# Printables math worksheets: Free Math Worksheets — Printable & Organized by Grade

Posted on## Common Core Sheets

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March 6, 2023 — Site Update (take 2) If you hate change you can still access the old site here: v5.commoncoresheets.com.

Hey all,

So let’s try this again. 🙂

You may have noticed I’ve done a rather significant site update. I figured maybe I should explain why:

1. To make things easier for new users. I’ve heard the phrase ‘too complicated’ a lot. So I’ve tried to make things a lot more user friendly for both new users and hopefully old users alike.

2. To update a bunch of the code to make things easier for future updates.

3. To make things easier to find.

To expand on some of the updates:

**Spelling Sheet Options**

Next to the ‘words’ you’ll see a hamburger menu (). When you click this you’ll see a few new options.

1. You can change the number of words. Up to 35.

2. You can add review and/or bonus words.

3. You can paste a list of words and click ‘generate list’ and it’ll format it for Common Core Sheets.

**Worksheets**

I’ve made some huge overhauls to the worksheet page. The most noticable change is the display of worksheets. You’ll see a bigger preview now without having to hover. But what is probably more useful is the ‘problem type selector’. I’ve tagged every sheet on the site with tags regarding their problem type. From visual to word problems to numberlines. So now if you have a specific type of sheet in mind it should be MUCH easier to find. 🙂

**Worksheet Page Options**

On each of the worksheet pages you’ll see an option to switch back to an older style view as well as an option to increase the preview size. Hopefully this will make the transition a bit easer.

**Distance Learning Stats**

I’ve added some stats to help break down how students performed on an assignment. So rather than having to calculate the scores or count problems missed, now it’s done for you.

**Create-a-review/test/flash card**

I’ve completely rewritten and changed the interface. I’ve also combined all the options into one place now. Which kind of makes the different menu options redundant… but it is what it is. 🙂

**Much more**

There’s really way more things than can be brought up here. A ton of minor changes are litered throughout the site. But as always if you have any issues or suggestions please let me know. Thanks.

~Robert

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## Math Worksheets — Free & Printable by Grade

Accurate and fast calculations are the foundation of solid math skills.

Want to practice and master the math fundamentals in first grade through eighth grade?

Welcome to Beestar’s award-winning **printable math worksheets in PDF!**

Well-designed for elementary and middle school, thousands of Beestar’s high quality worksheets

allow students to practice calculations on paper that

will lay a solid math foundation.

Parents can download and print a variety of math

worksheets by grade levels. They include grades 1 through 8 on **addition**, **subtraction**,

**multiplication**, **division**, **fraction**, **exponentiation**, and **many more** categories.

These fundamental calculations are the cornerstones for students to build the math skills they

need for life. Each category has a number of worksheet groups that are organized from simple operations

to more challenging ones.

Every group has about 12 worksheets in **PDF** files.

Each PDF file contains a **question page** and an **answer key page**.

You always check the answers using the answer key page to calculate the accuracy percentage.

Each worksheet has a **«Target»**. It sets the target time and accuracy for the student to practice

toward mastery.

To lay a solid foundation, parents are encouraged to print these well-designed

worksheets in order every week in addition to our online weekly word problems.

Practice is essential for students to consolidate what they

learn in school and master basic math skills.

**How to use Beestar Printable Worksheets**

1. Click on one of the grade level links at the top and find the category of worksheets you want to practice.

2. Download the PDF worksheets to your computer, open them using **Acrobat Reader**, and print the worksheets.

**Do not print directly from your browser**. That may result in poor font quality.

3. Find a quiet, uninterrupted place and use a stop watch for your student to

work on the problems as fast as he/she can. After solving the last problem,

fill out the time, use the answer key page to grade the sheet, and calculate the accuracy percentage.

At the end of each worksheet, the parent should review and explain the errors the student made

until he/she fully understands them before working on the next sheet.

4. If your student consistently reaches both the time and accuracy target, move on to the next group. Otherwise, stay

in this group, or even move to a simpler group. Note that if your student often reaches the accuracy target, but not

the time target, you do need to guide your student to calculate faster in order to move on.

Number Sense

Transformation

Geometry

Beestar worksheets have several layouts, like the ones shown above. They build skills from varying angles and

make the practices interesting.

Beestar printable worksheets are completely **FREE for Non-Commercial Use**.

To open the PDF files, you need to have Adobe Reader installed in your computer.

If you do not, please click

to download and install the supported versions of Adobe Reader.

This is our preliminary release of printable worksheets. More categories will be added gradually over time. If you find any

issues or have any suggestions, please contact

Your feedback is highly appreciated.

Enjoy!

The Beestar Team

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## The beauty of mathematics in A4 paper / Sudo Null IT News0001

Many things that are convenient for us are the result of someone’s calculations. Thanks to the people who are busy with these calculations, most can easily forget that many important aspects of our lives depend on numbers and their properties. For the start of our __ flagship Data Science course __, we remind you of the mathematical beauty of the A4 paper size.

If you’re not from the USA and haven’t been truant for most of your studies and work, you’ve probably dealt with the A4 format. Have you ever wondered why this format has such a size? Let’s dust off our high school math textbook and figure it all out.

