Middle School Math (Grades 6, 7, 8, 9) – Free Questions and


Free Mathematics Tutorials

Grade 6, 7, 8 and 9 math questions and problems to test deep understanding of math concepts and computational procedures of students are presented. Answers to the questions are provided and located at the end of each page.

  • Grade 6 Math word Problems with detailed solutions and full explanations.
  • Fractions and Mixed Numbers – Grade 6. Also detailed solutions and full explanations are included.
  • interactive tutorial on fractions Explore fractions interactively using an applet.
  • interactive tutorial on equivalent fractions Explore equivalent fractions interactively using an applet.
  • Percent – Grade 6 Questions and Problems. Also detailed solutions and full explanations are included.
  • Interactive Tutorial on Percentage Interactive tutorial on percentages using an applet.
  • Convert Percentages, Fractions and Decimals Tutorial on how to convert percentages, fractions and decimals. Questions with detailed solutions as well as exercises with answers are presented.
  • Multiply and Simplify Monomials
  • What are Exponents in Math?; examples and questions With Detailed Solutions are included.
  • Prime and Composite Numbers; examples and questions With Detailed Solutions are included.
  • Prime Factorization; examples and questions With Detailed Solutions are included.
  • Greatest Common Factor (GCF); examples and questions With Detailed Solutions are included.
  • Lowest Common Multiple (LCM) ; examples and questions With Detailed Solutions are included.
  • How to Reduce Fractions ; examples and questions With Detailed Solutions are included.
  • How is Cross Multiplication Used to Solve Equations?; examples and questions With Detailed Solutions are included.
  • How to Solve Rate Problems?; Grade 7 questions With Detailed Solutions are included.
  • Find Ratio in Math; Grade 7 questions With Detailed Solutions are included.
  • Find Rate in Math; Grade 7 questions With Detailed Solutions are included.
  • Solve Math Proportions ; grade 7 questions With Detailed Solutions are included.
  • Grade 7 Math word Problems With Answers. Also Solutions and explanations are included.
  • Fractions and Mixed Numbers – Grade 7 Math Questions and Problems With Answers. Also solutions and explanations are included.
  • Grade 7 Math Questions on Set Theory With Answers. Also, the solutions and explanations are included.
  • Like Terms in Algebra – Grade 7 Math Questions and Problems With Answers
  • Add and Subtract Polynomials – Grade 7 Math Questions and Problems With Answers
  • Applications of Linear Equations – Problems with Answers for Grade 8 with solutions and explanations included
  • Grade 8 questions on simplifying expressions with negative exponents with solutions and explanations included
  • quadratic equations problems for Grade 8 with solutions and explanations included
  • Algebra Questions with Answers and Solutions for Grade 8
  • Multiply and Simplify Monomials
  • Grade 8 Math word Problems With Answers Also solutions and explanations are included.
  • Grade 8 Geometry Problems and Questions with Answers. Also solutions and explanations are included.
  • Grade 8 Problems and Questions on Triangles with Answers. Also solutions and explanations are included.
  • Grade 8 Questions with Answers on Angles in Triangles. Also solutions with explanations included.
  • Grade 8 Problems and Questions on Circles with Answers. Also solutions and explanations are included.
  • Math Word Problems with Answers – Grade 9; also Solutions and detailed explanations are included.
  • Algebra Questions with Answers for Grade 9. Also Solutions and detailed explanations are included.
  • Geometry Problems and Questions with Answers for Grade 9. Also Solutions and detailed explanations are included.
  • Ratio Word Problems with Answers – Grade 9. Also Solutions and detailed explanations are included.
  • Multiply and Simplify Monomials

  • Divisibility Test Calculator. An online calculator that tests whole numbers for visibility by 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12 and 13.
  • Add, Subtract and Multiply Integers Calculators. Three separate online calculators to add, subtract and multiply integers.
  • Quotient and Remainder Calculator. An online calculator that computes the quotient and remainder of the division of two whole numbers.
  • Lowest Common Multiple (lcm) Calculator. Calculate the lowest common multiple of two positive integers.
  • Greatest Common Factor (gcf) Calculator. Calculate the greatest common factor of two positive integers.
  • Prime Factors Calculator. Factor a positive integer into prime factors.
  • Fractions Addition Calculator. Add 2 or 3 fractions and reduce the final answer.
  • Multiply Fractions Calculator. Multiply 2 fractions and reduce the answer.
  • Divide Fractions Calculator. Divide 2 fractions and reduce the answer.
  • Reduce Fractions Calculator. Rewrite Fractions in reduced form.

