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1. How To Read A Ruler Game
2. Interactive Ruler Games Online
3. Fat Ruler Game
4. New Ruler Game

Measurement: 17 StudyJams! Interactive Math Activities. Students will have fun learning about everything from telling time and using a calendar to finding the area of irregular figures and adding — and subtracting — measurements in these 17 interactive measurement activities. In these interactive measurement games, your child will get familiar with common measurement tools like a ruler and measuring tape. By using them in a visual and hands-on way, your child will develop a deeper understanding of what units like feet, inches, and centemeters look like, making it easier to mentally estimate accurately in day-to-day.

If you want to measure the actual size of a small object in inches or centimeters and you don’t have a real ruler at hand, this virtual on-screen online ruler will help you. You can make the necessary measurements on any device that allows you to browse the web. This online app works on both computers with a large screen (laptops, PCs, monoblocks or smart TVs) and mobile gadgets (phones, phablets, tablets, e-ink readers). The maximum length of the ruler (fully visible when displayed on a sufficient screen) is 20 inches, or 50 centimeters (500 millimeters) for the metric scale option.

💁 How to use this online ruler

For the ruler to display correctly (i.e., in proportion to the actual physical size), it must be calibrated. You can calibrate it in one of the following two ways:

1. 📱 💻 📺 Set screen diagonal

   This is the most reliable and easy way. Specify the size of the diagonal of your screen in inches ('). Enter this value in the input field located in the lower left corner of the ruler image. Then click the or press the button on the keyboard. You can also select the size from the drop-down list (which opens when you click the button , which is adjacent to the numeric input field). This presents many of the most common options among users.

   The diagonal of the current device's display, automatically detected by the browser, is . In most practical cases, this calculated value does not correspond to the real extent and is instead proposed for consideration as an approximate one for consideration purposes. This circumstance is caused by the existing constraint imposed by the specifics of the interaction of modern web browsers (none of which has the functionality of providing web applications with access to information about the display’s physical parameters) with operating systems. Depending on the type and class of device, the probable error varies in a range of up to several centimeters, or 1 inch. Accordingly, to the best possible, the reliability of the indications of the uncalibrated online ruler will differ from the standard. Nevertheless, the deviation may be minimal. In this case, the initially visualized ruler will be suitable for measurements that do not require high accuracy (especially when measuring small objects).

   If you do not know the exact value of your screen’s diagonal, you can find it in the technical documentation attached to the device, or simply search the Internet for the model name.
   If for some reason this information is difficult to obtain and you have a standard plastic card with you, you can use the second method. ↓

2. 💳 Fit to the width of a plastic card

   You can also calibrate the on-screen ruler using a bank payment card. Its standard width is 3.37 inches (3 3⁄8 inches), or 85.6 mm (8 centimeters, 56 millimeters) for the metric measurement. For your convenience, the corresponding sign is plotted under the scale of the ruler. Change the diagonal value in the input field until the edge of the plastic card attached (oriented horizontally) to the screen coincides with the black stroke to the left of the icon.

   Using this method in addition to the first method will allow you to determine the size of the display diagonal. To avoid the known inconvenience associated with selecting a number by successive manual input, bring it to the desired value using the vertical scroll arrows that appear on the right side of the input field when you hover the cursor over it (when using the virtual ruler on a PC).

📏🔧 How the ruler’s actual size is achieved

Based on the browser-defined screen height and width, the script:

How To Read A Ruler Game

1. calculates the diagonal in pixels (it does not matter if the number of virtual pixels on which the browser operates is the actual physical resolution of the display);
2. calculates the PPI (pixels per inch) of the screen: the resulting diagonally expressed diagonal is divided by the user's diagonal value in inches;
3. determines the length of the ruler in pixels, the corresponding real 50 centimeters: the PPI value is multiplied by expressed in inches 50 centimeters. For inch scale, it is simply multiplied by 20.

⚠️ ️Note

Keep in mind that the above instructions for setting up the ruler are valid only when the following conditions apply:

• Standard page scale adjustment in your browser (this is true for desktop browsers). When the scale is zoomed in/out, the ruler scale will shrink/stretch (along with other elements on the page that are subject to transformation during scaling). This will lead to a significant distortion of the online ruler readings. If you often, for example, change the font sizes on sites, be sure to set the scale to 100%;
• JavaScript is enabled;
• The ability to download images is enabled.

Learning measuring skills needs lots of practical experience. These free online length games and activities will help you to learn skills such as comparing length and height and measuring using millimetres, metres and kilometres. There are also games on volume and capacity, weight and temperature, as well as some very useful interactive tools.

Click on any of the pictures below to start a measurement game. Games will open in a new window:

Units of Measurement Use your knowledge of units of measurement to help Jack the brilliant builder finish the job properly. Jack is looking at different types of instruments which measure different types of things, it is up to you to tell Jack what kind of weighing/capacity measuring device uses which unit. What do we use to measure the capacity of water in a jug, or the length of a block of wood? Use your expertise and help Jack match the correct terms!

Reading Mass Jack needs your help again. This time, he needs to measure the weight of parcels. Can you help him read the scales and give him the correct unit of measurement so he can send his parcels off?

