Basic mathematics blog

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Recent Articles

  1. Average age word problem

    Average age of Dipu and Apu is 22 years. Average age of Dipu and Tipu is 24 years. Age of Dipu is 21 years. What are the ages of Apu, and tipu ? Let

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  2. Phone card word problem

    Elsa purchased a phone card for $25. Long distance cost .11 a minute using this card. Elsa used her card only once to make a long distance call. If the

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  3. Age

    The sum of ages of 5 children born at the intervals of 3 years each is 50 years. What is the age of the youngest child? Let x be the age of the youngest

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  4. Math problem about age

    Arvind is eight year older than his sister. in three year, he will be twice as old as his sister. how old was they are now? Solution Let x be a Arvind's

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  5. shen percent of increase

    A factory has 800 workers. 40% of them are females. The management decides to employ more female workers to cope with the increasing demands of the workload

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  6. Bike hire

    The cost to rent a bike for 1 person under 5 is 3£ over age 5 is 5.50£ calculate the cost of 4 under age fives and 3 over age fives what is the total cost?

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  7. Sugar Cookie Recipe

    Problem A sugar cookie recipe calls for 4 1/2 cups of sugar. Alison wants to make 2/3 of the normal amount of sugar. How much sugar will Alison use in

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  8. Number Theory Test

    Comprehensive number theory test to see how well you understand number theory

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  9. Units of Time

    Concept web about units of time from the smallest unit to the largest unit

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  10. Basic Operations

    Learn what the basic operations are in math with a graphic organizer

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  11. GED Math Test

    Failed the GED math test? Check out this free simulated practice test.

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  12. solution word problem

    A scientist wants to dilute a 60% acid solution by adding some 20% solution. If she starts with 80 ml of the 60% solution, how many milliliters of the

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  13. Mind Twisting vacation Trip with Proportion

    Danny and Melissa decided to rent a campervan from motorhomerepublic.com for their 20-day vacation. They are already up from packing up their stuffs when

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  14. Problem solving: Least common multiple

    During a car race, two competitors will stop to fill up the fuel tank. One does it every 4 laps, and the other every 5 laps. When the race begins, after

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  15. Super Stars

    On June 21st, there were 9/10 of a billion stars visible to the naked eye. On December 21st, there were 4/5 of a billion stars out visible to the naked

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  16. Locate Points Game

    Learn to locate points quickly with this fun math game.

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  17. Hypotenuse word problem

    The two legs of a right triangle are the same length. The hypotenuse is 4 meters long. Find the length of the legs. Express your answer in simplified

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  18. Gas tank word problem

    The tank at a gas station contained 400 gallons of gas. A tanker truck that contained 8100 gallons of gas filled the station's tank. After that the tanker

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  19. Math Game

    This math game will help you review a wide variety of math topics while having fun at the same time.

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  20. Trigonometric ratios of Special Angles

    A table to help you visualize the trigonometric ratios of Special Angles

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  21. How to find sine and cosine using the unit circle

    Find out how to use the unit circle to find sin(30 degrees), sin(60 degrees), cos(30 degrees), and cos(60 degrees)

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  22. Using the 30-60-90 triangle to find sine and cosine

    Using the-30-60-90 triangle to find sine(30 degrees), sin(60 degrees) cos(30 degrees), and cos(60 degrees)

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  23. Using the unit circle to find sin(45 degrees)

    Using the unit circle to find sin(45 degrees) is what this lesson will teach you

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  24. Unit Circle

    Learn what a unit circle is quickly and easily.

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  25. What is Trigonometry?

    Learn trigonometry quickly and easily with these crystal clear lessons.

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  26. The sine ratio

    Learn what the sine ratio is with an easy to follow lesson and explanation

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  27. The Tangent Ratio

    An activity about tangent ratios that will help you understand where the word tangent came from

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  28. Identify Fractions Game

    In this game, Identify fractions before they hit the bottom. This game is really fun and addictive

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  29. Adding and Subtracting Integers game

    Adding and subtracting integers game

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  30. Compensation in Math

    Learn what compensation is in math. See how to use compensation to do mental math

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  31. Cryptarithms

    Learn what cryptarithms are and how to solve them

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  32. Amicable Numbers

    See what amicable numbers are and how to find them

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  33. Perfect Number

    Find out what a perfect number is and how to find it. Use a calculator on this lesson to generate perfect numbers

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  34. Supply and Demand

    Find supply and demand and equilibrium point in economics

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  35. Estimate the Square Root

    Learn to estimate the square root fast with an easy math technique

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  36. What is Experimental Probability

    What is experimental probability? Teach me so I understand it fast and clearly

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  37. Interesting Math Problems

    A great variety of interesting math problems that will make you love math

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  38. Greatest Possible Error Calculator

    This greatest possible error calculator will find the biggest error in a measurement

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  39. Absolute Value Word Problems

    There absolute value word problems will teach how the absolute value can be used in the real world

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  40. Eighth grade math test

    An eighth grade test that can easily be printed. This test is designed to test most important skills taught in eighth grade.

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  41. Tenth grade math test

    A tenth grade test that can easily be printed. This test is designed to test most important skills taught in tenth grade.

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  42. Vertical Angles Theorem

    What is vertical angles theorem? Explanations and proof on this site

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  43. 10th grade math test

    A comprehensive 10th grade math test that is readily avalaible to print for free. The test will measure every important skill taught in commom core geometry

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  44. Pascal's Triangle

    What is pascal's triangle? See the pattern easily with a calculator

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  45. Online Age Calculator

    An online age calculator to find your age to the nearest second

    Read More








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Recent Articles

  1. Average age word problem

    Aug 09, 16 01:40 PM

    Average age of Dipu and Apu is 22 years. Average age of Dipu and Tipu is 24 years. Age of Dipu is 21 years. What are the ages of Apu, and tipu ? Let

    Read More



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