Science Made Simple – Science projects, ideas & topics – science fair


Kids Science Projects & Experiments

Science Fair Projects

by Science Made Simple

Science Projects & Experiments

Easy home and school science projects for kids.

Science questions and answers

Plus, science articles and ideas, topics & instructions for great experiments you can do using stuff you already have around the house.

  • What is static electricity? – Electrical charge – Eliminate static shocks
  • Autumn leaves – Why do leaves change color in the fall? – Separate leaf colors with chromatography
  • Why is the sky blue? -Why is the sunset red?

MIT used parts of this article in their online classes!

Science Articles

School has started and Fall is just around the corner. Learn more about why leaves change color and where you can go for the best autumn leaf viewing.

Science questions and answers

School Science Fair Projects

Time for your school science fair project? Don’t Panic! Just follow these simple step-by-step instructions to create your winning entry!

Science questions and answers

Pick Your Topic

The first step is choosing the right science fair project idea, based on your interests and abilities.

Design & Perform Experiment

After you decide on a topic, the next steps are planning and performing your experiment.

  • The scientific method – What is it and why is it important?
  • Design a valid science experiment.
  • Tips for performing your project.
  • Collecting data safely and accurately – laboratory and experimental safety, lab notebooks and keeping accurate research records.

Analyze & Present Results

Finally, you must reach conclusion about your experiment and prepare a presentation of the results.

Science questions and answers


Answers for Atheists and Agnostics, science questions and answers.#Science #questions #and #answers


Answers for Atheists and Agnostics

  • General Introduction for Non-Believers: Part 1, Are Your Beliefs Consistent with Your Worldview?
  • Is God Real? Does Science Answer Is There a God?
  • Is Christianity True? Evidence for the Truth of the Christian Religion Can religious belief be tested?
    • Science questions and answersMissing the Obvious – Have you checked your tent lately?
  • Was Jesus God? The evidence for the deity of Jesus of Nazareth
  • Ultimate Atheist Challenge: I Can Design a Better Universe Than God Did! Are you an atheist who thinks the Christian God is a bad designer and that this site is lame? We want to publish your best design ideas that show how stupid we are. We double dare you! No, we triple dog dare you!
  • Why Does This Site Quote So Many Bible Verses? I Don’t Believe the Bible Anyway If you are an atheist intent on destroying Christianity, you must argue against the God of the Bible, not some generic god.
  • What Is Christianity? – Or what it should be.

God’s Character

Evil and Suffering

Religion is stupid

Bad Christians

Bible and Science

Bible Contradictions

Objections to Christianity

Common atheist’s myths

No Evidence of the Supernatural?

More Resources

Science questions and answers

Those who look at the universe as it is will clearly see the hand of God.

For since the creation of the world His invisible attributes, His eternal power and divine nature, have been clearly seen, being understood through what has been made, so that they are without excuse.

  • Recommended Resources-Books- Apologetics – Sources of more information.
  • More Questions: Science and the Bible Forum – A quarterly open forum where you can bring your best questions to stump us dumb Christians!
  • Apologetics Links – Yes there are other rational Christian sites all over the Web.
  • Bogus and Refuted ‘Christian’ Apologetics – Don’t believe everything you see on Christian sites.
    • What is Wrong with Pascal’s Wager?
  • New Age Spirituality – An Examination of Beliefs
  • Book Review: The Language of God: A Scientist Presents Evidence for Belief – Does Francis Collins present compelling evidence for belief in a personal God?
  • Book Review: Why We Believe What We Believe: Uncovering Our Biological Need for Meaning, Spirituality, and Truth by Andrew Newburg

    Last Modified November 26, 2014

    Science questions and answers

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Answers, Answers in Genesis, science questions and answers.#Science #questions #and #answers


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Science questions and answers

Answers in Genesis is an apologetics ministry, dedicated to helping Christians defend their faith and proclaim the gospel of Jesus Christ.


Science Made Simple – Science projects, ideas & topics – science fair


Kids Science Projects & Experiments

Science Fair Projects

by Science Made Simple

Science Projects & Experiments

Easy home and school science projects for kids.