I’ll tell you the paper size in case you don’t know it. This is exactly 210 by 297 mm. You can’t take my word for it. Check. I’ll wait. If you don’t have a single A4 sheet lying around in your house, you clean the house much more thoroughly than I do … It’s convenient to measure such a sheet with a regular 30-centimeter ruler, which is likely to be found in your desk drawer or not far from it. Now only one question remains:

And after that we often ask: * “Are you serious? 297 millimeters? Why not 300? * I know this is sincere bewilderment. These words still ring in my ears from that school drawing lesson, in which one of my comrades complained in precisely this form about the perversity of our world. I don’t remember if he received an answer, but I’m afraid that no one shared his pain on this matter. Let’s spend the rest of the article consoling this boy’s suffering.

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Truly, anyone who has ever wanted to measure out half a sheet of paper has experienced a slight indignation. No wonder: you need to measure 148. 5 mm, and there are no half-millimeter divisions on the ruler.

I suggest you take a rectangular sheet of paper, * different from * A4 sheet. After all, no one bothers you to tear off some A4 paper, and then carefully fold it into a rectangle. Taking a rectangle other than A4, try to fold it exactly in half [top to bottom]. You will see that now the sheet of paper is half the size and a completely different shape. Perhaps you started with a «nearly square» rectangle and now it’s «long and thin» or vice versa.

Now do this with A4 paper. You seem to have already figured out what’s going to happen. You will receive A5 format. It is half of the A4 format (of course: you folded it in half). Moreover, the form remains the same. Strictly speaking, the form remained * is similar to * , the aspect ratio is preserved. If you give even a little thought to this, you will be amazed. After all, usually rectangles behave like * not *.

Perhaps this «accident» was one of the best ideas of the 18th century. But I’ll give an example from our days: teachers have been using this for many years to literally halve their costs for photocopying materials. Want two copies per sheet? Easy — they fit perfectly there! But it is worth taking any other format (at least, 8.5 x 11 inches, which North Americans call “letter size”) — and you will see how a lot of paper goes into a completely unnecessary gap between two pages.

The first known discussion on this topic dates back to 1786 — as well as a letter from the German academician Georg Christoph Lichtenberg to his no less famous compatriot Johann Beckmann ^{ [1] } .

However, there are suggestions that the corresponding problem was given to students in exams long before that ^{ [2] } .

However, it wasn’t until the 20th century that Germany—and most of the world following it—embodied this idea in a standard. The international standard for paper size received the number ISO 216 ^{ [3] }

In fact, there is only * one ratio * of the sides of a rectangle that gives the same shape when folded in half. What do you think? No, this is not the «golden section», but also a very interesting ratio. Later I will write how it was calculated.

Let’s build a regular rectangle with aspect ratio (long to short):

Now draw a half-fold line to get a rectangle with aspect ratio (long to short).

If we want the two ratios to be the same for all the good things mentioned, we should end up with equal fractions

(or , negative ratios will be discussed another time).

Only one ratio has this important property. This is the square root of 2, which, as you know (and in this case, ironically), * is not a fraction of * . Therefore, the dimensions of the paper, in whatever quantities you measure them, will not be integer and, from the point of view of many people, «beautiful». Since no pair of numbers will give a ratio, one has to resort to approximate values.

Therefore, we must (and could) give up the dream of a «beautiful» length of the sides, which does not prevent us from getting «beautiful» areas. In fact, the modern international «A» sizing system starts with A0 paper, with sides in the correct ratio, but with an area of exactly 1 m ^{ 2 } , or as close to it as possible with side lengths in whole millimeters (1189 x 841 mm, to be exact). Now fold this sheet in half and cut it until it fits in the folder and is comfortable to work with. You will get A4 size, hence the «4» in the title.

By the way, if you’re new to all of this, but remember something from high school math, you might like another way of understanding it. Remember «area scale factors» and «length scale factors»? The area scale factor is identically equal to the square of the length scale factor. So, if you want the area scale factor to be (or ), the length scale factor should be (or ). Of course you remember.

Like it or not, irrational numbers are useful. Sounds sobering. And for some, it’s depressing. Let us recall at least the myth about what the Pythagoreans did with Hippasus, who called the expression irrational). But once we overcome the fear of irrational values, we can reap the rewards. The weight of the paper is now easy to calculate because it is proportional to the area: a paper of 80 grams per (square) meter of A0 size weighs exactly 80 g.0130 4 , i.e. 16 times].

The width of the liner shaft is increased by a factor of . Thus, the next liner in the set will fit the next paper size. It’s all so beautifully set up.

Drawing pens with size marking (1.4 magnification). Wikimedia Commons

What conclusion can be drawn from this? Many things that are convenient for us are the result of someone’s calculations. Thanks to them, we can now safely forget that many important aspects of our lives depend on numbers and their properties. Thank you for not forgetting someone.

Yes, we can safely forget about all this. But I ask you: remember this when someone again decides to measure half a sheet, and you again hear the voice crying in the desert: «Well, ** why ** 297?» Now you know what to answer.