Reading Volume and Capacity Now Jack needs assistance with reading volume and understanding capacity. There are jugs filled with water, but Jack cannot read how much water is in there. Help Jack, and don't be afraid to ask him to help with the difficult spellings!

Reading Length Use your knowledge of units of measurement to help Jack the brilliant builder finish the job properly. Finally, Jack needs your help for the last time in measuring the length of an assortment of pencils, using a ruler. Using centimetres and reading from the ruler, can you give Jack the correct answer?

Fill the Box In this fun activity, you are the boss. Have great fun playing around with the box net, you can select the width, depth and height of the box, then use the small, medium and large bricks to fill the box up. Click on the sides of the box to make them flap up and see if the cubes you've used fill the entire capacity of the box. You can make the box as big or small as you like. This is a great spatial/visual activity that is strangely addictive and useful for understanding and visualising capacity, making it a great deal easier to learn.

Isometric Drawing Tool The isometric drawing tool is similar to the Fill the Box activity, but the fun is practically limitless. Use this interactive tool to create dynamic drawings on isometric dot paper. Draw figures using edges, faces, or cubes. You can shift, rotate, colour, decompose, and view in 2d or 3d. Start by clicking on the cube along the left side; then, place cubes on the grid where you would like them. This tool is indispensable for getting to grips with the spatial and visual aspects of capacity. Have fun whilst you draw, create and learn!

Scale Reader Use the scale reader to practise your understanding of different weights. Choose you level of difficulty at the beginning, where you can choose maximum weights and choices of whether to make the challenge a little more difficult by including decimal places and/or fractions. Type the correct readings into the box to succeed!

Weigh It Up In this game you have the choice of brushing up on your skills before you play by entering the practise area. In this game there are four different shapes which all represent different weights, which you can play around with before you start the game for real. Once you feel you are ready, the game begins with an equivalency diagram, for example, one cube may be equivalent to three spheres. The left scale will then be filled with perhaps two cubes, how many spheres will it take to balance the scales? A great game for all ages.

Harbour Measurements The boat will drop off three parcels at the harbour and it's your job to find the right one. A weight and measurement will be given for the correct parcel, it is then up to you to drag and drop the parcels on to the scales, which will then give you a weight and length reading. Is it the correct one? Click the tick if the measurements match what was asked for or click the cross to get rid of it and try again. There are three levels of difficulty to choose from, good luck!

Bamzooki! In this excellent, expansive and exciting BBC games of the invading zooks, you must help stop the world being taken over by measuring the invading creatures and. In this game, put your knowledge of metric and imperial measurements, weight and length, comparative skills (which is longest/heaviest?) and more. You even get to build your own race track. There's an absolute ton of stuff to learn and enjoy here, with a great story to go along with it.

Alien Cookbook A fantastic, varied and useful series of mini-games. Help Hutch bake a cake in these three different activities. First click on the game you'd like to play. Read the ingredients, then click and drag the right number of eggs into the mixing bowl. After mixing the eggs, click on the right measure when the arrow points to an ingredient on the recipe, then calculate how much more of an ingredient you need to add to the bowl. Click on the mix button to check your answers.

Poddle Weigh-In Hacker has removed the numbers from all of the Poddles of Poddleville! Can you use the scales to get things back to normal? The Poddles all need numbers, but they don't have to do with how big or small they are, you must use your maths skills to work out the problems and fix the Poddle problems!

Pour to Score By only pouring liquid from the large container to the small and sometimes emptying and refilling the containers, you must find 1 quart, all the way up to 8 quarts in this volume puzzle. Each time either of the containers has a volume you need, drag it onto the correct number on the right.

Fish Catch It is time to move these fish to their new homes. Small fish move to the small fish tank. Big fish move to the big fish tank. Which fish move where? Catch and measure each fish to find out!

Estimate and Measure Welcome to Estimate and Measure with Chef Pierre. Listen and learn with Chef Pierre and friends to understand the difference between estimation and measure and why they are useful. This is a fun activity that is really very informative. Have fun!

Interactive Ruler Games Online

Dress the Bear In this game it is up to you to decide how to dress Mr Bear to prepare him for the outside weather. You are given a thermometer to look at, which you can choose to look at in Celsius or Fahrenheit. You must decide if the reading on the temperature means that the weather is hot, cold or anywhere in between. You must then decide how to dress Mr Bear so he is not too hot or cold.

Interactive Thermometer This is not really a game, but this is a really useful interactive tool which can help to cement the numbers on the thermometer that relate to which types of weather. This tool might help with the above activity, where you must dress the bear according the the temperature reading/weather!

Fat Ruler Game

New Ruler Game

At the Post Office Click and drag the ruler to measure the length of the parcels and take the reading, then click on the scales to weigh the parcel and take another reading. You must then look at the postage rates chart to choose the correct stamp for the parcel, once you've chosen, click on post to send the package! A great combination of measuring units in this fun activity.

Measure It! Choose from many options at the start as to what type and difficulty you'd like to test your knowledge skills in, from easy centimetres to 'super brain' inches. Then play the quiz, measuring the red bar at the top of the screen. Make sure you read the ruler carefully as the difficulty increases!