Science questions and answers

Plus, science articles and ideas, topics & instructions for great experiments you can do using stuff you already have around the house.

  • What is static electricity? – Electrical charge – Eliminate static shocks
  • Autumn leaves – Why do leaves change color in the fall? – Separate leaf colors with chromatography
  • Why is the sky blue? -Why is the sunset red?

MIT used parts of this article in their online classes!

Science Articles

School has started and Fall is just around the corner. Learn more about why leaves change color and where you can go for the best autumn leaf viewing.

Science questions and answers

School Science Fair Projects

Time for your school science fair project? Don’t Panic! Just follow these simple step-by-step instructions to create your winning entry!

Science questions and answers

Pick Your Topic

The first step is choosing the right science fair project idea, based on your interests and abilities.

Design & Perform Experiment

After you decide on a topic, the next steps are planning and performing your experiment.

  • The scientific method – What is it and why is it important?
  • Design a valid science experiment.
  • Tips for performing your project.
  • Collecting data safely and accurately – laboratory and experimental safety, lab notebooks and keeping accurate research records.

Analyze & Present Results

Finally, you must reach conclusion about your experiment and prepare a presentation of the results.

Science questions and answers


Math – Scientific American, science questions and answers.#Science #questions #and #answers


Math 923 articles archived since 1845

Science questions and answers

Millions, Billions, Trillions: How to Make Sense of Numbers in the News

Anyone who can understand tens, hundreds and thousands can develop habits and skills to accurately navigate millions, billions and trillions. Stay with me, especially if you re math-averse

Science questions and answers

Math at the Met

Amid the museum s 2 million works of art lie numerous mathematical curiosities

Science questions and answers

The Unforgiving Math That Stops Epidemics

Not getting a flu shot could endanger more than just one s own health, herd immunity calculations show

Science questions and answers

The Tower of Hanoi

A Towering Mathematical Activity from Science Buddies

Science questions and answers

How Animals Got Their Spots and Stripes – According to Math

From the peacock tail and the eyespots of a butterfly, to the evolving camouflage of the chameleon, nature loves patterns

Science questions and answers

Food Sleuthing: Find the Missing Ingredient

A detective activity from Science Buddies

Science questions and answers

How Does Geometry Explain the Phases of the Moon?

What causes the Moon to change phases throughout the month? Why is it sometimes visible only during the day and other times only at night? What s the relationship between these times and the Moon s phases? The answer in all cases is geometry.

Science questions and answers

Mathematicians Measure Infinities, and Find They’re Equal

Proof rests on a surprising link between infinity size and the complexity of mathematical theories

Science questions and answers

Measure Earth’s Circumference with a Shadow

A geometry science project from Science Buddies

Science questions and answers

Why Is It Important to Study Math?

What s the point of learning math? Why is it so important that kids are exposed to mathematical thinking? And what do parents and teachers need to know about learning real math? Keep on reading to find out.

Science questions and answers

Mathematical Wave Puzzle Shines Light on the Physics of Electrons

A mathematician and her collaborators figured out how to predict electrons behavior by studying the mathematics of waves

Science questions and answers

Interfering Patterns

A puzzling project from Science Buddies

Science questions and answers

How Math Puzzles Help You Plan the Perfect Party

The right mix of people who already know one another, of boys and girls–Ramsey numbers may hold the answer

Science questions and answers

Mathematics World Mourns Maryam Mirzakhani, Only Woman to Win Fields Medal

The brilliant Stanford professor, killed by breast cancer at 40, worked with shapes unconstrained by the real world

Science questions and answers

What Are Mixed Fractions?

How do they work? And how can you turn them into improper fractions? Keep on reading to find out!

Science questions and answers

4 More FAQs about Percentages

How do you quickly calculate 25 percent of a number? Or 33 percent of a number? And how can you quickly calculate percentage increases?

Science questions and answers

Nil Communication: How to Send a Message without Sending Anything at All

Physicists have exploited the laws of quantum mechanics to send information without transmitting a signal. But have they, really?

Science questions and answers

Keep Rolling Luggage Upright with Physics

A team of physicists has revealed why rolling suitcases start rocking from wheel to wheel and how to avoid that frustrating phenomenon. Christopher Intagliata reports.

