Ana has all together?
Feb 04, 19 12:01 PM
Ana found a 15 dollar bill on the floor on Saturday. Then on Sunday her parents gave her 155 dollars. How much does Ana have all together? CLUE: Saturday~15
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A test word problem
Feb 03, 19 05:16 PM
A multiple-choice test contains 25 questions. Correct answers are worth 4 points each; 2 points are deducted for each wrong answer; and unanswered questions
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Solve a simple system with five equations
Feb 03, 19 05:12 PM
The sum of four numbers a, b, c, and d is 68. If we increase a by 7, we get x. If we increased b by 8, we get x. If we decrease c by 15, we get 2x.If we
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Pizza and Fraction
Feb 03, 19 05:06 PM
3 friends share 4/5 of a pizza. what fraction of pizza does each person get? The amount to share is 4/5 Since the amount will be shared between 3 friends,
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A Tricky Percentage Math Problem
Feb 03, 19 04:56 PM
If someone wants to make $10.00 when selling an item and I get 40%. How much do I need to add to $10.00? It's not coming out when I add 40% to 10.00.
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Advanced Algebra for High School Math and College Math
Feb 03, 19 11:45 AM
Learn advanced algebra online. Topics include exponential and logarithmic functions, algebra proofs, tough algebra word problems
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A subtraction word problem with apples
Feb 01, 19 04:03 PM
Karla brings 15 apples to school. She gives away 9 apples. How many apples does Karla have left? Karla will have 15 - 9 apples = 6 apples Karla has
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Children and the Apples Word Problem
Feb 01, 19 03:50 PM
Once upon a time, there was a family of children. The oldest of these children was in charge of making sure that each of the other children did what
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Solve a system of linear equations to find the cost of a cd
Jan 31, 19 05:05 PM
Andrew had $93.00. With this money, he could buy 3 CDs and 4 books. However, he bought only 2 CDs and 3 books and had $27.00 left. What was the cost
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How to Find the Cost to Rent Bikes
Jan 31, 19 04:59 PM
The cost to rent a bike for 1 person under age five is 3£ and 5.50£ for anybody over age five. Calculate the cost to rent 7 bikes if 4 people are under
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Solving a Hot Dog Word Problem with a Linear Equation
Jan 31, 19 04:37 PM
Shawn was training for a hot dog contest. He trained for 6 days and each day he ate 4 more hot dogs. At the end of 6 days he had ate 150 hot dogs. How
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Solving a system of linear equations when the lines are parallel
Jan 31, 19 04:30 PM
Find the value of k so that the two given lines will be parallel. 3X-KY=7 2X+5Y=-1 First, put the two equations in standard form 3X - KY = 7 3X - 7
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Solving an Age Problem with a System of Linear Equations
Jan 31, 19 03:51 PM
The sum of Mira and Shaheena is 40 years. After 10 years Mia will be twice as old as Shaheena. What is Mia's age. What is Shaheena's age? Solution
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Hourly to Salary Calculator - Convert Hourly Wage to a Salary
Jan 22, 19 08:11 PM
Hourly to salary calculator- Convert your income to a yearly salary or a monthly salary
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Overtime Calculator - How much for Time and a Half or Double rate ?
Jan 18, 19 10:53 AM
This overtime calculator will help you figure out how much money earned for working overtime
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Convert Square Feet to Acres Calculator
Jan 14, 19 09:22 AM
Convert square feet to acres and acres to square feet with this conversion calculator
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Convert Kilograms to Tons calculator
Jan 13, 19 03:47 PM
Convert kilograms to tons and tons to kilograms with this conversion calculator
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How to Convert Square Feet to Acres
Dec 14, 18 04:05 PM
Here is how to convert square feet to acres - To convert square feet to ...
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Modeling Multiplication
Nov 15, 18 05:01 PM
Modeling multiplication with number counters - Learning multiplication is fun!
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Properties of Congruence
Nov 09, 18 09:40 AM
Learn the three properties of congruence. Examples to illustrate which property.
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Compound Interest Word Problems and Solutions
Nov 07, 18 02:38 PM
Practice with these well chosen compound interest word problems
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Compound Interest Formula- Explained
Nov 06, 18 02:37 PM
What is the compound interest formula? Which one is the principal?
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How to Write an Inequality
Oct 29, 18 02:26 PM
Learn how to write an inequality quickly with this easy to follow math lesson.
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Optical Illusions with Geometry
Oct 22, 18 04:14 PM
Take a good look at these optical illusions with geometry
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Why the Rule of 72 Works
Oct 15, 18 11:05 AM
why the rule of 72 works- math explanation of where the 72 came from.
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Rule of 72 definition
Oct 10, 18 08:36 AM
What is the rule of 72 ? Find out how you can use it to solve compound interest problems fast
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Multiplication of Binomials Geometrically - Area models
Oct 08, 18 08:47 AM
The objective of this lesson is to examine the multiplication of binomials geometrically
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Heart of Algebra : Key questions for the SAT math
Sep 01, 18 04:07 PM
These heart of algebra questions will help you prepare to take the math portion of the SAT
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How to Solve Logarithmic Equations
Jul 06, 18 12:29 PM
Learn how to solve two types of logarithmic equations
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Area Between Four Touching Circles
Jun 27, 18 09:24 AM
What is the area between four touching circles? How do I find it?
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How to Solve Exponential Equations
Jun 20, 18 04:10 PM
Learn how to solve exponential equations quickly with this lesson that is easy to understand
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Expanding Logarithms
Jun 14, 18 09:55 AM
Expanding logarithms made easy with this easy to follow lesson
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How to Simplify Logarithms
Jun 11, 18 02:27 PM
Learn how to simplify logarithms with this easy to follow lesson
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Properties of Logarithms
Jun 08, 18 12:03 PM
We help you see properties of logarithms clearly and fast using a table
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How to Evaluate Logarithms
Jun 04, 18 01:15 PM
Learn quickly how to evaluate logarithms with this easy to follow math lesson
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Exponential and Logarithmic Functions
May 21, 18 09:24 AM
Explore exponential and logarithmic functions with these easy to follow math lessons
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What is the Logarithm of a Negative Number?
May 16, 18 09:09 AM
What is the logarithm of a negative number or zero? Find a crystal clear explanation here!
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What is a Logarithm?
May 14, 18 04:36 PM
what is a logarithm? See the definition of logarithm
Recent Articles
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Proof that There is no Rational Number Whose Square is 2
Feb 17, 19 12:04 PM
There is no rational number whose square is 2. An easy to follow proof by contraction.
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Recent Articles
-
Proof that There is no Rational Number Whose Square is 2
Feb 17, 19 12:04 PM
There is no rational number whose square is 2. An easy to follow proof by contraction.
Everything you need to prepare for an important exam!
K-12 tests, GED math test, basic math tests, geometry tests, algebra tests.
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Learn about investing money, budgeting your money, paying taxes, mortgage loans, and even the math involved in playing baseball.