Science questions and answers

How a Math Formula Could Decide the Fate of Endangered U.S. Species

Feds consider conservation triage that would let some animals go extinct to save funds for protecting others

Science questions and answers

The Maths of Life and Death: Our Secret Weapon in the Fight against Disease

Mathematics is increasingly integral to biology as more detailed experiments in recent years have led to a huge influx in biological data


Free Printable General Science Trivia Questions and Answers, science questions and answers.#Science


Trivia Playing

Science questions and answers

Q: What process involves treating rubber with sulfur to harden it?

Q: What scale of zero to 14 is used to measure acidity or alkalinity?

Q: What O-word describes oxygen with molecules that have three atoms instead of two?

Q: What unit of electrical power is equal to one joule per second?

Q: What planet is closest in size to our moon?

Q: What’s the common name for a cubic decimeter?

Q: What measure of energy comes from the Latin word meaning “heat”?

Q: What’s removed from water in the process of desalination?

Q: What species Amazonian electric variety packs a 650 volt wallop?

Q: What C word defines a substance that speeds a chemical reaction without being consumed?

Q: What’s the base unit of mass in the metric system?

Q: What cooking fuel is produced by heating wood without oxygen?

Q: What’s the only metal that’s not a solid at room temperature?

Q: Which will yield the most BTUs of energy–a gallon of oil, a pound of coal or a gallon of gasoline?

A: A gallon of oil.

Q: What unit of measure do you multiply by .39 to convert it to inches?

Q: What method of underwater detection is short for “sound navigation and ranging”?

Q: What hazardous substance is euphemistically referred to as “mineral fiber”?

Q: What color does litmus turn when dipped into acid?

Q: What process involves heating an ore to obtain a metal?

Q: What’s the U. S. equivalent of 0.45 kilograms?

Q: What’s defined as the distance between a lens and its focal point?

A: It’s focal length.

Q: What energy unit is defined as the heat required to raise one kilogram of water by one degree Celsius?

Q: What founding father was knocked unconscious while attempting to electrocute a turkey?

A: Benjamin Franklin..

Q: What continent is subjected to the world’s largest ozone hole?

Q: What sea creature can have an eye measuring 16 inches across, the largest in the animal kingdom?

Q: What explosive cosmic event was seen with the naked eye in 1987, for the first time in 383 years?

Q: What three terms are represented in Newton’s second law of motion F = ma?

A: Force, mass, acceleration.

Q: How many of the nine planets have moons/

Q: What were exterminated from Harvard’s bio labs when they were found to be carrying radioactive chemicals into the walls?

Q: What type of trees yield the resin used to produce turpentine?


Answers, Answers in Genesis, science answers and questions.#Science #answers #and #questions


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Online Bookssee all

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Science answers and questions

Answers in Genesis is an apologetics ministry, dedicated to helping Christians defend their faith and proclaim the gospel of Jesus Christ.


Science Made Simple – Science projects, ideas & topics – science fair


Kids Science Projects & Experiments

Science Fair Projects

by Science Made Simple

Science Projects & Experiments

Easy home and school science projects for kids.

Science answers and questions

Plus, science articles and ideas, topics & instructions for great experiments you can do using stuff you already have around the house.

  • What is static electricity? – Electrical charge – Eliminate static shocks
  • Autumn leaves – Why do leaves change color in the fall? – Separate leaf colors with chromatography
  • Why is the sky blue? -Why is the sunset red?

MIT used parts of this article in their online classes!

Science Articles

School has started and Fall is just around the corner. Learn more about why leaves change color and where you can go for the best autumn leaf viewing.

Science answers and questions

School Science Fair Projects

Time for your school science fair project? Don’t Panic! Just follow these simple step-by-step instructions to create your winning entry!

Science answers and questions

Pick Your Topic

The first step is choosing the right science fair project idea, based on your interests and abilities.

Design & Perform Experiment

After you decide on a topic, the next steps are planning and performing your experiment.

  • The scientific method – What is it and why is it important?
  • Design a valid science experiment.
  • Tips for performing your project.
  • Collecting data safely and accurately – laboratory and experimental safety, lab notebooks and keeping accurate research records.

Analyze & Present Results

Finally, you must reach conclusion about your experiment and prepare a presentation of the results.

Science answers and questions


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